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%2Fwrapper%2FNullSingleOrNullProcedure.java;fp=bundles%2Forg.simantics.db.common%2Fsrc%2Forg%2Fsimantics%2Fdb%2Fcommon%2Fprocedure%2Fsingle%2Fwrapper%2FNullSingleOrNullProcedure.java;h=6e044e38ee8c0cbfbec3c726c443c6f74c5ec194;hb=0ae2b770234dfc3cbb18bd38f324125cf0faca07;hp=15523b9d3fbfdc778dc776dcea4acacab35eb192;hpb=24e2b34260f219f0d1644ca7a138894980e25b14;p=simantics%2Fplatform.git diff --git a/bundles/org.simantics.db.common/src/org/simantics/db/common/procedure/single/wrapper/NullSingleOrNullProcedure.java b/bundles/org.simantics.db.common/src/org/simantics/db/common/procedure/single/wrapper/NullSingleOrNullProcedure.java index 15523b9d3..6e044e38e 100644 --- a/bundles/org.simantics.db.common/src/org/simantics/db/common/procedure/single/wrapper/NullSingleOrNullProcedure.java +++ b/bundles/org.simantics.db.common/src/org/simantics/db/common/procedure/single/wrapper/NullSingleOrNullProcedure.java @@ -1,89 +1,89 @@ -/******************************************************************************* - * 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.wrapper; - -import org.simantics.db.AsyncReadGraph; -import org.simantics.db.common.utils.Logger; -import org.simantics.db.procedure.AsyncProcedure; - -final public class NullSingleOrNullProcedure { - - private Result result = null; - final AsyncProcedure procedure; - - boolean done = false; - boolean found = false; - int ready = 1; - -// final AtomicBoolean done = new AtomicBoolean(false); -// final AtomicBoolean found = new AtomicBoolean(false); -// final AtomicInteger ready = new AtomicInteger(1); - - public NullSingleOrNullProcedure(AsyncProcedure procedure) { - - this.procedure = procedure; - - } - - public void inc() { - ready++; -// ready.incrementAndGet(); - } - - public void dec(AsyncReadGraph graph) { - - if((--ready) == 0) { - // Shall fire exactly once! - if(!done) { - done = true; - try { - procedure.execute(graph, result); - } catch (Throwable t) { - Logger.defaultLogError(t); - } - } - } - - } - - public void offer(AsyncReadGraph graph, Result result) { - - if(!found) { - found = true; - this.result = result; - } else { - // Shall fire exactly once! - if(!done) { - done = true; - try { - procedure.execute(graph, null); - } catch (Throwable t) { - Logger.defaultLogError(t); - } - } - } - - } - - public void exception(AsyncReadGraph graph, Throwable t) { - // Shall fire exactly once! - if(!done) { - done = true; - try { - procedure.exception(graph, t); - } catch (Throwable t2) { - Logger.defaultLogError(t2); - } - } - } - -} +/******************************************************************************* + * 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.wrapper; + +import org.simantics.db.AsyncReadGraph; +import org.simantics.db.common.utils.Logger; +import org.simantics.db.procedure.AsyncProcedure; + +final public class NullSingleOrNullProcedure { + + private Result result = null; + final AsyncProcedure procedure; + + boolean done = false; + boolean found = false; + int ready = 1; + +// final AtomicBoolean done = new AtomicBoolean(false); +// final AtomicBoolean found = new AtomicBoolean(false); +// final AtomicInteger ready = new AtomicInteger(1); + + public NullSingleOrNullProcedure(AsyncProcedure procedure) { + + this.procedure = procedure; + + } + + public void inc() { + ready++; +// ready.incrementAndGet(); + } + + public void dec(AsyncReadGraph graph) { + + if((--ready) == 0) { + // Shall fire exactly once! + if(!done) { + done = true; + try { + procedure.execute(graph, result); + } catch (Throwable t) { + Logger.defaultLogError(t); + } + } + } + + } + + public void offer(AsyncReadGraph graph, Result result) { + + if(!found) { + found = true; + this.result = result; + } else { + // Shall fire exactly once! + if(!done) { + done = true; + try { + procedure.execute(graph, null); + } catch (Throwable t) { + Logger.defaultLogError(t); + } + } + } + + } + + public void exception(AsyncReadGraph graph, Throwable t) { + // Shall fire exactly once! + if(!done) { + done = true; + try { + procedure.exception(graph, t); + } catch (Throwable t2) { + Logger.defaultLogError(t2); + } + } + } + +}