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Fix for 183966, performance improvement for PDOMNode.hashCode().

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This commit is contained in:
Markus Schorn 2007-04-25 12:59:19 +00:00
parent 73fd7f02ab
commit 4fc2c97265
2 changed files with 7 additions and 3 deletions
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4
core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/PDOMBinding.java
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@ -297,6 +297,10 @@ public abstract class PDOMBinding extends PDOMNamedNode implements IIndexFragmen
} }
public boolean equals(Object o) { public boolean equals(Object o) {
if (o instanceof PDOMNode) {
PDOMNode node= (PDOMNode) o;
return pdom==node.pdom && record == node.record;
}
return compareTo(o)==0; return compareTo(o)==0;
} }
} }

6
core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/PDOMNode.java
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@ -1,5 +1,5 @@
/******************************************************************************* /*******************************************************************************
* Copyright (c) 2005, 2006 QNX Software Systems and others. * Copyright (c) 2005, 2007 QNX Software Systems and others.
* All rights reserved. This program and the accompanying materials * All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0 * are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at * which accompanies this distribution, and is available at
@ -72,14 +72,14 @@ public abstract class PDOMNode implements IPDOMNode {
return true; return true;
if (obj instanceof PDOMNode) { if (obj instanceof PDOMNode) {
PDOMNode other = (PDOMNode)obj; PDOMNode other = (PDOMNode)obj;
return pdom.equals(other.pdom) && record == other.record; return pdom == other.pdom && record == other.record;
} }
return super.equals(obj); return super.equals(obj);
} }
public int hashCode() { public int hashCode() {
return 31 * pdom.getPath().hashCode() + 41 * record; return System.identityHashCode(pdom) + 41*record;
} }
public void accept(IPDOMVisitor visitor) throws CoreException { public void accept(IPDOMVisitor visitor) throws CoreException {