X-Git-Url: https://gerrit.simantics.org/r/gitweb?p=simantics%2Fplatform.git;a=blobdiff_plain;f=bundles%2Forg.simantics.layer0.utils%2Fsrc%2Forg%2Fsimantics%2Flayer0%2Futils%2Fpredicates%2FSuperRelation.java;h=7bd72c49fbf7898e46b16b4d0879edd3803e3a39;hp=0addae767307d9b29dc9220d1e60e5aaca9e6e2b;hb=refs%2Fchanges%2F38%2F238%2F2;hpb=24e2b34260f219f0d1644ca7a138894980e25b14 diff --git a/bundles/org.simantics.layer0.utils/src/org/simantics/layer0/utils/predicates/SuperRelation.java b/bundles/org.simantics.layer0.utils/src/org/simantics/layer0/utils/predicates/SuperRelation.java index 0addae767..7bd72c49f 100644 --- a/bundles/org.simantics.layer0.utils/src/org/simantics/layer0/utils/predicates/SuperRelation.java +++ b/bundles/org.simantics.layer0.utils/src/org/simantics/layer0/utils/predicates/SuperRelation.java @@ -1,101 +1,101 @@ -/******************************************************************************* - * 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.layer0.utils.predicates; - -import java.util.Collection; - -import org.simantics.db.ReadGraph; -import org.simantics.db.Resource; -import org.simantics.db.WriteGraph; -import org.simantics.db.exception.DatabaseException; -import org.simantics.layer0.Layer0; - -public class SuperRelation extends UnaryPredicate { - - Resource superrelation; - - public SuperRelation(Resource superrelation) { - this.superrelation = superrelation; - } - - @Override - public Collection getResources(ReadGraph g) { - throw new UnsupportedOperationException(); - } - - @Override - public boolean has(ReadGraph g, Resource resource) throws DatabaseException { - return g.isSubrelationOf(resource, superrelation); - } - - @Override - public boolean supportsUnboundedQuery() { - return false; - } - - @Override - public void add(WriteGraph g, Resource r) throws DatabaseException { - if(!g.isSubrelationOf(r, superrelation)) { - Layer0 b = Layer0.getInstance(g); - g.claim(r, b.SubrelationOf, superrelation); - if(!g.hasStatement(r, b.InverseOf)) { - Resource invR = g.newResource(); - g.claim(r, b.InverseOf, invR); - g.claim(invR, b.SubrelationOf, g.getInverse(superrelation)); - } - } - } - - @Override - public void remove(WriteGraph g, Resource r) throws DatabaseException { - // FIXME not implemented correctly - Layer0 b = Layer0.getInstance(g); - if(g.isSubrelationOf(r, superrelation)) - g.denyStatement(r, b.SubrelationOf, superrelation); - } - - @Override - public boolean supportsAddition() { - return true; - } - - @Override - public boolean supportsRemoval() { - return false; - } - - @Override - public int hashCode() { - final int prime = 31; - int result = 1; - result = prime * result + ((superrelation == null) ? 0 : superrelation.hashCode()); - return result; - } - - @Override - public boolean equals(Object obj) { - if (this == obj) - return true; - if (obj == null) - return false; - if (getClass() != obj.getClass()) - return false; - SuperRelation other = (SuperRelation) obj; - if (superrelation == null) { - if (other.superrelation != null) - return false; - } else if (!superrelation.equals(other.superrelation)) - return false; - return true; - } - -} +/******************************************************************************* + * 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.layer0.utils.predicates; + +import java.util.Collection; + +import org.simantics.db.ReadGraph; +import org.simantics.db.Resource; +import org.simantics.db.WriteGraph; +import org.simantics.db.exception.DatabaseException; +import org.simantics.layer0.Layer0; + +public class SuperRelation extends UnaryPredicate { + + Resource superrelation; + + public SuperRelation(Resource superrelation) { + this.superrelation = superrelation; + } + + @Override + public Collection getResources(ReadGraph g) { + throw new UnsupportedOperationException(); + } + + @Override + public boolean has(ReadGraph g, Resource resource) throws DatabaseException { + return g.isSubrelationOf(resource, superrelation); + } + + @Override + public boolean supportsUnboundedQuery() { + return false; + } + + @Override + public void add(WriteGraph g, Resource r) throws DatabaseException { + if(!g.isSubrelationOf(r, superrelation)) { + Layer0 b = Layer0.getInstance(g); + g.claim(r, b.SubrelationOf, superrelation); + if(!g.hasStatement(r, b.InverseOf)) { + Resource invR = g.newResource(); + g.claim(r, b.InverseOf, invR); + g.claim(invR, b.SubrelationOf, g.getInverse(superrelation)); + } + } + } + + @Override + public void remove(WriteGraph g, Resource r) throws DatabaseException { + // FIXME not implemented correctly + Layer0 b = Layer0.getInstance(g); + if(g.isSubrelationOf(r, superrelation)) + g.denyStatement(r, b.SubrelationOf, superrelation); + } + + @Override + public boolean supportsAddition() { + return true; + } + + @Override + public boolean supportsRemoval() { + return false; + } + + @Override + public int hashCode() { + final int prime = 31; + int result = 1; + result = prime * result + ((superrelation == null) ? 0 : superrelation.hashCode()); + return result; + } + + @Override + public boolean equals(Object obj) { + if (this == obj) + return true; + if (obj == null) + return false; + if (getClass() != obj.getClass()) + return false; + SuperRelation other = (SuperRelation) obj; + if (superrelation == null) { + if (other.superrelation != null) + return false; + } else if (!superrelation.equals(other.superrelation)) + return false; + return true; + } + +}