]> gerrit.simantics Code Review - simantics/platform.git/blobdiff - bundles/org.simantics.db.impl/src/org/simantics/db/impl/query/Types.java
DB query swapping to file system
[simantics/platform.git] / bundles / org.simantics.db.impl / src / org / simantics / db / impl / query / Types.java
index 2d3962aa177d2a33ae67b1b5fea6354fb53ca681..bb0d11a243193da746bb88804696317503dc941f 100644 (file)
-/*******************************************************************************\r
- * Copyright (c) 2007, 2010 Association for Decentralized Information Management\r
- * in Industry THTH ry.\r
- * All rights reserved. This program and the accompanying materials\r
- * are made available under the terms of the Eclipse Public License v1.0\r
- * which accompanies this distribution, and is available at\r
- * http://www.eclipse.org/legal/epl-v10.html\r
- *\r
- * Contributors:\r
- *     VTT Technical Research Centre of Finland - initial API and implementation\r
- *******************************************************************************/\r
-package org.simantics.db.impl.query;\r
-\r
-import gnu.trove.procedure.TIntProcedure;\r
-\r
-import java.util.concurrent.Semaphore;\r
-import java.util.concurrent.atomic.AtomicInteger;\r
-\r
-import org.simantics.db.impl.graph.ReadGraphImpl;\r
-import org.simantics.db.impl.procedure.InternalProcedure;\r
-import org.simantics.db.procedure.ListenerBase;\r
-\r
-final public class Types extends UnaryQuery<InternalProcedure<IntSet>> {\r
-    \r
-//     public ArrayList<InternalProcedure<IntSet>> procs;\r
-       \r
-    private Types(final int resource) {\r
-        super(resource);\r
-    }\r
-    \r
-    final static Types entry(final QueryProcessor provider, final int r) {\r
-        return (Types)provider.typesMap.get(r);\r
-    }\r
-    \r
-   final static void runner(ReadGraphImpl graph, final int r, final QueryProcessor provider, Types cached, final CacheEntry parent, final ListenerBase listener, final InternalProcedure<IntSet> procedure) {\r
-\r
-       Types entry = cached != null ? cached : (Types)provider.typesMap.get(r); \r
-        if(entry == null) {\r
-               \r
-               entry = new Types(r);\r
-               entry.setPending();\r
-               entry.clearResult(provider.querySupport);\r
-               entry.putEntry(provider);\r
-               \r
-            provider.performForEach(graph, entry, parent, listener, procedure);\r
-            \r
-        } else {\r
-\r
-               if(!entry.isReady()) {\r
-                   throw new IllegalStateException();\r
-            }\r
-            provider.performForEach(graph, entry, parent, listener, procedure);\r
-        }\r
-       \r
-    }\r
-    \r
-    final static IntSet runner2(ReadGraphImpl graph, final int r, final QueryProcessor provider, final CacheEntry parent) throws Throwable {\r
-\r
-       Types entry = (Types)provider.typesMap.get(r); \r
-        if(entry == null) {\r
-               \r
-               entry = new Types(r);\r
-               entry.setPending();\r
-               entry.clearResult(provider.querySupport);\r
-               entry.putEntry(provider);\r
-               \r
-            return (IntSet)provider.performForEach2(graph, entry, parent, null, null);\r
-            \r
-        } else {\r
-\r
-               if(!entry.isReady()) {\r
-                   throw new IllegalStateException();\r
-            }\r
-            return (IntSet)provider.performForEach2(graph, entry, parent, null, null);\r
-            \r
-        }\r
-       \r
-    }\r
-    \r
-    final public static void queryEach(ReadGraphImpl graph, final int r, final QueryProcessor provider, final CacheEntry parent, final ListenerBase listener, final InternalProcedure<IntSet> procedure) {\r
-        \r
-       final Types entry = (Types)provider.typesMap.get(r);\r
-       \r
-       if(parent == null && listener == null) {\r
-               if(entry != null && entry.isReady()) { \r
-                       entry.performFromCache(graph, provider, procedure);\r
-                       return;\r
-               }\r
-        }\r
-       \r
-        runner(graph, r, provider, entry, parent, listener, procedure);\r
-         \r
-    }\r
-\r
-    final public static IntSet queryEach2(ReadGraphImpl graph, final int r, final QueryProcessor provider, final CacheEntry parent) throws Throwable {\r
-        \r
-        if(parent == null) {\r
-            Types entry = (Types)provider.typesMap.get(r);\r
-            if(entry != null && entry.isReady()) {\r
-                return (IntSet)entry.get(graph, provider, null);\r
-            }\r
-        }\r
-        \r
-        return runner2(graph, r, provider, parent);\r
-         \r
-    }\r
-    \r
-       @Override\r
-       public UnaryQuery<InternalProcedure<IntSet>> getEntry(QueryProcessor provider) {\r
-        return provider.typesMap.get(id);\r
-       }\r
-       \r
-       @Override\r
-       public void putEntry(QueryProcessor provider) {\r
-        provider.typesMap.put(id, this);\r
-       }\r
-\r
-       @Override\r
-       final public void removeEntry(QueryProcessor provider) {\r
-               provider.typesMap.remove(id);\r
-       }\r
-\r
-       @Override\r
-       public Object computeForEach(final ReadGraphImpl graph, final QueryProcessor queryProvider, final InternalProcedure<IntSet> procedure, final boolean store) {\r
-\r
-               queryProvider.querySupport.ensureLoaded(graph, id);\r
-               int ret = queryProvider.querySupport.getSingleInstance(id);\r
-               if(ret > 0) {\r
-\r
-                       TypeHierarchy.queryEach(graph, ret, queryProvider, store ? Types.this : null, null, new InternalProcedure<IntSet>() {\r
-\r
-                               @Override\r
-                               public void execute(ReadGraphImpl graph, IntSet types) {\r
-\r
-                                       addOrSet(graph, types, queryProvider);\r
-                                       procedure.execute(graph, types);\r
-\r
-                               }\r
-\r
-                               @Override\r
-                               public void exception(ReadGraphImpl graph, Throwable t) {\r
-                                       procedure.exception(graph, t);\r
-                               }\r
-\r
-                       });\r
-\r
-                       return getResult();\r
-\r
-               }\r
-               \r
-               final int instanceOf = queryProvider.getInstanceOf();\r
-        final int inherits = queryProvider.getInherits();\r
-        final int subrelationOf = queryProvider.getSubrelationOf();\r
-\r
-        final IntSet result = new IntSet(queryProvider.querySupport);\r
-        \r
-        final TIntProcedure addToResult = new TIntProcedure() {\r
-            @Override\r
-            public boolean execute(int r) {\r
-               synchronized(result) {\r
-                       result.add(r);\r
-               }\r
-                return true;\r
-            }\r
-        };\r
-        \r
-        final AtomicInteger finishes = new AtomicInteger(0);\r
-        \r
-        SyncIntProcedure instanceOfProcedure = new SyncIntProcedure() {\r
-            \r
-            @Override\r
-            public void run(ReadGraphImpl graph) {\r
-               \r
-                if(finishes.addAndGet(1) == 3) {\r
-                    if(store) addOrSet(graph, result, queryProvider);\r
-                    procedure.execute(graph, result);\r
-               }\r
-                \r
-            }\r
-            \r
-            @Override\r
-            public void execute(ReadGraphImpl graph, int i) {\r
-                \r
-               synchronized(result) {\r
-                       result.add(i);\r
-               }\r
-                \r
-                inc();\r
-\r
-                SuperTypes.queryEach(graph, i, queryProvider, store ? Types.this : null, null, new InternalProcedure<IntSet>() {\r
-\r
-                    @Override\r
-                    public void execute(ReadGraphImpl graph, IntSet types) {\r
-                        types.forEach(addToResult);\r
-                        dec(graph);\r
-                    }\r
-                               \r
-                               @Override\r
-                               public void exception(ReadGraphImpl graph, Throwable t) {\r
-                                       procedure.exception(graph, t);\r
-                        dec(graph);\r
-                   }\r
-\r
-                });\r
-                \r
-            }\r
-\r
-            @Override\r
-            public void finished(ReadGraphImpl graph) {\r
-                dec(graph);\r
-            }\r
-            \r
-        }; \r
-        \r
-        SyncIntProcedure inheritsProcedure = new SyncIntProcedure() {\r
-            \r
-            @Override\r
-            public void run(ReadGraphImpl graph) {\r
-\r
-               int current = finishes.addAndGet(1);\r
-               if(current == 3) {\r
-                    if(store) addOrSet(graph, result, queryProvider);\r
-                    procedure.execute(graph, result);\r
-               }\r
-                \r
-            }\r
-            \r
-            @Override\r
-            public void execute(ReadGraphImpl graph, int i) {\r
-                \r
-                inc();\r
-\r
-                Types.queryEach(graph, i, queryProvider, store ? Types.this : null, null, new InternalProcedure<IntSet>() {\r
-\r
-                    @Override\r
-                    public void execute(ReadGraphImpl graph, IntSet types) {\r
-                        types.forEach(addToResult);\r
-                        dec(graph);\r
-                    }\r
-                               \r
-                               @Override\r
-                               public void exception(ReadGraphImpl graph, Throwable t) {\r
-                                       procedure.exception(graph, t);\r
-                        dec(graph);\r
-                   }\r
-\r
-                });\r
-                \r
-            }\r
-\r
-            @Override\r
-            public void finished(ReadGraphImpl graph) {\r
-\r
-                dec(graph);\r
-\r
-            }\r
-            \r
-        }; \r
-\r
-        SyncIntProcedure subrelationOfProcedure = new SyncIntProcedure() {\r
-\r
-            @Override\r
-            public void run(ReadGraphImpl graph) {\r
-\r
-               int current = finishes.addAndGet(1);\r
-               if(current == 3) {\r
-                    if(store) addOrSet(graph, result, queryProvider);\r
-                    procedure.execute(graph, result);\r
-               }\r
-                \r
-            }\r
-            \r
-            @Override\r
-            public void execute(ReadGraphImpl graph, int i) {\r
-                \r
-                inc();\r
-                \r
-                Types.queryEach(graph, i, queryProvider, store ? Types.this : null, null, new InternalProcedure<IntSet>() {\r
-\r
-                    @Override\r
-                    public void execute(ReadGraphImpl graph, IntSet types) {\r
-\r
-                        types.forEach(addToResult);\r
-                        dec(graph);\r
-                        \r
-                    }\r
-                               \r
-                               @Override\r
-                               public void exception(ReadGraphImpl graph, Throwable t) {\r
-                                       procedure.exception(graph, t);\r
-                        dec(graph);\r
-                   }\r
-\r
-                });\r
-                \r
-            }\r
-\r
-            @Override\r
-            public void finished(ReadGraphImpl graph) {\r
-                \r
-                dec(graph);\r
-\r
-            }\r
-            \r
-        }; \r
-        \r
-        queryProvider.querySupport.getObjects(graph, id, instanceOf, instanceOfProcedure);\r
-        instanceOfProcedure.finished(graph);\r
-        queryProvider.querySupport.getObjects(graph, id, inherits, inheritsProcedure);\r
-        inheritsProcedure.finished(graph);\r
-        queryProvider.querySupport.getObjects(graph, id, subrelationOf, subrelationOfProcedure);\r
-        subrelationOfProcedure.finished(graph);\r
-        \r
-        return result;\r
-        \r
-    }\r
-    \r
-    @Override\r
-    public String toString() {\r
-       return "Types[" + id + "]";\r
-    }\r
-    \r
-    private void addOrSet(ReadGraphImpl graph, final IntSet value, QueryProcessor provider) {\r
-       \r
-        assert(!isReady());\r
-\r
-        synchronized(this) {\r
-        \r
-            value.trim();\r
-            setResult(value);\r
-            setReady();\r
-        \r
-        }\r
-        \r
-    }\r
-    \r
-    @Override\r
-    final public Object performFromCache(ReadGraphImpl graph, QueryProcessor provider, InternalProcedure<IntSet> procedure) {\r
-        \r
-       assert(isReady());\r
-       \r
-       if(handleException(graph, procedure)) return EXCEPTED;\r
-       \r
-       IntSet result = getResult();\r
-       \r
-        procedure.execute(graph, result);\r
-        \r
-        return result;\r
-        \r
-    }\r
-    \r
-    @Override\r
-    public void recompute(ReadGraphImpl graph, QueryProcessor provider) {\r
-        \r
-        final Semaphore s = new Semaphore(0);\r
-\r
-        computeForEach(graph, provider, new InternalProcedure<IntSet>() {\r
-\r
-               @Override\r
-               public void execute(ReadGraphImpl graph, IntSet result) {\r
-                s.release();\r
-               }\r
-\r
-            @Override\r
-            public void exception(ReadGraphImpl graph, Throwable t) {\r
-               s.release();\r
-                new Error("Error in recompute.", t).printStackTrace();\r
-            }\r
-\r
-        }, true);\r
-\r
-        while(!s.tryAcquire()) {\r
-               provider.resume(graph);\r
-        }\r
-        \r
-    }\r
-\r
-    @Override\r
-    boolean isImmutable(ReadGraphImpl graph) {\r
-       return graph.processor.isImmutable(id);\r
-    }\r
-    \r
-}\r
+/*******************************************************************************
+ * 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 java.util.concurrent.atomic.AtomicInteger;
+
+import org.simantics.db.exception.DatabaseException;
+import org.simantics.db.impl.graph.ReadGraphImpl;
+import org.simantics.db.impl.procedure.InternalProcedure;
+
+import gnu.trove.procedure.TIntProcedure;
+
+public final class Types extends UnaryQueryPIntSet {
+
+    Types(int resource) {
+        super(resource);
+    }
+
+    @Override
+    public final void removeEntry(QueryProcessor provider) {
+        provider.cache.remove(this);
+    }
+
+    @Override
+    public void compute(final ReadGraphImpl graph, final InternalProcedure<IntSet> procedure) throws DatabaseException {
+        computeForEach(graph, id, this, procedure);
+    }
+
+    public static void computeForEach(final ReadGraphImpl graph, int id, Types entry,
+            final InternalProcedure<IntSet> procedure_) throws DatabaseException {
+
+        InternalProcedure<IntSet> procedure = entry != null ? entry : procedure_;
+
+        computeForEach2(graph, id, entry, procedure);
+
+        if (entry != null)
+            entry.performFromCache(graph, procedure_);
+
+    }
+
+    public static void computeForEach2(final ReadGraphImpl graph, int id, Types parent,
+            final InternalProcedure<IntSet> procedure) throws DatabaseException {
+
+        QueryProcessor processor = graph.processor;
+
+        processor.querySupport.ensureLoaded(graph, id);
+
+        int ret = processor.querySupport.getSingleInstance(id);
+        if (ret > 0) {
+
+            TypeHierarchy.queryEach(graph, ret, processor, parent, null, new InternalProcedure<IntSet>() {
+
+                @Override
+                public void execute(ReadGraphImpl graph, IntSet types) throws DatabaseException {
+                    procedure.execute(graph, types);
+                }
+
+                @Override
+                public void exception(ReadGraphImpl graph, Throwable t) throws DatabaseException {
+                    procedure.exception(graph, t);
+                }
+
+            });
+
+            return;
+
+        }
+
+        final int instanceOf = processor.getInstanceOf();
+        final int inherits = processor.getInherits();
+        final int subrelationOf = processor.getSubrelationOf();
+
+        final IntSet result = new IntSet(processor.querySupport);
+
+        final TIntProcedure addToResult = new TIntProcedure() {
+            @Override
+            public boolean execute(int r) {
+                synchronized (result) {
+                    result.add(r);
+                }
+                return true;
+            }
+        };
+
+        final AtomicInteger finishes = new AtomicInteger(0);
+
+        SyncIntProcedure instanceOfProcedure = new SyncIntProcedure() {
+
+            @Override
+            public void run(ReadGraphImpl graph) throws DatabaseException {
+
+                if (finishes.addAndGet(1) == 3) {
+                    procedure.execute(graph, result);
+                }
+
+            }
+
+            @Override
+            public void execute(ReadGraphImpl graph, int i) throws DatabaseException {
+
+                result.add(i);
+
+                inc();
+
+                QueryCache.runnerSuperTypes(graph, i, parent, null, new InternalProcedure<IntSet>() {
+
+                    @Override
+                    public void execute(ReadGraphImpl graph, IntSet types) throws DatabaseException {
+                        types.forEach(addToResult);
+                        dec(graph);
+                    }
+
+                    @Override
+                    public void exception(ReadGraphImpl graph, Throwable t) throws DatabaseException {
+                        procedure.exception(graph, t);
+                        dec(graph);
+                    }
+
+                });
+
+            }
+
+            @Override
+            public void finished(ReadGraphImpl graph) throws DatabaseException {
+                dec(graph);
+            }
+
+        };
+
+        SyncIntProcedure inheritsProcedure = new SyncIntProcedure() {
+
+            @Override
+            public void run(ReadGraphImpl graph) throws DatabaseException {
+
+                int current = finishes.addAndGet(1);
+                if (current == 3) {
+                    procedure.execute(graph, result);
+                }
+
+            }
+
+            @Override
+            public void execute(ReadGraphImpl graph, int i) throws DatabaseException {
+
+                inc();
+
+                QueryCache.runnerTypes(graph, i, parent, null, new InternalProcedure<IntSet>() {
+
+                    @Override
+                    public void execute(ReadGraphImpl graph, IntSet types) throws DatabaseException {
+                        types.forEach(addToResult);
+                        dec(graph);
+                    }
+
+                    @Override
+                    public void exception(ReadGraphImpl graph, Throwable t) throws DatabaseException {
+                        procedure.exception(graph, t);
+                        dec(graph);
+                    }
+
+                });
+
+            }
+
+            @Override
+            public void finished(ReadGraphImpl graph) throws DatabaseException {
+
+                dec(graph);
+
+            }
+
+        };
+
+        SyncIntProcedure subrelationOfProcedure = new SyncIntProcedure() {
+
+            @Override
+            public void run(ReadGraphImpl graph) throws DatabaseException {
+
+                int current = finishes.addAndGet(1);
+                if (current == 3) {
+                    procedure.execute(graph, result);
+                }
+
+            }
+
+            @Override
+            public void execute(ReadGraphImpl graph, int i) throws DatabaseException {
+
+                inc();
+
+                QueryCache.runnerTypes(graph, i, parent, null, new InternalProcedure<IntSet>() {
+
+                    @Override
+                    public void execute(ReadGraphImpl graph, IntSet types) throws DatabaseException {
+
+                        types.forEach(addToResult);
+                        dec(graph);
+
+                    }
+
+                    @Override
+                    public void exception(ReadGraphImpl graph, Throwable t) throws DatabaseException {
+                        procedure.exception(graph, t);
+                        dec(graph);
+                    }
+
+                });
+
+            }
+
+            @Override
+            public void finished(ReadGraphImpl graph) throws DatabaseException {
+
+                dec(graph);
+
+            }
+
+        };
+
+        processor.querySupport.getObjects(graph, id, instanceOf, instanceOfProcedure);
+        instanceOfProcedure.finished(graph);
+        processor.querySupport.getObjects(graph, id, inherits, inheritsProcedure);
+        inheritsProcedure.finished(graph);
+        processor.querySupport.getObjects(graph, id, subrelationOf, subrelationOfProcedure);
+        subrelationOfProcedure.finished(graph);
+
+    }
+
+    @Override
+    public String toString() {
+        return "Types[" + id + "]";
+    }
+
+}