001/*-
002 * #%L
003 * HAPI FHIR JPA Server
004 * %%
005 * Copyright (C) 2014 - 2024 Smile CDR, Inc.
006 * %%
007 * Licensed under the Apache License, Version 2.0 (the "License");
008 * you may not use this file except in compliance with the License.
009 * You may obtain a copy of the License at
010 *
011 *      http://www.apache.org/licenses/LICENSE-2.0
012 *
013 * Unless required by applicable law or agreed to in writing, software
014 * distributed under the License is distributed on an "AS IS" BASIS,
015 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
016 * See the License for the specific language governing permissions and
017 * limitations under the License.
018 * #L%
019 */
020package ca.uhn.fhir.jpa.config.util;
021
022import org.apache.commons.dbcp2.BasicDataSource;
023
024import java.util.Optional;
025
026/**
027 * Utility class to hide the complexities of obtaining ConnectionPool information
028 */
029public class BasicDataSourceConnectionPoolInfoProvider implements IConnectionPoolInfoProvider {
030
031        public final BasicDataSource myDataSource;
032
033        public BasicDataSourceConnectionPoolInfoProvider(BasicDataSource theDataSource) {
034                myDataSource = theDataSource;
035        }
036
037        @Override
038        public Optional<Integer> getTotalConnectionSize() {
039                return Optional.of(myDataSource.getMaxTotal());
040        }
041
042        @Override
043        public Optional<Integer> getActiveConnections() {
044                return Optional.of(myDataSource.getNumActive());
045        }
046
047        @Override
048        public Optional<Long> getMaxWaitMillis() {
049                return Optional.of(myDataSource.getMaxWaitMillis());
050        }
051}