/*
 * #%L
 * HAPI FHIR JPA Model
 * %%
 * Copyright (C) 2014 - 2024 Smile CDR, Inc.
 * %%
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * #L%
 */
package ca.uhn.fhir.jpa.model.entity;

import ca.uhn.fhir.context.FhirContext;
import ca.uhn.fhir.jpa.model.cross.IBasePersistedResource;
import ca.uhn.fhir.jpa.model.dao.JpaPid;
import ca.uhn.fhir.jpa.model.search.ExtendedHSearchIndexData;
import ca.uhn.fhir.jpa.model.search.ResourceTableRoutingBinder;
import ca.uhn.fhir.jpa.model.search.SearchParamTextPropertyBinder;
import ca.uhn.fhir.model.primitive.IdDt;
import ca.uhn.fhir.rest.api.Constants;
import com.google.common.annotations.VisibleForTesting;
import jakarta.persistence.CascadeType;
import jakarta.persistence.Column;
import jakarta.persistence.Entity;
import jakarta.persistence.FetchType;
import jakarta.persistence.GeneratedValue;
import jakarta.persistence.GenerationType;
import jakarta.persistence.Id;
import jakarta.persistence.Index;
import jakarta.persistence.NamedEntityGraph;
import jakarta.persistence.OneToMany;
import jakarta.persistence.PostPersist;
import jakarta.persistence.PrePersist;
import jakarta.persistence.PreUpdate;
import jakarta.persistence.Table;
import jakarta.persistence.Transient;
import jakarta.persistence.UniqueConstraint;
import jakarta.persistence.Version;
import org.apache.commons.lang3.builder.ToStringBuilder;
import org.apache.commons.lang3.builder.ToStringStyle;
import org.hibernate.Session;
import org.hibernate.annotations.GenerationTime;
import org.hibernate.annotations.GeneratorType;
import org.hibernate.annotations.GenericGenerator;
import org.hibernate.annotations.OptimisticLock;
import org.hibernate.search.engine.backend.types.Projectable;
import org.hibernate.search.engine.backend.types.Searchable;
import org.hibernate.search.mapper.pojo.bridge.mapping.annotation.PropertyBinderRef;
import org.hibernate.search.mapper.pojo.bridge.mapping.annotation.RoutingBinderRef;
import org.hibernate.search.mapper.pojo.mapping.definition.annotation.FullTextField;
import org.hibernate.search.mapper.pojo.mapping.definition.annotation.GenericField;
import org.hibernate.search.mapper.pojo.mapping.definition.annotation.Indexed;
import org.hibernate.search.mapper.pojo.mapping.definition.annotation.IndexingDependency;
import org.hibernate.search.mapper.pojo.mapping.definition.annotation.ObjectPath;
import org.hibernate.search.mapper.pojo.mapping.definition.annotation.PropertyBinding;
import org.hibernate.search.mapper.pojo.mapping.definition.annotation.PropertyValue;
import org.hibernate.tuple.ValueGenerator;
import org.hl7.fhir.instance.model.api.IIdType;
import org.hl7.fhir.r4.model.InstantType;

import java.io.Serializable;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashSet;
import java.util.Objects;
import java.util.Set;
import java.util.stream.Collectors;

import static ca.uhn.fhir.jpa.model.entity.ResourceTable.IDX_RES_TYPE_FHIR_ID;

@Indexed(routingBinder = @RoutingBinderRef(type = ResourceTableRoutingBinder.class))
@Entity
@Table(
                name = ResourceTable.HFJ_RESOURCE,
                uniqueConstraints = {
                        @UniqueConstraint(
                                        name = IDX_RES_TYPE_FHIR_ID,
                                        columnNames = {"RES_TYPE", "FHIR_ID"})
                },
                indexes = {
                        // Do not reuse previously used index name: IDX_INDEXSTATUS, IDX_RES_TYPE
                        @Index(name = "IDX_RES_DATE", columnList = BaseHasResource.RES_UPDATED),
                        @Index(name = "IDX_RES_FHIR_ID", columnList = "FHIR_ID"),
                        @Index(
                                        name = "IDX_RES_TYPE_DEL_UPDATED",
                                        columnList = "RES_TYPE,RES_DELETED_AT,RES_UPDATED,PARTITION_ID,RES_ID"),
                        @Index(name = "IDX_RES_RESID_UPDATED", columnList = "RES_ID, RES_UPDATED, PARTITION_ID")
                })
@NamedEntityGraph(name = "Resource.noJoins")
public class ResourceTable extends BaseHasResource implements Serializable, IBasePersistedResource<JpaPid> {
        public static final int RESTYPE_LEN = 40;
        public static final String HFJ_RESOURCE = "HFJ_RESOURCE";
        public static final String RES_TYPE = "RES_TYPE";
        public static final String FHIR_ID = "FHIR_ID";
        private static final int MAX_LANGUAGE_LENGTH = 20;
        private static final long serialVersionUID = 1L;
        public static final int MAX_FORCED_ID_LENGTH = 100;
        public static final String IDX_RES_TYPE_FHIR_ID = "IDX_RES_TYPE_FHIR_ID";

        /**
         * Holds the narrative text only - Used for Fulltext searching but not directly stored in the DB
         * Note the extra config needed in HS6 for indexing transient props:
         * https://docs.jboss.org/hibernate/search/6.0/migration/html_single/#indexed-transient-requires-configuration
         * <p>
         * Note that we depend on `myVersion` updated for this field to be indexed.
         */
        @Transient
        @FullTextField(
                        name = "myContentText",
                        searchable = Searchable.YES,
                        projectable = Projectable.YES,
                        analyzer = "standardAnalyzer")
        @OptimisticLock(excluded = true)
        @IndexingDependency(derivedFrom = @ObjectPath(@PropertyValue(propertyName = "myVersion")))
        private String myContentText;

        @Column(name = "HASH_SHA256", length = 64, nullable = true)
        @OptimisticLock(excluded = true)
        private String myHashSha256;

        @Column(name = "SP_HAS_LINKS", nullable = false)
        @OptimisticLock(excluded = true)
        private boolean myHasLinks;

        @Id
        @GenericGenerator(name = "SEQ_RESOURCE_ID", type = ca.uhn.fhir.jpa.model.dialect.HapiSequenceStyleGenerator.class)
        @GeneratedValue(strategy = GenerationType.AUTO, generator = "SEQ_RESOURCE_ID")
        @Column(name = "RES_ID")
        @GenericField(projectable = Projectable.YES)
        private Long myId;

        @Column(name = "SP_INDEX_STATUS", nullable = true)
        @OptimisticLock(excluded = true)
        private Long myIndexStatus;

        // TODO: Removed in 5.5.0. Drop in a future release.
        @Column(name = "RES_LANGUAGE", length = MAX_LANGUAGE_LENGTH, nullable = true)
        @OptimisticLock(excluded = true)
        private String myLanguage;

        /**
         * Holds the narrative text only - Used for Fulltext searching but not directly stored in the DB
         */
        @Transient()
        @FullTextField(
                        name = "myNarrativeText",
                        searchable = Searchable.YES,
                        projectable = Projectable.YES,
                        analyzer = "standardAnalyzer")
        @OptimisticLock(excluded = true)
        @IndexingDependency(derivedFrom = @ObjectPath(@PropertyValue(propertyName = "myVersion")))
        private String myNarrativeText;

        @Transient
        @IndexingDependency(derivedFrom = @ObjectPath(@PropertyValue(propertyName = "myVersion")))
        @PropertyBinding(binder = @PropertyBinderRef(type = SearchParamTextPropertyBinder.class))
        private ExtendedHSearchIndexData myLuceneIndexData;

        @OneToMany(
                        mappedBy = "myResource",
                        cascade = {},
                        fetch = FetchType.LAZY,
                        orphanRemoval = false)
        @OptimisticLock(excluded = true)
        private Collection<ResourceIndexedSearchParamCoords> myParamsCoords;

        @Column(name = "SP_COORDS_PRESENT", nullable = false)
        @OptimisticLock(excluded = true)
        private boolean myParamsCoordsPopulated;

        @OneToMany(
                        mappedBy = "myResource",
                        cascade = {},
                        fetch = FetchType.LAZY,
                        orphanRemoval = false)
        @OptimisticLock(excluded = true)
        private Collection<ResourceIndexedSearchParamDate> myParamsDate;

        @Column(name = "SP_DATE_PRESENT", nullable = false)
        @OptimisticLock(excluded = true)
        private boolean myParamsDatePopulated;

        @OptimisticLock(excluded = true)
        @OneToMany(
                        mappedBy = "myResource",
                        cascade = {},
                        fetch = FetchType.LAZY,
                        orphanRemoval = false)
        private Collection<ResourceIndexedSearchParamNumber> myParamsNumber;

        @Column(name = "SP_NUMBER_PRESENT", nullable = false)
        @OptimisticLock(excluded = true)
        private boolean myParamsNumberPopulated;

        @OneToMany(
                        mappedBy = "myResource",
                        cascade = {},
                        fetch = FetchType.LAZY,
                        orphanRemoval = false)
        @OptimisticLock(excluded = true)
        private Collection<ResourceIndexedSearchParamQuantity> myParamsQuantity;

        @Column(name = "SP_QUANTITY_PRESENT", nullable = false)
        @OptimisticLock(excluded = true)
        private boolean myParamsQuantityPopulated;

        /**
         * Added to support UCUM conversion
         * since 5.3.0
         */
        @OneToMany(
                        mappedBy = "myResource",
                        cascade = {},
                        fetch = FetchType.LAZY,
                        orphanRemoval = false)
        @OptimisticLock(excluded = true)
        private Collection<ResourceIndexedSearchParamQuantityNormalized> myParamsQuantityNormalized;

        /**
         * Added to support UCUM conversion,
         * NOTE : use Boolean class instead of boolean primitive, in order to set the existing rows to null
         * since 5.3.0
         */
        @Column(name = "SP_QUANTITY_NRML_PRESENT", nullable = false)
        @OptimisticLock(excluded = true)
        private Boolean myParamsQuantityNormalizedPopulated = Boolean.FALSE;

        @OneToMany(
                        mappedBy = "myResource",
                        cascade = {},
                        fetch = FetchType.LAZY,
                        orphanRemoval = false)
        @OptimisticLock(excluded = true)
        private Collection<ResourceIndexedSearchParamString> myParamsString;

        @Column(name = "SP_STRING_PRESENT", nullable = false)
        @OptimisticLock(excluded = true)
        private boolean myParamsStringPopulated;

        @OneToMany(
                        mappedBy = "myResource",
                        cascade = {},
                        fetch = FetchType.LAZY,
                        orphanRemoval = false)
        @OptimisticLock(excluded = true)
        private Collection<ResourceIndexedSearchParamToken> myParamsToken;

        @Column(name = "SP_TOKEN_PRESENT", nullable = false)
        @OptimisticLock(excluded = true)
        private boolean myParamsTokenPopulated;

        @OneToMany(
                        mappedBy = "myResource",
                        cascade = {},
                        fetch = FetchType.LAZY,
                        orphanRemoval = false)
        @OptimisticLock(excluded = true)
        private Collection<ResourceIndexedSearchParamUri> myParamsUri;

        @Column(name = "SP_URI_PRESENT", nullable = false)
        @OptimisticLock(excluded = true)
        private boolean myParamsUriPopulated;

        // Added in 3.0.0 - Should make this a primitive Boolean at some point
        @OptimisticLock(excluded = true)
        @Column(name = "SP_CMPSTR_UNIQ_PRESENT")
        private Boolean myParamsComboStringUniquePresent = false;

        @OneToMany(
                        mappedBy = "myResource",
                        cascade = {},
                        fetch = FetchType.LAZY,
                        orphanRemoval = false)
        @OptimisticLock(excluded = true)
        private Collection<ResourceIndexedComboStringUnique> myParamsComboStringUnique;

        // Added in 5.5.0 - Should make this a primitive Boolean at some point
        @OptimisticLock(excluded = true)
        @Column(name = "SP_CMPTOKS_PRESENT")
        private Boolean myParamsComboTokensNonUniquePresent = false;

        @OneToMany(
                        mappedBy = "myResource",
                        cascade = {},
                        fetch = FetchType.LAZY,
                        orphanRemoval = false)
        @OptimisticLock(excluded = true)
        private Collection<ResourceIndexedComboTokenNonUnique> myParamsComboTokensNonUnique;

        @OneToMany(
                        mappedBy = "mySourceResource",
                        cascade = {},
                        fetch = FetchType.LAZY,
                        orphanRemoval = false)
        @OptimisticLock(excluded = true)
        private Collection<ResourceLink> myResourceLinks;

        /**
         * This is a clone of {@link #myResourceLinks} but without the hibernate annotations.
         * Before we persist we copy the contents of {@link #myResourceLinks} into this field. We
         * have this separate because that way we can only populate this field if
         * {@link #myHasLinks} is true, meaning that there are actually resource links present
         * right now. This avoids Hibernate Search triggering a select on the resource link
         * table.
         * <p>
         * This field is used by FulltextSearchSvcImpl
         * <p>
         * You can test that any changes don't cause extra queries by running
         * FhirResourceDaoR4QueryCountTest
         */
        @FullTextField
        @Transient
        @IndexingDependency(derivedFrom = @ObjectPath(@PropertyValue(propertyName = "myResourceLinks")))
        private String myResourceLinksField;

        @OneToMany(
                        mappedBy = "myTargetResource",
                        cascade = {},
                        fetch = FetchType.LAZY,
                        orphanRemoval = false)
        @OptimisticLock(excluded = true)
        private Collection<ResourceLink> myResourceLinksAsTarget;

        @Column(name = RES_TYPE, length = RESTYPE_LEN, nullable = false)
        @FullTextField
        @OptimisticLock(excluded = true)
        private String myResourceType;

        @OneToMany(mappedBy = "myResource", cascade = CascadeType.ALL, fetch = FetchType.LAZY, orphanRemoval = true)
        @OptimisticLock(excluded = true)
        private Collection<SearchParamPresentEntity> mySearchParamPresents;

        @OneToMany(mappedBy = "myResource", cascade = CascadeType.ALL, fetch = FetchType.LAZY, orphanRemoval = true)
        @OptimisticLock(excluded = true)
        private Set<ResourceTag> myTags;

        @Transient
        private transient boolean myUnchangedInCurrentOperation;

        /**
         * The id of the Resource.
         * Will contain either the client-assigned id, or the sequence value.
         * Will be null during insert time until the first read.
         */
        @Column(
                        name = FHIR_ID,
                        // [A-Za-z0-9\-\.]{1,64} - https://www.hl7.org/fhir/datatypes.html#id
                        length = 64,
                        // we never update this after insert, and the Generator will otherwise "dirty" the object.
                        updatable = false)

        // inject the pk for server-assigned sequence ids.
        @GeneratorType(when = GenerationTime.INSERT, type = FhirIdGenerator.class)
        // Make sure the generator doesn't bump the history version.
        @OptimisticLock(excluded = true)
        private String myFhirId;

        /**
         * Is there a corresponding row in {@link ResourceSearchUrlEntity} for
         * this row.
         * TODO: Added in 6.6.0 - Should make this a primitive boolean at some point
         */
        @OptimisticLock(excluded = true)
        @Column(name = "SEARCH_URL_PRESENT", nullable = true)
        private Boolean mySearchUrlPresent = false;

        @Version
        @Column(name = "RES_VER", nullable = false)
        private long myVersion;

        @OneToMany(mappedBy = "myResourceTable", fetch = FetchType.LAZY)
        private Collection<ResourceHistoryProvenanceEntity> myProvenance;

        @Transient
        private transient ResourceHistoryTable myCurrentVersionEntity;

        @Transient
        private transient boolean myVersionUpdatedInCurrentTransaction;

        @Transient
        private volatile String myCreatedByMatchUrl;

        @Transient
        private volatile String myUpdatedByMatchUrl;

        /**
         * Constructor
         */
        public ResourceTable() {
                super();
        }

        /**
         * Setting this flag is an indication that we're making changes and the version number will
         * be incremented in the current transaction. When this is set, calls to {@link #getVersion()}
         * will be incremented by one.
         * This flag is cleared in {@link #postPersist()} since at that time the new version number
         * should be reflected.
         */
        public void markVersionUpdatedInCurrentTransaction() {
                if (!myVersionUpdatedInCurrentTransaction) {
                        /*
                         * Note that modifying this number doesn't actually directly affect what
                         * gets stored in the database since this is a @Version field and the
                         * value is therefore managed by Hibernate. So in other words, if the
                         * row in the database is updated, it doesn't matter what we set
                         * this field to, hibernate will increment it by one. However, we still
                         * increment it for two reasons:
                         * 1. The value gets used for the version attribute in the ResourceHistoryTable
                         *    entity we create for each new version.
                         * 2. For updates to existing resources, there may actually not be any other
                         *    changes to this entity so incrementing this is a signal to
                         *    Hibernate that something changed and we need to force an entity
                         *    update.
                         */
                        myVersion++;
                        this.myVersionUpdatedInCurrentTransaction = true;
                }
        }

        @PostPersist
        public void postPersist() {
                myVersionUpdatedInCurrentTransaction = false;
        }

        @Override
        public ResourceTag addTag(TagDefinition theTag) {
                for (ResourceTag next : getTags()) {
                        if (next.getTag().equals(theTag)) {
                                return next;
                        }
                }
                ResourceTag tag = new ResourceTag(this, theTag, getPartitionId());
                getTags().add(tag);
                return tag;
        }

        public String getHashSha256() {
                return myHashSha256;
        }

        public void setHashSha256(String theHashSha256) {
                myHashSha256 = theHashSha256;
        }

        @Override
        public Long getId() {
                return myId;
        }

        public void setId(Long theId) {
                myId = theId;
        }

        public Long getIndexStatus() {
                return myIndexStatus;
        }

        public void setIndexStatus(Long theIndexStatus) {
                myIndexStatus = theIndexStatus;
        }

        public Collection<ResourceIndexedComboStringUnique> getParamsComboStringUnique() {
                if (myParamsComboStringUnique == null) {
                        myParamsComboStringUnique = new ArrayList<>();
                }
                return myParamsComboStringUnique;
        }

        public Collection<ResourceIndexedComboTokenNonUnique> getmyParamsComboTokensNonUnique() {
                if (myParamsComboTokensNonUnique == null) {
                        myParamsComboTokensNonUnique = new ArrayList<>();
                }
                return myParamsComboTokensNonUnique;
        }

        public Collection<ResourceIndexedSearchParamCoords> getParamsCoords() {
                if (myParamsCoords == null) {
                        myParamsCoords = new ArrayList<>();
                }
                return myParamsCoords;
        }

        public void setParamsCoords(Collection<ResourceIndexedSearchParamCoords> theParamsCoords) {
                if (!isParamsTokenPopulated() && theParamsCoords.isEmpty()) {
                        return;
                }
                getParamsCoords().clear();
                getParamsCoords().addAll(theParamsCoords);
        }

        public Collection<ResourceIndexedSearchParamDate> getParamsDate() {
                if (myParamsDate == null) {
                        myParamsDate = new ArrayList<>();
                }
                return myParamsDate;
        }

        public void setParamsDate(Collection<ResourceIndexedSearchParamDate> theParamsDate) {
                if (!isParamsDatePopulated() && theParamsDate.isEmpty()) {
                        return;
                }
                getParamsDate().clear();
                getParamsDate().addAll(theParamsDate);
        }

        public Collection<ResourceIndexedSearchParamNumber> getParamsNumber() {
                if (myParamsNumber == null) {
                        myParamsNumber = new ArrayList<>();
                }
                return myParamsNumber;
        }

        public void setParamsNumber(Collection<ResourceIndexedSearchParamNumber> theNumberParams) {
                if (!isParamsNumberPopulated() && theNumberParams.isEmpty()) {
                        return;
                }
                getParamsNumber().clear();
                getParamsNumber().addAll(theNumberParams);
        }

        public Collection<ResourceIndexedSearchParamQuantity> getParamsQuantity() {
                if (myParamsQuantity == null) {
                        myParamsQuantity = new ArrayList<>();
                }
                return myParamsQuantity;
        }

        public void setParamsQuantity(Collection<ResourceIndexedSearchParamQuantity> theQuantityParams) {
                if (!isParamsQuantityPopulated() && theQuantityParams.isEmpty()) {
                        return;
                }
                getParamsQuantity().clear();
                getParamsQuantity().addAll(theQuantityParams);
        }

        public Collection<ResourceIndexedSearchParamQuantityNormalized> getParamsQuantityNormalized() {
                if (myParamsQuantityNormalized == null) {
                        myParamsQuantityNormalized = new ArrayList<>();
                }
                return myParamsQuantityNormalized;
        }

        public void setParamsQuantityNormalized(
                        Collection<ResourceIndexedSearchParamQuantityNormalized> theQuantityNormalizedParams) {
                if (!isParamsQuantityNormalizedPopulated() && theQuantityNormalizedParams.isEmpty()) {
                        return;
                }
                getParamsQuantityNormalized().clear();
                getParamsQuantityNormalized().addAll(theQuantityNormalizedParams);
        }

        public Collection<ResourceIndexedSearchParamString> getParamsString() {
                if (myParamsString == null) {
                        myParamsString = new ArrayList<>();
                }
                return myParamsString;
        }

        public void setParamsString(Collection<ResourceIndexedSearchParamString> theParamsString) {
                if (!isParamsStringPopulated() && theParamsString.isEmpty()) {
                        return;
                }
                getParamsString().clear();
                getParamsString().addAll(theParamsString);
        }

        public Collection<ResourceIndexedSearchParamToken> getParamsToken() {
                if (myParamsToken == null) {
                        myParamsToken = new ArrayList<>();
                }
                return myParamsToken;
        }

        public void setParamsToken(Collection<ResourceIndexedSearchParamToken> theParamsToken) {
                if (!isParamsTokenPopulated() && theParamsToken.isEmpty()) {
                        return;
                }
                getParamsToken().clear();
                getParamsToken().addAll(theParamsToken);
        }

        public Collection<ResourceIndexedSearchParamUri> getParamsUri() {
                if (myParamsUri == null) {
                        myParamsUri = new ArrayList<>();
                }
                return myParamsUri;
        }

        public void setParamsUri(Collection<ResourceIndexedSearchParamUri> theParamsUri) {
                if (!isParamsTokenPopulated() && theParamsUri.isEmpty()) {
                        return;
                }
                getParamsUri().clear();
                getParamsUri().addAll(theParamsUri);
        }

        @Override
        public Long getResourceId() {
                return getId();
        }

        public Collection<ResourceLink> getResourceLinks() {
                if (myResourceLinks == null) {
                        myResourceLinks = new ArrayList<>();
                }
                return myResourceLinks;
        }

        public void setResourceLinks(Collection<ResourceLink> theLinks) {
                if (!isHasLinks() && theLinks.isEmpty()) {
                        return;
                }
                getResourceLinks().clear();
                getResourceLinks().addAll(theLinks);
        }

        @Override
        public String getResourceType() {
                return myResourceType;
        }

        public ResourceTable setResourceType(String theResourceType) {
                myResourceType = theResourceType;
                return this;
        }

        @Override
        public Collection<ResourceTag> getTags() {
                if (myTags == null) {
                        myTags = new HashSet<>();
                }
                return myTags;
        }

        @Override
        public long getVersion() {
                return myVersion;
        }

        /**
         * Sets the version on this entity to {@literal 1}. This should only be called
         * on resources that are not yet persisted. After that time the version number
         * is managed by hibernate.
         */
        public void initializeVersion() {
                assert myId == null;
                myVersion = 1;
        }

        /**
         * Don't call this in any JPA environments, the version will be ignored
         * since this field is managed by hibernate
         */
        @VisibleForTesting
        public void setVersionForUnitTest(long theVersion) {
                myVersion = theVersion;
        }

        @Override
        public boolean isDeleted() {
                return getDeleted() != null;
        }

        @Override
        public void setNotDeleted() {
                setDeleted(null);
        }

        public boolean isHasLinks() {
                return myHasLinks;
        }

        public void setHasLinks(boolean theHasLinks) {
                myHasLinks = theHasLinks;
        }

        /**
         * Clears all the index population flags, e.g. {@link #isParamsStringPopulated()}
         *
         * @since 6.8.0
         */
        public void clearAllParamsPopulated() {
                myParamsTokenPopulated = false;
                myParamsCoordsPopulated = false;
                myParamsDatePopulated = false;
                myParamsNumberPopulated = false;
                myParamsStringPopulated = false;
                myParamsQuantityPopulated = false;
                myParamsQuantityNormalizedPopulated = false;
                myParamsUriPopulated = false;
                myHasLinks = false;
        }

        public boolean isParamsComboStringUniquePresent() {
                if (myParamsComboStringUniquePresent == null) {
                        return false;
                }
                return myParamsComboStringUniquePresent;
        }

        public void setParamsComboStringUniquePresent(boolean theParamsComboStringUniquePresent) {
                myParamsComboStringUniquePresent = theParamsComboStringUniquePresent;
        }

        public boolean isParamsComboTokensNonUniquePresent() {
                if (myParamsComboTokensNonUniquePresent == null) {
                        return false;
                }
                return myParamsComboTokensNonUniquePresent;
        }

        public void setParamsComboTokensNonUniquePresent(boolean theParamsComboTokensNonUniquePresent) {
                myParamsComboTokensNonUniquePresent = theParamsComboTokensNonUniquePresent;
        }

        public boolean isParamsCoordsPopulated() {
                return myParamsCoordsPopulated;
        }

        public void setParamsCoordsPopulated(boolean theParamsCoordsPopulated) {
                myParamsCoordsPopulated = theParamsCoordsPopulated;
        }

        public boolean isParamsDatePopulated() {
                return myParamsDatePopulated;
        }

        public void setParamsDatePopulated(boolean theParamsDatePopulated) {
                myParamsDatePopulated = theParamsDatePopulated;
        }

        public boolean isParamsNumberPopulated() {
                return myParamsNumberPopulated;
        }

        public void setParamsNumberPopulated(boolean theParamsNumberPopulated) {
                myParamsNumberPopulated = theParamsNumberPopulated;
        }

        public boolean isParamsQuantityPopulated() {
                return myParamsQuantityPopulated;
        }

        public void setParamsQuantityPopulated(boolean theParamsQuantityPopulated) {
                myParamsQuantityPopulated = theParamsQuantityPopulated;
        }

        public Boolean isParamsQuantityNormalizedPopulated() {
                if (myParamsQuantityNormalizedPopulated == null) return Boolean.FALSE;
                else return myParamsQuantityNormalizedPopulated;
        }

        public void setParamsQuantityNormalizedPopulated(Boolean theParamsQuantityNormalizedPopulated) {
                if (theParamsQuantityNormalizedPopulated == null) myParamsQuantityNormalizedPopulated = Boolean.FALSE;
                else myParamsQuantityNormalizedPopulated = theParamsQuantityNormalizedPopulated;
        }

        public boolean isParamsStringPopulated() {
                return myParamsStringPopulated;
        }

        public void setParamsStringPopulated(boolean theParamsStringPopulated) {
                myParamsStringPopulated = theParamsStringPopulated;
        }

        public boolean isParamsTokenPopulated() {
                return myParamsTokenPopulated;
        }

        public void setParamsTokenPopulated(boolean theParamsTokenPopulated) {
                myParamsTokenPopulated = theParamsTokenPopulated;
        }

        public boolean isParamsUriPopulated() {
                return myParamsUriPopulated;
        }

        public void setParamsUriPopulated(boolean theParamsUriPopulated) {
                myParamsUriPopulated = theParamsUriPopulated;
        }

        /**
         * Transient (not saved in DB) flag indicating that this resource was found to be unchanged by the current operation
         * and was not re-saved in the database
         */
        public boolean isUnchangedInCurrentOperation() {
                return myUnchangedInCurrentOperation;
        }

        /**
         * Transient (not saved in DB) flag indicating that this resource was found to be unchanged by the current operation
         * and was not re-saved in the database
         */
        public void setUnchangedInCurrentOperation(boolean theUnchangedInCurrentOperation) {

                myUnchangedInCurrentOperation = theUnchangedInCurrentOperation;
        }

        public String getContentText() {
                return myContentText;
        }

        public void setContentText(String theContentText) {
                myContentText = theContentText;
        }

        public void setNarrativeText(String theNarrativeText) {
                myNarrativeText = theNarrativeText;
        }

        public boolean isSearchUrlPresent() {
                return Boolean.TRUE.equals(mySearchUrlPresent);
        }

        public void setSearchUrlPresent(boolean theSearchUrlPresent) {
                mySearchUrlPresent = theSearchUrlPresent;
        }

        /**
         * This method creates a new history entity, or might reuse the current one if we've
         * already created one in the current transaction. This is because we can only increment
         * the version once in a DB transaction (since hibernate manages that number) so creating
         * multiple {@link ResourceHistoryTable} entities will result in a constraint error.
         */
        public ResourceHistoryTable toHistory(boolean theCreateVersionTags) {

                ResourceHistoryTable retVal = new ResourceHistoryTable();

                retVal.setResourceId(myId);
                retVal.setResourceType(myResourceType);
                retVal.setTransientForcedId(getFhirId());
                retVal.setFhirVersion(getFhirVersion());
                retVal.setResourceTable(this);
                retVal.setPartitionId(getPartitionId());

                retVal.setHasTags(isHasTags());
                if (isHasTags() && theCreateVersionTags) {
                        for (ResourceTag next : getTags()) {
                                retVal.addTag(next);
                        }
                }

                // If we've deleted and updated the same resource in the same transaction,
                // we need to actually create 2 distinct versions
                if (getCurrentVersionEntity() != null
                                && getCurrentVersionEntity().getId() != null
                                && getVersion() == getCurrentVersionEntity().getVersion()) {
                        myVersion++;
                }

                populateHistoryEntityVersionAndDates(retVal);

                return retVal;
        }

        /**
         * Updates several temporal values in a {@link ResourceHistoryTable} entity which
         * are pulled from this entity, including the resource version, and the
         * creation, update, and deletion dates.
         */
        public void populateHistoryEntityVersionAndDates(ResourceHistoryTable theResourceHistoryTable) {
                theResourceHistoryTable.setVersion(getVersion());
                theResourceHistoryTable.setPublished(getPublishedDate());
                theResourceHistoryTable.setUpdated(getUpdatedDate());
                theResourceHistoryTable.setDeleted(getDeleted());
        }

        @Override
        public String toString() {
                ToStringBuilder b = new ToStringBuilder(this, ToStringStyle.SHORT_PREFIX_STYLE);
                b.append("pid", myId);
                b.append("fhirId", myFhirId);
                b.append("resourceType", myResourceType);
                b.append("version", myVersion);
                if (getPartitionId() != null) {
                        b.append("partitionId", getPartitionId().getPartitionId());
                }
                b.append("lastUpdated", getUpdated().getValueAsString());
                if (getDeleted() != null) {
                        b.append("deleted", new InstantType(getDeleted()).getValueAsString());
                }
                return b.build();
        }

        @PrePersist
        @PreUpdate
        public void preSave() {
                if (myHasLinks && myResourceLinks != null) {
                        myResourceLinksField = getResourceLinks().stream()
                                        .map(ResourceLink::getTargetResourcePid)
                                        .filter(Objects::nonNull)
                                        .map(Object::toString)
                                        .collect(Collectors.joining(" "));
                } else {
                        myResourceLinksField = null;
                }
        }

        /**
         * This is a convenience to avoid loading the version a second time within a single transaction. It is
         * not persisted.
         */
        public ResourceHistoryTable getCurrentVersionEntity() {
                return myCurrentVersionEntity;
        }

        /**
         * This is a convenience to avoid loading the version a second time within a single transaction. It is
         * not persisted.
         */
        public void setCurrentVersionEntity(ResourceHistoryTable theCurrentVersionEntity) {
                myCurrentVersionEntity = theCurrentVersionEntity;
        }

        @Override
        public JpaPid getPersistentId() {
                return JpaPid.fromId(getId());
        }

        @Override
        public IdDt getIdDt() {
                IdDt retVal = new IdDt();
                populateId(retVal);
                return retVal;
        }

        public IIdType getIdType(FhirContext theContext) {
                IIdType retVal = theContext.getVersion().newIdType();
                populateId(retVal);
                return retVal;
        }

        private void populateId(IIdType retVal) {
                String resourceId;
                if (myFhirId != null && !myFhirId.isEmpty()) {
                        resourceId = myFhirId;
                } else {
                        Long id = this.getResourceId();
                        resourceId = Long.toString(id);
                }
                retVal.setValue(getResourceType() + '/' + resourceId + '/' + Constants.PARAM_HISTORY + '/' + getVersion());
        }

        public String getCreatedByMatchUrl() {
                return myCreatedByMatchUrl;
        }

        public void setCreatedByMatchUrl(String theCreatedByMatchUrl) {
                myCreatedByMatchUrl = theCreatedByMatchUrl;
        }

        public String getUpdatedByMatchUrl() {
                return myUpdatedByMatchUrl;
        }

        public void setUpdatedByMatchUrl(String theUpdatedByMatchUrl) {
                myUpdatedByMatchUrl = theUpdatedByMatchUrl;
        }

        public boolean isVersionUpdatedInCurrentTransaction() {
                return myVersionUpdatedInCurrentTransaction;
        }

        public void setLuceneIndexData(ExtendedHSearchIndexData theLuceneIndexData) {
                myLuceneIndexData = theLuceneIndexData;
        }

        public Collection<SearchParamPresentEntity> getSearchParamPresents() {
                if (mySearchParamPresents == null) {
                        mySearchParamPresents = new ArrayList<>();
                }
                return mySearchParamPresents;
        }

        /**
         * Get the FHIR resource id.
         *
         * @return the resource id, or null if the resource doesn't have a client-assigned id,
         * and hasn't been saved to the db to get a server-assigned id yet.
         */
        public String getFhirId() {
                return myFhirId;
        }

        public void setFhirId(String theFhirId) {
                myFhirId = theFhirId;
        }

        public String asTypedFhirResourceId() {
                return getResourceType() + "/" + getFhirId();
        }

        /**
         * Populate myFhirId with server-assigned sequence id when no client-id provided.
         * We eat this complexity during insert to simplify query time with a uniform column.
         * Server-assigned sequence ids aren't available until just before insertion.
         * Hibernate calls insert Generators after the pk has been assigned, so we can use myId safely here.
         */
        public static final class FhirIdGenerator implements ValueGenerator<String> {
                @Override
                public String generateValue(Session session, Object owner) {
                        ResourceTable that = (ResourceTable) owner;
                        return that.myFhirId != null ? that.myFhirId : that.myId.toString();
                }
        }
}