X-Git-Url: https://gerrit.simantics.org/r/gitweb?p=simantics%2Fplatform.git;a=blobdiff_plain;f=bundles%2Forg.simantics.db.procore%2Fsrc%2Forg%2Fsimantics%2Fdb%2Fprocore%2Fcluster%2FIntHashTrait.java;fp=bundles%2Forg.simantics.db.procore%2Fsrc%2Forg%2Fsimantics%2Fdb%2Fprocore%2Fcluster%2FIntHashTrait.java;h=02fd1a9e403c484bf92869058a1b7d92a6124264;hp=0000000000000000000000000000000000000000;hb=969bd23cab98a79ca9101af33334000879fb60c5;hpb=866dba5cd5a3929bbeae85991796acb212338a08 diff --git a/bundles/org.simantics.db.procore/src/org/simantics/db/procore/cluster/IntHashTrait.java b/bundles/org.simantics.db.procore/src/org/simantics/db/procore/cluster/IntHashTrait.java new file mode 100644 index 000000000..02fd1a9e4 --- /dev/null +++ b/bundles/org.simantics.db.procore/src/org/simantics/db/procore/cluster/IntHashTrait.java @@ -0,0 +1,37 @@ +/******************************************************************************* + * 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; + +public class IntHashTrait { + public static final boolean isFree(int a) { + return FREE_VALUE == a; + } + public static final boolean isFull(int a) { + return (a & 0x7fffffff) != 0; + //return a != FREE_VALUE && a != REMOVED_VALUE; + } + public static final boolean isRemoved(int a) { + return REMOVED_VALUE == a; + } + public static final int setFree() { + return FREE_VALUE; + } + public static final int setFull(int a) { + assert(a != FREE_VALUE && a != REMOVED_VALUE); + return a; + } + public static int setRemoved() { + return REMOVED_VALUE; + } + private static final int FREE_VALUE = 0; + private static final int REMOVED_VALUE = 0x80000000; +}