X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=bundles%2Forg.simantics.db.impl%2Fsrc%2Forg%2Fsimantics%2Fdb%2Fimpl%2Fquery%2FBinaryQuery.java;fp=bundles%2Forg.simantics.db.impl%2Fsrc%2Forg%2Fsimantics%2Fdb%2Fimpl%2Fquery%2FBinaryQuery.java;h=710895cff44e086d709675252ded264885bb7035;hb=969bd23cab98a79ca9101af33334000879fb60c5;hp=0000000000000000000000000000000000000000;hpb=866dba5cd5a3929bbeae85991796acb212338a08;p=simantics%2Fplatform.git

diff --git a/bundles/org.simantics.db.impl/src/org/simantics/db/impl/query/BinaryQuery.java b/bundles/org.simantics.db.impl/src/org/simantics/db/impl/query/BinaryQuery.java
new file mode 100644
index 000000000..710895cff
--- /dev/null
+++ b/bundles/org.simantics.db.impl/src/org/simantics/db/impl/query/BinaryQuery.java
@@ -0,0 +1,86 @@
+/*******************************************************************************
+ * 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 org.simantics.db.impl.graph.ReadGraphImpl;
+import org.simantics.db.request.RequestFlags;
+
+
+abstract public class BinaryQuery<Procedure> extends CacheEntryBase implements Query {
+
+	final public long id;
+
+	public BinaryQuery(final long r1, final long r2) {
+        assert(r1 != 0);
+        assert(r2 != 0);
+        id = id(r1,r2);
+        assert(id != 0);
+    }
+	
+	@Override
+	int makeHash() {
+		return r1() ^ r2();
+	}
+	
+    final public int r1() {
+        return (int)(id>>>32);
+    }
+    
+    final public int r2() {
+        return (int)id;
+    }
+    
+    final protected static long id(long r1, long r2) {
+        long result = (r1<<32) | (r2 & 0xffffffffL); 
+        return result;
+    }
+    
+    @Override
+    public int type() {
+        return RequestFlags.INVALIDATE;
+    }
+    
+	@Override
+    final public boolean equals(Object object) {
+        if (this == object)
+            return true;
+        else if (object == null)
+            return false;
+        else if (getClass() != object.getClass())
+            return false;
+        BinaryQuery<?> other = (BinaryQuery<?>)object;
+        return id == other.id;
+    }
+	
+    @Override
+    final public Query getQuery() {
+        return this;
+    }
+    
+    @Override
+    public void recompute(ReadGraphImpl graph, Object provider, CacheEntry entry) {
+        recompute(graph, (QueryProcessor)provider);
+    }
+    
+    @Override
+    public void performFromCache(ReadGraphImpl graph, Object provider, Object procedure) {
+        performFromCache(graph, (QueryProcessor)provider, (Procedure)procedure);
+    }
+
+    abstract public void recompute(ReadGraphImpl graph, QueryProcessor provider);
+    abstract public void computeForEach(ReadGraphImpl graph, QueryProcessor provider, Procedure procedure, boolean store);
+    abstract public void performFromCache(ReadGraphImpl graph, QueryProcessor provider, Procedure procedure);
+    abstract public void putEntry(QueryProcessor provider);
+    abstract public void removeEntry(QueryProcessor provider);
+    abstract public BinaryQuery<Procedure> getEntry(QueryProcessor provider);
+
+}