X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=bundles%2Forg.simantics.browsing.ui.model%2Fsrc%2Forg%2Fsimantics%2Fbrowsing%2Fui%2Fmodel%2Fchildren%2FConstantChildRule.java;fp=bundles%2Forg.simantics.browsing.ui.model%2Fsrc%2Forg%2Fsimantics%2Fbrowsing%2Fui%2Fmodel%2Fchildren%2FConstantChildRule.java;h=5ab64a28094b9213c0d41b7be227a816665b86d6;hb=969bd23cab98a79ca9101af33334000879fb60c5;hp=0000000000000000000000000000000000000000;hpb=866dba5cd5a3929bbeae85991796acb212338a08;p=simantics%2Fplatform.git

diff --git a/bundles/org.simantics.browsing.ui.model/src/org/simantics/browsing/ui/model/children/ConstantChildRule.java b/bundles/org.simantics.browsing.ui.model/src/org/simantics/browsing/ui/model/children/ConstantChildRule.java
new file mode 100644
index 000000000..5ab64a280
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+++ b/bundles/org.simantics.browsing.ui.model/src/org/simantics/browsing/ui/model/children/ConstantChildRule.java
@@ -0,0 +1,42 @@
+/*******************************************************************************
+ * Copyright (c) 2010, 2011 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.model.children;
+
+import java.util.Collection;
+import java.util.Collections;
+
+import org.simantics.db.ReadGraph;
+import org.simantics.db.Resource;
+import org.simantics.db.exception.DatabaseException;
+
+public class ConstantChildRule implements ChildRule {
+    Collection<Resource> children;
+    
+    public ConstantChildRule(Collection<Resource> children) {
+        this.children = children;
+    }
+    
+    @Override
+    public Collection<?> getChildren(ReadGraph graph, Object parent) throws DatabaseException {
+       return children;
+    }
+    
+    @Override
+    public Collection<?> getParents(ReadGraph graph, Object child) throws DatabaseException {
+        return Collections.emptyList();        
+    }
+
+    @Override
+    public boolean isCompatible(Class<?> contentType) {
+        return true;
+    }
+}