+/*******************************************************************************\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
+public class IntHashTrait {\r
+ public static final boolean isFree(int a) {\r
+ return FREE_VALUE == a;\r
+ }\r
+ public static final boolean isFull(int a) {\r
+ return (a & 0x7fffffff) != 0;\r
+ //return a != FREE_VALUE && a != REMOVED_VALUE;\r
+ }\r
+ public static final boolean isRemoved(int a) {\r
+ return REMOVED_VALUE == a;\r
+ }\r
+ public static final int setFree() {\r
+ return FREE_VALUE;\r
+ }\r
+ public static final int setFull(int a) {\r
+ assert(a != FREE_VALUE && a != REMOVED_VALUE);\r
+ return a;\r
+ }\r
+ public static int setRemoved() {\r
+ return REMOVED_VALUE;\r
+ }\r
+ private static final int FREE_VALUE = 0;\r
+ private static final int REMOVED_VALUE = 0x80000000;\r
+}\r