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/*******************************************************************************
* Copyright (c) 2007, 2010 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.jpa.core.internal.context.java;
import java.util.Iterator;
import java.util.List;
import org.eclipse.jdt.core.dom.CompilationUnit;
import org.eclipse.jpt.common.core.JptCommonCorePlugin;
import org.eclipse.jpt.common.core.JptResourceType;
import org.eclipse.jpt.common.utility.Filter;
import org.eclipse.jpt.jpa.core.context.JpaContextNode;
import org.eclipse.jpt.jpa.core.context.java.JavaJpaContextNode;
import org.eclipse.jpt.jpa.core.internal.context.AbstractJpaContextNode;
import org.eclipse.jst.j2ee.model.internal.validation.ValidationCancelledException;
import org.eclipse.wst.validation.internal.provisional.core.IMessage;
import org.eclipse.wst.validation.internal.provisional.core.IReporter;
public abstract class AbstractJavaJpaContextNode
extends AbstractJpaContextNode
implements JavaJpaContextNode
{
protected AbstractJavaJpaContextNode(JpaContextNode parent) {
super(parent);
}
@Override
public JptResourceType getResourceType() {
return JptCommonCorePlugin.JAVA_SOURCE_RESOURCE_TYPE;
}
public Iterator<String> javaCompletionProposals(int pos, Filter<String> filter, CompilationUnit astRoot) {
if (this.connectionProfileIsActive()) {
Iterator<String> result = this.connectedJavaCompletionProposals(pos, filter, astRoot);
if (result != null) {
return result;
}
}
return null;
}
/**
* This method is called if the database is connected, allowing us to
* get candidates from the various database tables etc.
* This method should NOT be cascaded to "child" objects; it should
* only return candidates for the current object. The cascading is
* handled by #javaCompletionProposals(int, Filter, CompilationUnit).
*/
@SuppressWarnings("unused")
public Iterator<String> connectedJavaCompletionProposals(int pos, Filter<String> filter, CompilationUnit astRoot) {
return null;
}
// ********** validation **********
/**
* All subclass implementations
* should be preceded by a "super" call to this method.
*/
public void validate(List<IMessage> messages, IReporter reporter, CompilationUnit astRoot) {
if (reporter.isCancelled()) {
throw new ValidationCancelledException();
}
}
}
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