-/*******************************************************************************\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 ClusterTraits extends ClusterTraitsBase {\r
- private static final int FOREIGN_INDEX_BITS = 16;\r
- private static final int FOREIGN_INDEX_MAX = (1<<FOREIGN_INDEX_BITS)-1;\r
- private static final int CLUSTER_INDEX_BITS = 16;\r
- private static final int CLUSTER_INDEX_MAX = (1<<CLUSTER_INDEX_BITS)-1;\r
- private static final int TYPE_BITS = 2;\r
- private static final int NOTYPE_BITS = 32 - TYPE_BITS;\r
-// private static final int CLUSTER_RESERVED_BITS = 15;\r
-// private static final long CLUSTER_RESERVED_BITS2ZERO = ((long)1 << CLUSTER_RESERVED_BITS) - 1; \r
- public static final int createForeignReference(int foreignIndex, int resourceIndex)\r
- throws DatabaseException {\r
- if (foreignIndex < 1 || foreignIndex > FOREIGN_INDEX_MAX)\r
- throw new DatabaseException("Illegal foreign index " + foreignIndex);\r
- if (isIllegalResourceIndex(resourceIndex))\r
- throw new DatabaseException("Illegal resource index " + resourceIndex);\r
- return (resourceIndex<<FOREIGN_INDEX_BITS | foreignIndex)| 0x80000000;\r
- }\r
- public static int referenceGetType(int ref) {\r
- return ref >>> NOTYPE_BITS;\r
- }\r
- public static final boolean isFlat(int reference) {\r
- return reference < 0 && (reference & 0x40000000) != 0;\r
- }\r
- public static final boolean isLocal(int reference) {\r
- return (reference & 0xC0000000) == 0;\r
- }\r
- public static final int getForeignIndexFromReference(int reference)\r
- throws DatabaseException {\r
- int foreignIndex = reference & 0x0000FFFF;\r
- if (0 == foreignIndex)\r
- throw new DatabaseException("Illegal foreign index " + foreignIndex);\r
- return foreignIndex;\r
- }\r
- public static final int getResourceIndexFromForeignReference(int reference) \r
- throws DatabaseException {\r
- int resourceIndex = (reference & 0x7FFFFFFF) >> FOREIGN_INDEX_BITS;\r
- if (isIllegalResourceIndex(resourceIndex))\r
- throw new DatabaseException("Illegal foreign reference " + reference);\r
- return resourceIndex;\r
- }\r
- public static final boolean statementIndexIsDirect(int index) {\r
- return (index & 0xC0000000) != 0x40000000;\r
- }\r
- public static final int statementIndexMake(int index)\r
- throws DatabaseException {\r
- assert(index > 0);\r
- if ((index & 0xC0000000) != 0)\r
- throw new DatabaseException("Illegal statement index " + index);\r
- return index | 0x40000000;\r
- }\r
- public static final int statementIndexGet(int index)\r
- throws DatabaseException {\r
- if ((index & 0xC0000000) == 0x40000000)\r
- return index & 0x3FFFFFFF;\r
- else\r
- return index;\r
- }\r
- public static boolean completeReferenceIsLocal(int completeRef) {\r
- boolean complete = (completeRef & 0xC0000000) != 0;\r
- return complete && ((completeRef & 0x0000FFFF) == 0);\r
- }\r
- public static boolean completeReferenceIsMultiple(int completeRef) {\r
- boolean complete = (completeRef & 0xC0000000) != 0;\r
- return !complete && (completeRef != 0);\r
- }\r
- public static int completeReferenceGetResourceIndex(int completeRef) {\r
- int low = (completeRef & 0x3FFFFFFF) >>> CLUSTER_INDEX_BITS;\r
- return low & 0x00003FFFF;\r
- }\r
- public static int completeReferenceGetForeignIndex(int completeRef) {\r
- return completeRef & 0x0000FFFF;\r
- }\r
- public static ClusterI.CompleteTypeEnum completeReferenceGetType(int completeRef) {\r
- return ClusterI.CompleteTypeEnum.make(completeRef >>> NOTYPE_BITS);\r
- }\r
- public static int completeReferenceMake(int type, int resourceIndex, int clusterIndex) {\r
- assert(type < (1<<TYPE_BITS));\r
- assert(!isIllegalResourceIndex(resourceIndex));\r
- assert(clusterIndex <= CLUSTER_INDEX_MAX);\r
- int ref = (type << NOTYPE_BITS) | (resourceIndex << CLUSTER_INDEX_BITS) | clusterIndex;\r
- return ref;\r
- }\r
- public static int completeReferenceMake(int type, int setIndex) {\r
- assert(type < (1<<TYPE_BITS));\r
- assert(setIndex < (1<<NOTYPE_BITS));\r
- int ref = (type << NOTYPE_BITS) | setIndex;\r
- return ref;\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 org.simantics.db.exception.DatabaseException;
+import org.simantics.db.impl.ClusterI;
+import org.simantics.db.impl.ClusterTraitsBase;
+
+
+public final class ClusterTraits extends ClusterTraitsBase {
+ private static final int FOREIGN_INDEX_BITS = 16;
+ private static final int FOREIGN_INDEX_MAX = (1<<FOREIGN_INDEX_BITS)-1;
+ private static final int CLUSTER_INDEX_BITS = 16;
+ private static final int CLUSTER_INDEX_MAX = (1<<CLUSTER_INDEX_BITS)-1;
+ private static final int TYPE_BITS = 2;
+ private static final int NOTYPE_BITS = 32 - TYPE_BITS;
+// private static final int CLUSTER_RESERVED_BITS = 15;
+// private static final long CLUSTER_RESERVED_BITS2ZERO = ((long)1 << CLUSTER_RESERVED_BITS) - 1;
+ public static final int createForeignReference(int foreignIndex, int resourceIndex)
+ throws DatabaseException {
+ if (foreignIndex < 1 || foreignIndex > FOREIGN_INDEX_MAX)
+ throw new DatabaseException("Illegal foreign index " + foreignIndex);
+ if (isIllegalResourceIndex(resourceIndex))
+ throw new DatabaseException("Illegal resource index " + resourceIndex);
+ return (resourceIndex<<FOREIGN_INDEX_BITS | foreignIndex)| 0x80000000;
+ }
+ public static int referenceGetType(int ref) {
+ return ref >>> NOTYPE_BITS;
+ }
+ public static final boolean isFlat(int reference) {
+ return reference < 0 && (reference & 0x40000000) != 0;
+ }
+ public static final boolean isLocal(int reference) {
+ return (reference & 0xC0000000) == 0;
+ }
+ public static final int getForeignIndexFromReference(int reference)
+ throws DatabaseException {
+ int foreignIndex = reference & 0x0000FFFF;
+ if (0 == foreignIndex)
+ throw new DatabaseException("Illegal foreign index " + foreignIndex);
+ return foreignIndex;
+ }
+ public static final int getResourceIndexFromForeignReference(int reference)
+ throws DatabaseException {
+ int resourceIndex = (reference & 0x7FFFFFFF) >> FOREIGN_INDEX_BITS;
+ if (isIllegalResourceIndex(resourceIndex))
+ throw new DatabaseException("Illegal foreign reference " + reference);
+ return resourceIndex;
+ }
+ public static final boolean statementIndexIsDirect(int index) {
+ return (index & 0xC0000000) != 0x40000000;
+ }
+ public static final int statementIndexMake(int index)
+ throws DatabaseException {
+ assert(index > 0);
+ if ((index & 0xC0000000) != 0)
+ throw new DatabaseException("Illegal statement index " + index);
+ return index | 0x40000000;
+ }
+ public static final int statementIndexGet(int index)
+ throws DatabaseException {
+ if ((index & 0xC0000000) == 0x40000000)
+ return index & 0x3FFFFFFF;
+ else
+ return index;
+ }
+ public static boolean completeReferenceIsLocal(int completeRef) {
+ boolean complete = (completeRef & 0xC0000000) != 0;
+ return complete && ((completeRef & 0x0000FFFF) == 0);
+ }
+ public static boolean completeReferenceIsMultiple(int completeRef) {
+ boolean complete = (completeRef & 0xC0000000) != 0;
+ return !complete && (completeRef != 0);
+ }
+ public static int completeReferenceGetResourceIndex(int completeRef) {
+ int low = (completeRef & 0x3FFFFFFF) >>> CLUSTER_INDEX_BITS;
+ return low & 0x00003FFFF;
+ }
+ public static int completeReferenceGetForeignIndex(int completeRef) {
+ return completeRef & 0x0000FFFF;
+ }
+ public static ClusterI.CompleteTypeEnum completeReferenceGetType(int completeRef) {
+ return ClusterI.CompleteTypeEnum.make(completeRef >>> NOTYPE_BITS);
+ }
+ public static int completeReferenceMake(int type, int resourceIndex, int clusterIndex) {
+ assert(type < (1<<TYPE_BITS));
+ assert(!isIllegalResourceIndex(resourceIndex));
+ assert(clusterIndex <= CLUSTER_INDEX_MAX);
+ int ref = (type << NOTYPE_BITS) | (resourceIndex << CLUSTER_INDEX_BITS) | clusterIndex;
+ return ref;
+ }
+ public static int completeReferenceMake(int type, int setIndex) {
+ assert(type < (1<<TYPE_BITS));
+ assert(setIndex < (1<<NOTYPE_BITS));
+ int ref = (type << NOTYPE_BITS) | setIndex;
+ return ref;
+ }
+}
Code Review / simantics / platform.git / blobdiff