-/*******************************************************************************\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.layer0.utils.predicates;\r
-\r
-import java.util.ArrayList;\r
-import java.util.Arrays;\r
-import java.util.Collection;\r
-\r
-import org.simantics.db.Resource;\r
-import org.simantics.db.ReadGraph;\r
-import org.simantics.db.WriteGraph;\r
-import org.simantics.db.exception.DatabaseException;\r
-\r
-public class Conjunction extends UnaryPredicate {\r
-\r
- Collection<IUnaryPredicate> predicates;\r
- IUnaryPredicate support;\r
-\r
- public Conjunction(Collection<IUnaryPredicate> predicates) {\r
- for(IUnaryPredicate pred : predicates)\r
- if(pred.supportsUnboundedQuery()) {\r
- this.support = pred;\r
- this.predicates = new ArrayList<IUnaryPredicate>(predicates.size()-1);\r
- for(IUnaryPredicate pred2 : predicates)\r
- if(pred != pred2)\r
- this.predicates.add(pred2);\r
- return;\r
- }\r
- this.predicates = predicates;\r
- this.support = null;\r
- }\r
- \r
- public Conjunction(IUnaryPredicate ... predicates) {\r
- this(Arrays.asList(predicates));\r
- }\r
-\r
- @Override\r
- public Collection<Resource> getResources(ReadGraph g) throws DatabaseException {\r
- Collection<Resource> result = new ArrayList<Resource>();\r
- ll: for(Resource r : support.getResources(g)) { \r
- for(IUnaryPredicate pred : predicates)\r
- if(!pred.has(g, r))\r
- continue ll;\r
- result.add(r);\r
- }\r
- return result;\r
- }\r
-\r
- @Override\r
- public boolean has(ReadGraph g, Resource resource) throws DatabaseException {\r
- for(IUnaryPredicate pred : predicates)\r
- if(!pred.has(g, resource))\r
- return false;\r
- return support == null || support.has(g, resource);\r
- }\r
-\r
- @Override\r
- public boolean supportsUnboundedQuery() { \r
- return support != null;\r
- } \r
- \r
- @Override\r
- public void add(WriteGraph g, Resource r) {\r
- throw new UnsupportedOperationException();\r
- }\r
-\r
- @Override\r
- public void remove(WriteGraph g, Resource r) {\r
- throw new UnsupportedOperationException();\r
- }\r
-\r
- @Override\r
- public boolean supportsAddition() {\r
- return false;\r
- }\r
-\r
- @Override\r
- public boolean supportsRemoval() { \r
- return false;\r
- }\r
-\r
- @Override\r
- public int hashCode() {\r
- final int prime = 31;\r
- int result = 1;\r
- result = prime * result\r
- + ((predicates == null) ? 0 : predicates.hashCode());\r
- return result;\r
- }\r
-\r
- @Override\r
- public boolean equals(Object obj) {\r
- if (this == obj)\r
- return true;\r
- if (obj == null)\r
- return false;\r
- if (getClass() != obj.getClass())\r
- return false;\r
- Conjunction other = (Conjunction) obj;\r
- if (predicates == null) {\r
- if (other.predicates != null)\r
- return false;\r
- } else if (!predicates.equals(other.predicates))\r
- return false;\r
- return true;\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.layer0.utils.predicates;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collection;
+
+import org.simantics.db.Resource;
+import org.simantics.db.ReadGraph;
+import org.simantics.db.WriteGraph;
+import org.simantics.db.exception.DatabaseException;
+
+public class Conjunction extends UnaryPredicate {
+
+ Collection<IUnaryPredicate> predicates;
+ IUnaryPredicate support;
+
+ public Conjunction(Collection<IUnaryPredicate> predicates) {
+ for(IUnaryPredicate pred : predicates)
+ if(pred.supportsUnboundedQuery()) {
+ this.support = pred;
+ this.predicates = new ArrayList<IUnaryPredicate>(predicates.size()-1);
+ for(IUnaryPredicate pred2 : predicates)
+ if(pred != pred2)
+ this.predicates.add(pred2);
+ return;
+ }
+ this.predicates = predicates;
+ this.support = null;
+ }
+
+ public Conjunction(IUnaryPredicate ... predicates) {
+ this(Arrays.asList(predicates));
+ }
+
+ @Override
+ public Collection<Resource> getResources(ReadGraph g) throws DatabaseException {
+ Collection<Resource> result = new ArrayList<Resource>();
+ ll: for(Resource r : support.getResources(g)) {
+ for(IUnaryPredicate pred : predicates)
+ if(!pred.has(g, r))
+ continue ll;
+ result.add(r);
+ }
+ return result;
+ }
+
+ @Override
+ public boolean has(ReadGraph g, Resource resource) throws DatabaseException {
+ for(IUnaryPredicate pred : predicates)
+ if(!pred.has(g, resource))
+ return false;
+ return support == null || support.has(g, resource);
+ }
+
+ @Override
+ public boolean supportsUnboundedQuery() {
+ return support != null;
+ }
+
+ @Override
+ public void add(WriteGraph g, Resource r) {
+ throw new UnsupportedOperationException();
+ }
+
+ @Override
+ public void remove(WriteGraph g, Resource r) {
+ throw new UnsupportedOperationException();
+ }
+
+ @Override
+ public boolean supportsAddition() {
+ return false;
+ }
+
+ @Override
+ public boolean supportsRemoval() {
+ return false;
+ }
+
+ @Override
+ public int hashCode() {
+ final int prime = 31;
+ int result = 1;
+ result = prime * result
+ + ((predicates == null) ? 0 : predicates.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;
+ Conjunction other = (Conjunction) obj;
+ if (predicates == null) {
+ if (other.predicates != null)
+ return false;
+ } else if (!predicates.equals(other.predicates))
+ return false;
+ return true;
+ }
+
+}
Code Review / simantics / platform.git / blobdiff