--- /dev/null
+/*******************************************************************************\r
+ * Copyright (c) 2007, 2010 Association for Decentralized Information Management\r
+ * in Industry THTH ry.\r
+ * All rights reserved. This program and the accompanying materials\r
+ * are made available under the terms of the Eclipse Public License v1.0\r
+ * which accompanies this distribution, and is available at\r
+ * http://www.eclipse.org/legal/epl-v10.html\r
+ *\r
+ * Contributors:\r
+ * VTT Technical Research Centre of Finland - initial API and implementation\r
+ *******************************************************************************/\r
+package org.simantics.db.impl.query;\r
+\r
+\r
+\r
+\r
+abstract public class CollectionUnaryQuery<T> extends UnaryQuery<T> {\r
+ \r
+ public CollectionUnaryQuery(final int id) {\r
+ super(id);\r
+ }\r
+ \r
+ @Override\r
+ public void clearResult(QuerySupport support) {\r
+ setResult(new IntArray());\r
+ }\r
+ \r
+ @Override\r
+ public void setReady() {\r
+ super.setReady();\r
+ IntArray v = (IntArray)getResult();\r
+ int size = v.size();\r
+ if(size == 0) setResult(IntArray.EMPTY);\r
+ else v.trim();\r
+ }\r
+ \r
+}\r