X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=bundles%2Forg.simantics.db.common%2Fsrc%2Forg%2Fsimantics%2Fdb%2Fcommon%2Fprocedure%2Fsingle%2FSingleSetAsyncListener.java;h=3f156c5fe3c94a20744eb5a6a909072005971959;hb=bc5e6cb19f6af5f67bc5cfaad7d602841b8fdd0b;hp=7a30cc591760108f18fcf43cb4bfb4f5e9e073a2;hpb=969bd23cab98a79ca9101af33334000879fb60c5;p=simantics%2Fplatform.git diff --git a/bundles/org.simantics.db.common/src/org/simantics/db/common/procedure/single/SingleSetAsyncListener.java b/bundles/org.simantics.db.common/src/org/simantics/db/common/procedure/single/SingleSetAsyncListener.java index 7a30cc591..3f156c5fe 100644 --- a/bundles/org.simantics.db.common/src/org/simantics/db/common/procedure/single/SingleSetAsyncListener.java +++ b/bundles/org.simantics.db.common/src/org/simantics/db/common/procedure/single/SingleSetAsyncListener.java @@ -1,68 +1,68 @@ -/******************************************************************************* - * 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.db.common.procedure.single; - -import java.util.Collection; -import java.util.HashSet; - -import org.simantics.db.AsyncReadGraph; -import org.simantics.db.procedure.AsyncListener; - -abstract public class SingleSetAsyncListener implements AsyncListener>{ - - final private boolean changesOnly; - private Collection previous = null; - - public void add(AsyncReadGraph graph, T item) {} - public void remove(AsyncReadGraph graph, T item) {} - - public SingleSetAsyncListener() { - this(false); - } - - public SingleSetAsyncListener(boolean changesOnly) { - this.changesOnly = changesOnly; - } - - @Override - public void execute(AsyncReadGraph graph, final Collection result) { - - if(previous == null) { - - if(!changesOnly) { -// for(T t : result) -// add(graph, t); -// } else { - first(graph, result); - } - - } else { - - HashSet added = new HashSet(result); - added.removeAll(previous); - HashSet removed = new HashSet(previous); - removed.removeAll(result); - - for(T t : added) add(graph, t); - for(T t : removed) remove(graph, t); - - } - - previous = result; - - } - - public void first(AsyncReadGraph graph, final Collection result) { - for(T t : result) add(graph, t); - } - -} +/******************************************************************************* + * 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.db.common.procedure.single; + +import java.util.Collection; +import java.util.HashSet; + +import org.simantics.db.AsyncReadGraph; +import org.simantics.db.procedure.AsyncListener; + +abstract public class SingleSetAsyncListener implements AsyncListener>{ + + final private boolean changesOnly; + private Collection previous = null; + + public void add(AsyncReadGraph graph, T item) {} + public void remove(AsyncReadGraph graph, T item) {} + + public SingleSetAsyncListener() { + this(false); + } + + public SingleSetAsyncListener(boolean changesOnly) { + this.changesOnly = changesOnly; + } + + @Override + public void execute(AsyncReadGraph graph, final Collection result) { + + if(previous == null) { + + if(!changesOnly) { +// for(T t : result) +// add(graph, t); +// } else { + first(graph, result); + } + + } else { + + HashSet added = new HashSet(result); + added.removeAll(previous); + HashSet removed = new HashSet(previous); + removed.removeAll(result); + + for(T t : added) add(graph, t); + for(T t : removed) remove(graph, t); + + } + + previous = result; + + } + + public void first(AsyncReadGraph graph, final Collection result) { + for(T t : result) add(graph, t); + } + +}