/*******************************************************************************
* Copyright (c) 2010 Oracle Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Oracle Corporation - initial API and implementation and/or initial documentation
*******************************************************************************/
package org.eclipse.jst.jsf.common.metadata.query.internal;
import org.eclipse.jst.jsf.common.metadata.internal.IMetaDataDomainContext;
import org.eclipse.jst.jsf.common.metadata.internal.IMetaDataModelManager;
/**
* Abstract {@link IMetaDataQuery} that all implementers must extend.
* <p>
* Provides a default {@link IMetaDataQueryHelper} that can be overridden.
*/
public abstract class AbstractMetaDataQuery implements IMetaDataQuery{
private final IMetaDataModelManager _manager;
private final IMetaDataDomainContext _managerContext;
private IMetaDataQueryHelper _helper;
/**
* @param manager
* @param managerContext
*/
public AbstractMetaDataQuery(final IMetaDataModelManager manager, final IMetaDataDomainContext managerContext) {
_manager = manager;
_managerContext = managerContext;
}
public IMetaDataQueryHelper getQueryHelper() {
if (_helper == null) {
_helper = new MetaDataQueryHelper(getManager(), getDomainContext());
}
return _helper;
}
public void setQueryHelper(final IMetaDataQueryHelper helper) {
_helper = helper;
}
/**
* NOT API
* @return IMetaDataModelManager
*/
public final IMetaDataModelManager getManager() {
return _manager;
}
/**
* NOT API
* @return IMetaDataModelManagerContext
*/
public final IMetaDataDomainContext getDomainContext() {
return _managerContext;
}
/**
* Convenience method
* @return domain id
*/
protected final String getDomainId() {
return getDomainContext().getDomainId();
}
}