/*******************************************************************************
* Copyright (C) 2016, Andrey Rodionov <rodionovamp@mail.ru>
*
* 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
*
*******************************************************************************/
package org.eclipse.egit.core.internal.indexdiff;
import org.eclipse.core.resources.IResourceDelta;
import org.eclipse.core.resources.IResourceDeltaVisitor;
import org.eclipse.core.runtime.CoreException;
/**
* While analyzing ResourceDelta, try to determine if delta contains at least 1
* interesting change. If not, short-cut {@link GitResourceDeltaVisitor}
*/
class SkipNotInterestingDeltaVisitor implements IResourceDeltaVisitor {
private boolean atLeastOneInterestingDelta = false;
@Override
public boolean visit(IResourceDelta delta) throws CoreException {
if (atLeastOneInterestingDelta) {
// Skip further iterating. Root delta has at least one interesting
// change
return false;
}
if (GitResourceDeltaVisitor.isInteresting(delta)) {
atLeastOneInterestingDelta = true;
return false;
}
// No interesting changes found. Continue iterating over delta
return true;
}
public boolean hasAtLeastOneInterestingDelta() {
return atLeastOneInterestingDelta;
}
}