]> gerrit.simantics Code Review - simantics/platform.git/blob - bundles/org.simantics.db.impl/src/org/simantics/db/impl/query/CollectionBinaryQuery.java
Add possibility to bookkeep barrier tracing with env var
[simantics/platform.git] / bundles / org.simantics.db.impl / src / org / simantics / db / impl / query / CollectionBinaryQuery.java
1 /*******************************************************************************
2  * Copyright (c) 2007, 2010 Association for Decentralized Information Management
3  * in Industry THTH ry.
4  * All rights reserved. This program and the accompanying materials
5  * are made available under the terms of the Eclipse Public License v1.0
6  * which accompanies this distribution, and is available at
7  * http://www.eclipse.org/legal/epl-v10.html
8  *
9  * Contributors:
10  *     VTT Technical Research Centre of Finland - initial API and implementation
11  *******************************************************************************/
12 package org.simantics.db.impl.query;
13
14
15
16
17 abstract public class CollectionBinaryQuery<T> extends BinaryQuery<T> {
18         
19     public CollectionBinaryQuery(final int r1, final int r2) {
20         super(r1, r2);
21     }
22     
23     @Override
24     public void clearResult(QuerySupport support) {
25         setResult(new IntArray());
26     }
27     
28     @Override
29     public void setReady() {
30         super.setReady();
31         IntArray v = (IntArray)getResult();
32         int size = v.size();
33         if(size == 0) setResult(IntArray.EMPTY);
34         else v.trim();
35     }
36     
37 }