| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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 |
| * |
| * https://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. |
| * |
| */ |
| |
| package org.apache.directory.ldap.client.api; |
| |
| |
| import org.apache.commons.pool2.PooledObjectFactory; |
| import org.apache.commons.pool2.impl.GenericObjectPool; |
| import org.apache.commons.pool2.impl.GenericObjectPoolConfig; |
| import org.apache.directory.api.i18n.I18n; |
| import org.apache.directory.api.ldap.codec.api.LdapApiService; |
| import org.apache.directory.api.ldap.model.exception.LdapException; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| |
| /** |
| * A pool implementation for LdapConnection objects. |
| * |
| * This class is just a wrapper around the commons GenericObjectPool, and has |
| * a more meaningful name to represent the pool type. |
| * |
| * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> |
| */ |
| public class LdapConnectionPool extends GenericObjectPool<LdapConnection> |
| { |
| private static final Logger LOG = LoggerFactory.getLogger( LdapConnectionPool.class ); |
| |
| private PooledObjectFactory<LdapConnection> factory; |
| |
| |
| /** |
| * Instantiates a new LDAP connection pool. |
| * |
| * @param connectionConfig The connection configuration |
| * @param apiService The api service (codec) |
| * @param timeout The connection timeout in millis |
| */ |
| public LdapConnectionPool( LdapConnectionConfig connectionConfig, |
| LdapApiService apiService, long timeout ) |
| { |
| this( connectionConfig, apiService, timeout, null ); |
| } |
| |
| |
| /** |
| * Instantiates a new LDAP connection pool. |
| * |
| * @param connectionConfig The connection configuration |
| * @param apiService The api service (codec) |
| * @param timeout The connection timeout in millis |
| * @param poolConfig The pool configuration |
| */ |
| public LdapConnectionPool( LdapConnectionConfig connectionConfig, |
| LdapApiService apiService, long timeout, GenericObjectPoolConfig poolConfig ) |
| { |
| this( newPoolableConnectionFactory( connectionConfig, apiService, timeout ), poolConfig ); |
| } |
| |
| |
| /** |
| * Instantiates a new LDAP connection pool. |
| * |
| * @param factory The LDAP connection factory |
| */ |
| public LdapConnectionPool( PooledObjectFactory<LdapConnection> factory ) |
| { |
| this( factory, null ); |
| } |
| |
| |
| /** |
| * Instantiates a new LDAP connection pool. |
| * |
| * @param factory The LDAP connection factory |
| * @param poolConfig The pool configuration |
| */ |
| public LdapConnectionPool( PooledObjectFactory<LdapConnection> factory, GenericObjectPoolConfig poolConfig ) |
| { |
| super( factory, poolConfig == null ? new GenericObjectPoolConfig() : poolConfig ); |
| this.factory = factory; |
| } |
| |
| |
| /** |
| * Returns the LdapApiService instance used by this connection pool. |
| * |
| * @return The LdapApiService instance used by this connection pool. |
| */ |
| public LdapApiService getLdapApiService() |
| { |
| return ( ( AbstractPoolableLdapConnectionFactory ) factory ).getLdapApiService(); |
| } |
| |
| |
| /** |
| * Gives a LdapConnection fetched from the pool. |
| * |
| * @return an LdapConnection object from pool |
| * @throws LdapException if an error occurs while obtaining a connection from the factory |
| */ |
| public LdapConnection getConnection() throws LdapException |
| { |
| LdapConnection connection; |
| |
| try |
| { |
| connection = super.borrowObject(); |
| |
| if ( LOG.isTraceEnabled() ) |
| { |
| LOG.trace( I18n.msg( I18n.MSG_04163_BORROWED_CONNECTION, connection ) ); |
| } |
| } |
| catch ( LdapException | RuntimeException e ) |
| { |
| throw e; |
| } |
| catch ( Exception e ) |
| { |
| // wrap in runtime, but this should NEVER happen per published |
| // contract as it only throws what the makeObject throws and our |
| // PoolableLdapConnectionFactory only throws LdapException |
| LOG.error( I18n.err( I18n.ERR_04107_UNEXPECTED_THROWN_EXCEPTION, e.getMessage() ), e ); |
| throw new RuntimeException( e ); |
| } |
| |
| return connection; |
| } |
| |
| |
| private static ValidatingPoolableLdapConnectionFactory newPoolableConnectionFactory( |
| LdapConnectionConfig connectionConfig, LdapApiService apiService, |
| long timeout ) |
| { |
| DefaultLdapConnectionFactory connectionFactory = |
| new DefaultLdapConnectionFactory( connectionConfig ); |
| connectionFactory.setLdapApiService( apiService ); |
| connectionFactory.setTimeOut( timeout ); |
| return new ValidatingPoolableLdapConnectionFactory( connectionFactory ); |
| } |
| |
| |
| /** |
| * Places the given LdapConnection back in the pool. |
| * |
| * @param connection the LdapConnection to be released |
| * @throws LdapException if an error occurs while releasing the connection |
| */ |
| public void releaseConnection( LdapConnection connection ) throws LdapException |
| { |
| try |
| { |
| super.returnObject( connection ); |
| |
| if ( LOG.isTraceEnabled() ) |
| { |
| LOG.trace( I18n.msg( I18n.MSG_04164_RETURNED_CONNECTION, connection ) ); |
| } |
| } |
| catch ( Exception e ) |
| { |
| // wrap in runtime, but this should NEVER happen as it only throws |
| // what the passivateObject throws and our |
| // PoolableLdapConnectionFactory only throws LdapException |
| LOG.error( I18n.err( I18n.ERR_04107_UNEXPECTED_THROWN_EXCEPTION, e.getMessage() ), e ); |
| throw new RuntimeException( e ); |
| } |
| } |
| } |