-/*******************************************************************************\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 gnu.trove.map.hash.TIntShortHashMap;\r
-\r
-import org.simantics.db.exception.DatabaseException;\r
-import org.simantics.db.impl.TableSizeListener;\r
-import org.simantics.db.service.ClusterUID;\r
-import org.simantics.db.service.ResourceUID;\r
-\r
-public class ClusterMapSmall {\r
- private TableSizeListener sizeListener;\r
- private ForeignTableSmall foreignTable;\r
- //private TObjectIntHashMap<ResourceUID> hashMap;\r
- private TIntShortHashMap hashMap;\r
- public ClusterMapSmall(TableSizeListener sizeListener, ForeignTableSmall foreignTable) {\r
- this.sizeListener = sizeListener;\r
- this.foreignTable = foreignTable;\r
- hashMap = null;\r
- }\r
- public ResourceUID getForeignResourceUID(short reference) {\r
- assert(reference >>> 15 > 0);\r
- short foreignIndex = (short)(reference ^ 1<<15);\r
- return foreignTable.getResourceUID(foreignIndex);\r
- }\r
- public void compact() {\r
- if(hashMap == null) return;\r
- hashMap.compact();\r
- sizeListener.resized();\r
- }\r
- public int getUsedSpace() {\r
- if(hashMap == null) return 0;\r
- int size = hashMap.size();\r
- int cap = hashMap.capacity();\r
- // int[], Object[], actual objects\r
- return cap*(4+ObjectSizes.POINTER_SIZE)+size*ObjectSizes.ResourceUIDSize;\r
- }\r
- \r
- public short getForeignReferenceOrCreateByResourceKey(int resourceKey, ClusterUID uid) throws DatabaseException {\r
- if (null == hashMap)\r
- hashMap = foreignTable.getResourceHashMap();\r
- short foreignIndex = hashMap.get(resourceKey);\r
- if (0 == foreignIndex) {\r
- if (hashMap.size() >= ClusterTraitsSmall.FOREIGN_INDEX_MAX)\r
- throw new OutOfSpaceException("Out of space for foreign resources=" + hashMap.size());\r
- foreignIndex = foreignTable.createForeign(resourceKey, uid);\r
- hashMap.put(resourceKey, foreignIndex);\r
- }\r
- return foreignIndex;\r
- }\r
-\r
- public short getForeignReferenceOrZero(int resourceKey) throws DatabaseException {\r
- if (null == hashMap)\r
- hashMap = foreignTable.getResourceHashMap();\r
- return hashMap.get(resourceKey);\r
- }\r
- \r
- \r
-}\r
+/*******************************************************************************
+ * 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.procore.cluster;
+
+import gnu.trove.map.hash.TIntShortHashMap;
+
+import org.simantics.db.exception.DatabaseException;
+import org.simantics.db.impl.TableSizeListener;
+import org.simantics.db.service.ClusterUID;
+import org.simantics.db.service.ResourceUID;
+
+public class ClusterMapSmall {
+ private TableSizeListener sizeListener;
+ private ForeignTableSmall foreignTable;
+ //private TObjectIntHashMap<ResourceUID> hashMap;
+ private TIntShortHashMap hashMap;
+ public ClusterMapSmall(TableSizeListener sizeListener, ForeignTableSmall foreignTable) {
+ this.sizeListener = sizeListener;
+ this.foreignTable = foreignTable;
+ hashMap = null;
+ }
+ public ResourceUID getForeignResourceUID(short reference) {
+ assert(reference >>> 15 > 0);
+ short foreignIndex = (short)(reference ^ 1<<15);
+ return foreignTable.getResourceUID(foreignIndex);
+ }
+ public void compact() {
+ if(hashMap == null) return;
+ hashMap.compact();
+ sizeListener.resized();
+ }
+ public int getUsedSpace() {
+ if(hashMap == null) return 0;
+ int size = hashMap.size();
+ int cap = hashMap.capacity();
+ // int[], Object[], actual objects
+ return cap*(4+ObjectSizes.POINTER_SIZE)+size*ObjectSizes.ResourceUIDSize;
+ }
+
+ public short getForeignReferenceOrCreateByResourceKey(int resourceKey, ClusterUID uid) throws DatabaseException {
+ if (null == hashMap)
+ hashMap = foreignTable.getResourceHashMap();
+ short foreignIndex = hashMap.get(resourceKey);
+ if (0 == foreignIndex) {
+ if (hashMap.size() >= ClusterTraitsSmall.FOREIGN_INDEX_MAX)
+ throw new OutOfSpaceException("Out of space for foreign resources=" + hashMap.size());
+ foreignIndex = foreignTable.createForeign(resourceKey, uid);
+ hashMap.put(resourceKey, foreignIndex);
+ }
+ return foreignIndex;
+ }
+
+ public short getForeignReferenceOrZero(int resourceKey) throws DatabaseException {
+ if (null == hashMap)
+ hashMap = foreignTable.getResourceHashMap();
+ return hashMap.get(resourceKey);
+ }
+
+
+}