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%2FURIToResource.java;h=c466cb261cca975d10c16a70461eab15bb3f77b2;hp=251939c066e173922e1e5f0da71c5dfdc2f2daef;hb=c26409b1caf2f1e560d37c5befd11b442399c3fe;hpb=969bd23cab98a79ca9101af33334000879fb60c5 diff --git a/bundles/org.simantics.db.impl/src/org/simantics/db/impl/query/URIToResource.java b/bundles/org.simantics.db.impl/src/org/simantics/db/impl/query/URIToResource.java index 251939c06..c466cb261 100644 --- a/bundles/org.simantics.db.impl/src/org/simantics/db/impl/query/URIToResource.java +++ b/bundles/org.simantics.db.impl/src/org/simantics/db/impl/query/URIToResource.java @@ -1,269 +1,270 @@ -/******************************************************************************* - * 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; - -import gnu.trove.map.hash.TObjectIntHashMap; - -import java.util.concurrent.Semaphore; - -import org.simantics.databoard.util.URIStringUtils; -import org.simantics.db.common.exception.DebugException; -import org.simantics.db.impl.graph.ReadGraphImpl; -import org.simantics.db.impl.procedure.InternalProcedure; -import org.simantics.db.procedure.ListenerBase; - -public class URIToResource extends StringQuery> { - -// public ArrayList> procs = null; - - private URIToResource(final String id) { - super(id); - } - - final static URIToResource entry(final QueryProcessor provider, final String id) { - return (URIToResource)provider.uriToResourceMap.get(id); - } - - final static void runner(ReadGraphImpl graph, final String id, CacheEntry parent, final ListenerBase listener, final InternalProcedure procedure) { - - QueryProcessor processor = graph.processor; - - URIToResource entry = (URIToResource)processor.uriToResourceMap.get(id); - if(entry == null) { - - entry = new URIToResource(id); - entry.setPending(); - entry.clearResult(processor.querySupport); - entry.putEntry(processor); - - processor.performForEach(graph, entry, parent, listener, procedure); - - } else { - - if(entry.isPending()) { - synchronized(entry) { - if(entry.isPending()) { - throw new IllegalStateException(); -// if(entry.procs == null) entry.procs = new ArrayList>(); -// entry.procs.add(procedure); -// processor.registerDependencies(graph, entry, parent, listener, procedure, false); -// return; - } - } - } - - processor.performForEach(graph, entry, parent, listener, procedure); - - } - - } - - final public static void queryEach(ReadGraphImpl graph, final String id, final CacheEntry parent, final ListenerBase listener, final InternalProcedure procedure) { - - assert(id != null); - - if(graph.parent == null && listener == null) { - URIToResource.computeForEach(graph, id, null, procedure); - } else { - runner(graph, id, parent, listener, procedure); - } - - } - - @Override - public URIToResource getEntry(QueryProcessor provider) { - return provider.uriToResourceMap.get(id); - } - - @Override - public void putEntry(QueryProcessor provider) { - provider.uriToResourceMap.put(id, this); - } - - @Override - final public void removeEntry(QueryProcessor provider) { - provider.uriToResourceMap.remove(id); - } - - private void lookup(ReadGraphImpl graph, final QueryProcessor processor, final InternalProcedure procedure, final String namespace, final String name) { - - NamespaceIndex.queryEach(graph, namespace, processor, this, null, new InternalProcedure>() { - - @Override - public void execute(ReadGraphImpl graph, TObjectIntHashMap index) { - - if(index != null) { - int result = index.get(name); - if(result != 0) { - addOrSet(graph, processor, result); - procedure.execute(graph, result); - return; - } - } - - addOrSet(graph, processor, new Integer(0)); - procedure.execute(graph, new Integer(0)); - - } - - @Override - public void exception(ReadGraphImpl graph, Throwable t) { - except(t); - procedure.exception(graph, t); - } - - }); - - } - - private static void lookup(ReadGraphImpl graph, final URIToResource entry, final InternalProcedure procedure, final String namespace, final String name) { - - NamespaceIndex.queryEach(graph, namespace, graph.processor, entry, null, new InternalProcedure>() { - - @Override - public void execute(ReadGraphImpl graph, TObjectIntHashMap index) { - - if(index != null) { - int result = index.get(name); - if(result != 0) { - if(entry != null) entry.addOrSet(graph, graph.processor, result); - procedure.execute(graph, result); - return; - } - } - - if(entry != null) entry.addOrSet(graph, graph.processor, new Integer(0)); - procedure.execute(graph, new Integer(0)); - - } - - @Override - public void exception(ReadGraphImpl graph, Throwable t) { - if(entry != null) entry.except(t); - procedure.exception(graph, t); - } - - }); - - } - - @Override - public void computeForEach(ReadGraphImpl graph, final QueryProcessor processor, final InternalProcedure procedure) { - -// new Exception("URIToResource " + id).printStackTrace(); - - if("http://".equals(id) || "http:/".equals(id)) { - - addOrSet(graph, processor, processor.getRootLibrary()); - procedure.execute(graph, processor.getRootLibrary()); - - } else { - - final String[] parts = URIStringUtils.splitURI(id); - if (parts != null) { - lookup(graph, processor, procedure, parts[0], parts[1]); - } else { - lookup(graph, processor, procedure, "http://", id.replaceFirst("http://", "")); - } - - } - - } - - final private static void computeForEach(ReadGraphImpl graph, String id, final URIToResource entry, final InternalProcedure procedure) { - - if("http://".equals(id) || "http:/".equals(id)) { - - QueryProcessor processor = graph.processor; - if(entry != null) entry.addOrSet(graph, processor, processor.getRootLibrary()); - procedure.execute(graph, processor.getRootLibrary()); - - } else { - - final String[] parts = URIStringUtils.splitURI(id); - if (parts != null) { - lookup(graph, entry, procedure, parts[0], parts[1]); - } else { - lookup(graph, entry, procedure, "http://", id.replaceFirst("http://", "")); - } - - } - - } - - public void addOrSet(ReadGraphImpl graph, QueryProcessor provider, Integer result) { - - assert(isPending()); - -// ArrayList> p = null; - - synchronized(this) { - - setResult(result); - setReady(); -// p = procs; -// procs = null; - - } - -// if(p != null) -// for(InternalProcedure proc : p) proc.execute(graph, result); - - } - - @Override - public String toString() { - return "URIToResource[" + id + "]"; - } - - @Override - public void performFromCache(ReadGraphImpl graph, QueryProcessor provider, InternalProcedure procedure) { - - assert(isReady()); - - if(handleException(graph, procedure)) return; - - if(isExcepted()) { - procedure.exception(graph, (Throwable)statusOrException); - } else { - procedure.execute(graph, (Integer)getResult()); - } - - } - - @Override - public void recompute(ReadGraphImpl graph, QueryProcessor provider) { - - final Semaphore s = new Semaphore(0); - - computeForEach(graph, provider, new InternalProcedure() { - - @Override - public void execute(ReadGraphImpl graph, Integer result) { - s.release(); - } - - @Override - public void exception(ReadGraphImpl graph, Throwable t) { - if(DebugException.DEBUG) new DebugException(t).printStackTrace(); - throw new Error("Error in recompute.", t); - } - - }); - - while(!s.tryAcquire()) { - provider.resume(graph); - } - - } - -} +/******************************************************************************* + * 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; + +import gnu.trove.map.hash.TObjectIntHashMap; + +import java.util.concurrent.Semaphore; + +import org.simantics.databoard.util.URIStringUtils; +import org.simantics.db.common.exception.DebugException; +import org.simantics.db.impl.graph.ReadGraphImpl; +import org.simantics.db.impl.procedure.InternalProcedure; +import org.simantics.db.procedure.ListenerBase; + +public class URIToResource extends StringQuery> { + +// public ArrayList> procs = null; + + private URIToResource(final String id) { + super(id); + } + + final static URIToResource entry(final QueryProcessor provider, final String id) { + return (URIToResource)provider.uriToResourceMap.get(id); + } + + final static void runner(ReadGraphImpl graph, final String id, CacheEntry parent, final ListenerBase listener, final InternalProcedure procedure) { + + QueryProcessor processor = graph.processor; + + URIToResource entry = (URIToResource)processor.uriToResourceMap.get(id); + if(entry == null) { + + entry = new URIToResource(id); + entry.setPending(); + entry.clearResult(processor.querySupport); + entry.putEntry(processor); + + processor.performForEach(graph, entry, parent, listener, procedure); + + } else { + + if(entry.isPending()) { + synchronized(entry) { + if(entry.isPending()) { + throw new IllegalStateException(); +// if(entry.procs == null) entry.procs = new ArrayList>(); +// entry.procs.add(procedure); +// processor.registerDependencies(graph, entry, parent, listener, procedure, false); +// return; + } + } + } + + processor.performForEach(graph, entry, parent, listener, procedure); + + } + + } + + final public static void queryEach(ReadGraphImpl graph, final String id, final CacheEntry parent, final ListenerBase listener, final InternalProcedure procedure) { + + assert(id != null); + + if(graph.parent == null && listener == null) { + URIToResource.computeForEach(graph, id, null, procedure); + } else { + runner(graph, id, parent, listener, procedure); + } + + } + + @Override + public URIToResource getEntry(QueryProcessor provider) { + return provider.uriToResourceMap.get(id); + } + + @Override + public void putEntry(QueryProcessor provider) { + provider.uriToResourceMap.put(id, this); + } + + @Override + final public void removeEntry(QueryProcessor provider) { + provider.uriToResourceMap.remove(id); + } + + private void lookup(ReadGraphImpl graph, final QueryProcessor processor, final InternalProcedure procedure, final String namespace, final String name) { + + NamespaceIndex.queryEach(graph, namespace, processor, this, null, new InternalProcedure>() { + + @Override + public void execute(ReadGraphImpl graph, TObjectIntHashMap index) { + + if(index != null) { + int result = index.get(name); + if(result != 0) { + addOrSet(graph, processor, result); + procedure.execute(graph, result); + return; + } + } + + addOrSet(graph, processor, new Integer(0)); + procedure.execute(graph, new Integer(0)); + + } + + @Override + public void exception(ReadGraphImpl graph, Throwable t) { + except(t); + procedure.exception(graph, t); + } + + }); + + } + + private static void lookup(ReadGraphImpl graph, final URIToResource entry, final InternalProcedure procedure, final String namespace, final String name) { + + NamespaceIndex.queryEach(graph, namespace, graph.processor, entry, null, new InternalProcedure>() { + + @Override + public void execute(ReadGraphImpl graph, TObjectIntHashMap index) { + + if(index != null) { + int result = index.get(name); + if(result != 0) { + if(entry != null) entry.addOrSet(graph, graph.processor, result); + procedure.execute(graph, result); + return; + } + } + + Integer zero = 0; + if(entry != null) entry.addOrSet(graph, graph.processor, zero); + procedure.execute(graph, zero); + + } + + @Override + public void exception(ReadGraphImpl graph, Throwable t) { + if(entry != null) entry.except(t); + procedure.exception(graph, t); + } + + }); + + } + + @Override + public void computeForEach(ReadGraphImpl graph, final QueryProcessor processor, final InternalProcedure procedure) { + +// new Exception("URIToResource " + id).printStackTrace(); + + if("http://".equals(id) || "http:/".equals(id)) { + + addOrSet(graph, processor, processor.getRootLibrary()); + procedure.execute(graph, processor.getRootLibrary()); + + } else { + + final String[] parts = URIStringUtils.splitURI(id); + if (parts != null) { + lookup(graph, processor, procedure, parts[0], parts[1]); + } else { + lookup(graph, processor, procedure, "http://", id.replaceFirst("http://", "")); + } + + } + + } + + final private static void computeForEach(ReadGraphImpl graph, String id, final URIToResource entry, final InternalProcedure procedure) { + + if("http://".equals(id) || "http:/".equals(id)) { + + QueryProcessor processor = graph.processor; + if(entry != null) entry.addOrSet(graph, processor, processor.getRootLibrary()); + procedure.execute(graph, processor.getRootLibrary()); + + } else { + + final String[] parts = URIStringUtils.splitURI(id); + if (parts != null) { + lookup(graph, entry, procedure, parts[0], parts[1]); + } else { + lookup(graph, entry, procedure, "http://", id.replaceFirst("http://", "")); + } + + } + + } + + public void addOrSet(ReadGraphImpl graph, QueryProcessor provider, Integer result) { + + assert(isPending()); + +// ArrayList> p = null; + + synchronized(this) { + + setResult(result); + setReady(); +// p = procs; +// procs = null; + + } + +// if(p != null) +// for(InternalProcedure proc : p) proc.execute(graph, result); + + } + + @Override + public String toString() { + return "URIToResource[" + id + "]"; + } + + @Override + public void performFromCache(ReadGraphImpl graph, QueryProcessor provider, InternalProcedure procedure) { + + assert(isReady()); + + if(handleException(graph, procedure)) return; + + if(isExcepted()) { + procedure.exception(graph, (Throwable)statusOrException); + } else { + procedure.execute(graph, (Integer)getResult()); + } + + } + + @Override + public void recompute(ReadGraphImpl graph, QueryProcessor provider) { + + final Semaphore s = new Semaphore(0); + + computeForEach(graph, provider, new InternalProcedure() { + + @Override + public void execute(ReadGraphImpl graph, Integer result) { + s.release(); + } + + @Override + public void exception(ReadGraphImpl graph, Throwable t) { + if(DebugException.DEBUG) new DebugException(t).printStackTrace(); + throw new Error("Error in recompute.", t); + } + + }); + + while(!s.tryAcquire()) { + provider.resume(graph); + } + + } + +}