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* Copyright (c) 2007, 2011, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
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* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
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package com.sun.tools.visualvm.core.datasource;
import java.util.Set;
/**
* Default implementation of DataSourceContainer.
* This class implements all neccessary methods to act as a repository of a DataSource (DataSource.getRepository()).
*
* @author Jiri Sedlacek
*/
public final class DataSourceContainer extends DataSourceProvider {
private final DataSource owner;
/**
* Default implementation of DataSourceContainer.
* DataSoures can benefit from using this class which implements
* managing created DataSource instances and firing the events to listeners
* as their repositories.
*
* @param owner
*/
DataSourceContainer(DataSource owner) {
this.owner = owner;
}
/**
* Adds a DataSource to the container.
*
* @param added DataSource to be added.
*/
public void addDataSource(DataSource added) {
registerDataSource(added);
}
/**
* Adds several DataSources to the container at once.
*
* @param added DataSources to be added.
*/
public void addDataSources(Set<? extends DataSource> added) {
super.registerDataSources(added);
}
/**
* Removes a DataSource from the container.
*
* @param removed DataSource to be removed.
*/
public void removeDataSource(DataSource removed) {
unregisterDataSource(removed);
}
/**
* Removes several DataSources from the container at once.
*
* @param removed DataSources to be removed.
*/
public void removeDataSources(Set<? extends DataSource> removed) {
super.unregisterDataSources(removed);
}
/**
* Adds and removes several DataSources to/from the container in a single operation.
*
* @param added DataSources to be added.
* @param removed DataSources to be removed.
*/
public void updateDataSources(Set<? extends DataSource> added, Set<? extends DataSource> removed) {
super.changeDataSources(added, removed);
}
protected void registerDataSourcesImpl(Set<? extends DataSource> added) {
for (DataSource dataSource : added) dataSource.addImpl(owner);
super.registerDataSourcesImpl(added);
}
protected void unregisterDataSourcesImpl(Set<? extends DataSource> removed) {
for (DataSource dataSource : removed) {
DataSourceContainer dataSourceRepository = dataSource.getRepository();
dataSourceRepository.unregisterDataSourcesImpl(dataSourceRepository.getDataSources());
dataSource.removeImpl();
}
super.unregisterDataSourcesImpl(removed);
}
}