Migrated source code from Simantics SVN

[simantics/platform.git] / bundles / org.simantics.db.procore / src / org / simantics / db / procore / cluster / ClusterTraitsSmall.java

diff --git a/bundles/org.simantics.db.procore/src/org/simantics/db/procore/cluster/ClusterTraitsSmall.java b/bundles/org.simantics.db.procore/src/org/simantics/db/procore/cluster/ClusterTraitsSmall.java
new file mode 100644 (file)
index 0000000..a30e701
--- /dev/null
+++ b/bundles/org.simantics.db.procore/src/org/simantics/db/procore/cluster/ClusterTraitsSmall.java
@@ -0,0 +1,47 @@
+/*******************************************************************************\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.procore.cluster;\r
+\r
+import org.simantics.db.exception.DatabaseException;\r
+import org.simantics.db.impl.ClusterI;\r
+import org.simantics.db.impl.ClusterTraitsBase;\r
+\r
+\r
+public final class ClusterTraitsSmall extends ClusterTraitsBase {\r
+    static final short FOREIGN_INDEX_BITS = 15;\r
+    static final short FOREIGN_INDEX_MAX = (1<<FOREIGN_INDEX_BITS)-1;\r
+    static final int VALUE_INDEX_BITS = 22;\r
+    static final int VALUE_INDEX_MAX = (1<<VALUE_INDEX_BITS)-1;\r
+    static final int VALUE_INDEX_EX = VALUE_INDEX_MAX; \r
+    static final int VALUE_SIZE_BITS = 15;\r
+    public static final int VALUE_SIZE_MAX = (1<<VALUE_SIZE_BITS)-1;\r
+    public static final short makeForeignRef(short foreignIndex) {\r
+        assert(foreignIndex <= FOREIGN_INDEX_MAX);\r
+        return (short)(foreignIndex | 1<<FOREIGN_INDEX_BITS);\r
+    }\r
+    public static short resourceRefGetForeignIndex(short resourceRef)\r
+    throws DatabaseException {\r
+        if (resourceRef >>> FOREIGN_INDEX_BITS == 0)\r
+            throw new DatabaseException("Local resource refence doesn't have foreing index. reference=" + resourceRef);\r
+        return (short)(resourceRef & FOREIGN_INDEX_MAX);\r
+    }\r
+    public static boolean resourceRefIsLocal(short resourceRef) {\r
+        return resourceRef > 0; \r
+    }\r
+    public static ClusterI.CompleteTypeEnum completeRefAndTypeGetType(int completeRefAndType) {\r
+        return ClusterI.CompleteTypeEnum.make((completeRefAndType >>> 16) & 0x3);\r
+    }\r
+    public static short completeRefAndTypeGetRef(int completeRefAndType) {\r
+        return (short)(completeRefAndType & (1<<16)-1);\r
+    }\r
+}\r
+\r