X-Git-Url: https://gerrit.simantics.org/r/gitweb?p=simantics%2Fplatform.git;a=blobdiff_plain;f=bundles%2Forg.simantics.browsing.ui.common%2Fsrc%2Forg%2Fsimantics%2Fbrowsing%2Fui%2Fcommon%2Fproperty%2FPropertyComparator.java;fp=bundles%2Forg.simantics.browsing.ui.common%2Fsrc%2Forg%2Fsimantics%2Fbrowsing%2Fui%2Fcommon%2Fproperty%2FPropertyComparator.java;h=4b23d7b4843b032faa8a6c7e9969b9873bbc3590;hp=0000000000000000000000000000000000000000;hb=969bd23cab98a79ca9101af33334000879fb60c5;hpb=866dba5cd5a3929bbeae85991796acb212338a08

diff --git a/bundles/org.simantics.browsing.ui.common/src/org/simantics/browsing/ui/common/property/PropertyComparator.java b/bundles/org.simantics.browsing.ui.common/src/org/simantics/browsing/ui/common/property/PropertyComparator.java
new file mode 100644
index 000000000..4b23d7b48
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+++ b/bundles/org.simantics.browsing.ui.common/src/org/simantics/browsing/ui/common/property/PropertyComparator.java
@@ -0,0 +1,34 @@
+/*******************************************************************************
+ * Copyright (c) 2007, 2010 Association for Decentralized Information Management
+ * in Industry THTH ry.
+ * 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:
+ *     VTT Technical Research Centre of Finland - initial API and implementation
+ *******************************************************************************/
+package org.simantics.browsing.ui.common.property;
+
+import java.util.Comparator;
+
+/**
+ * @author Tuukka Lehtonen
+ */
+public class PropertyComparator implements Comparator<PropertyComparable> {
+
+    public static final PropertyComparator INSTANCE = new PropertyComparator();
+
+    @Override
+    public int compare(PropertyComparable o1, PropertyComparable o2) {
+        int h1 = o1.propertyHashCode();
+        int h2 = o2.propertyHashCode();
+        if (h1 != h2) {
+            return h1-h2;
+        }
+        boolean equals = o1.propertyEquals(o2);
+        return equals ? 0 : -1;
+    }
+
+}
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