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/*******************************************************************************
* Copyright (c) 2006, 2008 Oracle. 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 - initial API and implementation
******************************************************************************/
package org.eclipse.jpt.db.internal;
import org.eclipse.datatools.connectivity.sqm.core.rte.ICatalogObject;
import org.eclipse.datatools.connectivity.sqm.core.rte.ICatalogObjectListener;
import org.eclipse.datatools.connectivity.sqm.core.rte.RefreshManager;
import org.eclipse.jpt.utility.internal.StringTools;
/**
* DTP Catalog Object Wrapper base class
*/
abstract class DTPWrapper
implements ConnectionProfileHolder
{
// we need a way to get to the connection profile
private final ConnectionProfileHolder connectionProfileHolder;
// listen for the "catalog object" being refreshed
private final ICatalogObjectListener catalogObjectListener;
// we only listen to "live" connections
private final boolean connectionIsLive;
// listen for this to refresh
final ICatalogObject catalogObject;
DTPWrapper(ConnectionProfileHolder connectionProfileHolder, Object dtpObject) {
super();
this.connectionProfileHolder = connectionProfileHolder;
this.connectionIsLive = this.getConnectionProfile().isConnected();
if (this.connectionIsLive) {
this.catalogObject = (ICatalogObject) dtpObject;
this.catalogObjectListener = this.buildCatalogObjectListener();
RefreshManager.getInstance().AddListener(this.catalogObject, this.catalogObjectListener);
} else {
this.catalogObject = null;
this.catalogObjectListener = null;
}
}
private ICatalogObjectListener buildCatalogObjectListener() {
return new ICatalogObjectListener() {
public void notifyChanged(ICatalogObject dmElement, int eventType) {
if (dmElement == DTPWrapper.this.catalogObject) {
DTPWrapper.this.catalogObjectChanged(eventType);
}
}
};
}
// typically, notify the connection profile something has changed
abstract void catalogObjectChanged(int eventType);
public DTPConnectionProfileWrapper getConnectionProfile() {
return this.connectionProfileHolder.getConnectionProfile();
}
void dispose() {
if (this.connectionIsLive) {
RefreshManager.getInstance().removeListener(this.catalogObject, this.catalogObjectListener);
}
}
// all the subclasses can implement this method
abstract String getName();
@Override
public String toString() {
return StringTools.buildToStringFor(this, this.getName());
}
}
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