X-Git-Url: https://gerrit.simantics.org/r/gitweb?p=simantics%2Fplatform.git;a=blobdiff_plain;f=bundles%2Forg.simantics.db.impl%2Fsrc%2Forg%2Fsimantics%2Fdb%2Fimpl%2Fquery%2FCollectionUnaryQuery.java;h=2eaeca472c2088d7d10156cc678506004dfdacbc;hp=255054e12a90ec3600db6bf8e5190e13283600ff;hb=ae2e31aa5eb35410e5b2ce222d42421154f3fecc;hpb=969bd23cab98a79ca9101af33334000879fb60c5 diff --git a/bundles/org.simantics.db.impl/src/org/simantics/db/impl/query/CollectionUnaryQuery.java b/bundles/org.simantics.db.impl/src/org/simantics/db/impl/query/CollectionUnaryQuery.java index 255054e12..2eaeca472 100644 --- a/bundles/org.simantics.db.impl/src/org/simantics/db/impl/query/CollectionUnaryQuery.java +++ b/bundles/org.simantics.db.impl/src/org/simantics/db/impl/query/CollectionUnaryQuery.java @@ -1,37 +1,105 @@ -/******************************************************************************* - * 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.impl.query; - - - - -abstract public class CollectionUnaryQuery extends UnaryQuery { - - public CollectionUnaryQuery(final int id) { - super(id); - } - - @Override - public void clearResult(QuerySupport support) { - setResult(new IntArray()); - } - - @Override - public void setReady() { - super.setReady(); - IntArray v = (IntArray)getResult(); - int size = v.size(); - if(size == 0) setResult(IntArray.EMPTY); - else v.trim(); - } - -} +/******************************************************************************* + * Copyright (c) 2007, 2018 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.impl.query; + +import org.simantics.db.exception.DatabaseException; +import org.simantics.db.impl.graph.ReadGraphImpl; +import org.simantics.db.impl.procedure.IntProcedureAdapter; + +public abstract class CollectionUnaryQuery extends UnaryQuery implements IntProcedure { + + public CollectionUnaryQuery(final int id) { + super(id); + } + + public abstract void compute(ReadGraphImpl graph, IntProcedure procedure) throws DatabaseException; + + @Override + public final void clearResult(QuerySupport support) { + setResult(new IntArray()); + } + + @Override + public final void setReady() { + super.setReady(); + IntArray v = (IntArray)getResult(); + int size = v.size(); + if(size == 0) setResult(IntArray.EMPTY); + else v.trim(); + } + + @Override + public final Object performFromCache(ReadGraphImpl graph, final IntProcedure procedure) throws DatabaseException { + + assert(isReady()); + + if(handleException(graph, procedure)) return EXCEPTED; + + final IntArray value = (IntArray)getResult(); + if(value.data == null) { + if(value.sizeOrData != IntArray.NO_DATA) procedure.execute(graph, value.sizeOrData); + } else { + for(int i = 0;i < value.sizeOrData ; i++) procedure.execute(graph, value.data[i]); + } + + procedure.finished(graph); + + return getResult(); + + } + + @Override + public final void recompute(ReadGraphImpl graph) throws DatabaseException { + + compute(graph, new IntProcedureAdapter() { + + @Override + public void finished(ReadGraphImpl graph) { + } + + @Override + public void exception(ReadGraphImpl graph, Throwable t) { + new Error("Error in recompute.", t).printStackTrace(); + } + + }); + + } + + @Override + final boolean isImmutable(ReadGraphImpl graph) { + return graph.processor.isImmutable(id); + } + + @Override + public final void execute(ReadGraphImpl graph, int i) throws DatabaseException { + IntArray v = (IntArray)getResult(); + v.add(i); + } + + @Override + public final void finished(ReadGraphImpl graph) throws DatabaseException { + setReady(); + } + + @Override + public final void exception(ReadGraphImpl graph, Throwable throwable) throws DatabaseException { + except(throwable); + } + + @Override + public void serializeValue(QuerySerializer serializer) { + IntArray is = getResult(); + is.serialize(serializer); + } + +}