-/*******************************************************************************\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.binaryPredicates;\r
-\r
-import java.util.Arrays;\r
-import java.util.Collection;\r
-import java.util.Collections;\r
-import java.util.HashSet;\r
-import java.util.Iterator;\r
-import java.util.Set;\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
-import org.simantics.utils.datastructures.Pair;\r
-\r
-public class UnionPredicate extends BinaryPredicate {\r
-\r
- Collection<IBinaryPredicate> predicates;\r
-\r
- public UnionPredicate(Collection<IBinaryPredicate> predicates) {\r
- this.predicates = predicates;\r
- }\r
- \r
- public UnionPredicate(IBinaryPredicate ... predicates) {\r
- this(Arrays.asList(predicates));\r
- }\r
-\r
- @Override\r
- public Collection<Resource> getObjects(ReadGraph g, Resource subject) throws DatabaseException {\r
- Iterator<IBinaryPredicate> it = predicates.iterator();\r
- \r
- while(it.hasNext()) {\r
- Collection<Resource> result = it.next().getObjects(g, subject);\r
- if(!result.isEmpty()) {\r
- while(it.hasNext()) {\r
- Collection<Resource> temp = it.next().getObjects(g, subject);\r
- if(!temp.isEmpty()) {\r
- Set<Resource> merged = new HashSet<Resource>(result.size() + temp.size());\r
- merged.addAll(result);\r
- merged.addAll(temp);\r
- while(it.hasNext())\r
- merged.addAll(it.next().getObjects(g, subject));\r
- return merged;\r
- }\r
- }\r
- return result;\r
- }\r
- }\r
- return Collections.emptyList();\r
- }\r
-\r
- @Override\r
- public Collection<Pair<Resource, Resource>> getStatements(ReadGraph g) throws DatabaseException {\r
- Iterator<IBinaryPredicate> it = predicates.iterator();\r
- \r
- while(it.hasNext()) {\r
- Collection<Pair<Resource, Resource>> result = it.next().getStatements(g);\r
- if(!result.isEmpty()) {\r
- while(it.hasNext()) {\r
- Collection<Pair<Resource, Resource>> temp = it.next().getStatements(g);\r
- if(!temp.isEmpty()) {\r
- Set<Pair<Resource, Resource>> merged = new HashSet<Pair<Resource, Resource>>(result.size() + temp.size());\r
- merged.addAll(result);\r
- merged.addAll(temp);\r
- while(it.hasNext())\r
- merged.addAll(it.next().getStatements(g));\r
- return merged;\r
- }\r
- }\r
- return result;\r
- }\r
- }\r
- return Collections.emptyList();\r
- }\r
-\r
- @Override\r
- public Collection<Resource> getSubjects(ReadGraph g, Resource object) throws DatabaseException {\r
- Iterator<IBinaryPredicate> it = predicates.iterator();\r
- \r
- while(it.hasNext()) {\r
- Collection<Resource> result = it.next().getSubjects(g, object);\r
- if(!result.isEmpty()) {\r
- while(it.hasNext()) {\r
- Collection<Resource> temp = it.next().getSubjects(g, object);\r
- if(!temp.isEmpty()) {\r
- Set<Resource> merged = new HashSet<Resource>(result.size() + temp.size());\r
- merged.addAll(result);\r
- merged.addAll(temp);\r
- while(it.hasNext())\r
- merged.addAll(it.next().getSubjects(g, object));\r
- return merged;\r
- }\r
- }\r
- return result;\r
- }\r
- }\r
- return Collections.emptyList();\r
- }\r
-\r
- @Override\r
- public boolean has(ReadGraph g, Resource subject, Resource object) throws DatabaseException {\r
- for(IBinaryPredicate pred : predicates)\r
- if(pred.has(g, subject, object))\r
- return true;\r
- return false;\r
- }\r
-\r
- @Override\r
- public boolean supportsGetObjects() {\r
- for(IBinaryPredicate pred : predicates)\r
- if(!pred.supportsGetObjects())\r
- return false;\r
- return true;\r
- }\r
-\r
- @Override\r
- public boolean supportsGetStatements() {\r
- for(IBinaryPredicate pred : predicates)\r
- if(!pred.supportsGetStatements())\r
- return false;\r
- return true;\r
- }\r
-\r
- @Override\r
- public boolean supportsGetSubjects() {\r
- for(IBinaryPredicate pred : predicates)\r
- if(!pred.supportsGetSubjects())\r
- return false;\r
- return true;\r
- }\r
-\r
- @Override\r
- public void add(WriteGraph g, Resource subject, Resource object) {\r
- throw new UnsupportedOperationException();\r
- }\r
-\r
- @Override\r
- public void remove(WriteGraph g, Resource subject, Resource object) {\r
- throw new UnsupportedOperationException();\r
- }\r
-\r
- @Override\r
- public boolean supportsAdditions() {\r
- return false;\r
- }\r
-\r
- @Override\r
- public boolean supportsRemovals() {\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
- UnionPredicate other = (UnionPredicate) 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.binaryPredicates;
+
+import java.util.Arrays;
+import java.util.Collection;
+import java.util.Collections;
+import java.util.HashSet;
+import java.util.Iterator;
+import java.util.Set;
+
+import org.simantics.db.Resource;
+import org.simantics.db.ReadGraph;
+import org.simantics.db.WriteGraph;
+import org.simantics.db.exception.DatabaseException;
+import org.simantics.utils.datastructures.Pair;
+
+public class UnionPredicate extends BinaryPredicate {
+
+ Collection<IBinaryPredicate> predicates;
+
+ public UnionPredicate(Collection<IBinaryPredicate> predicates) {
+ this.predicates = predicates;
+ }
+
+ public UnionPredicate(IBinaryPredicate ... predicates) {
+ this(Arrays.asList(predicates));
+ }
+
+ @Override
+ public Collection<Resource> getObjects(ReadGraph g, Resource subject) throws DatabaseException {
+ Iterator<IBinaryPredicate> it = predicates.iterator();
+
+ while(it.hasNext()) {
+ Collection<Resource> result = it.next().getObjects(g, subject);
+ if(!result.isEmpty()) {
+ while(it.hasNext()) {
+ Collection<Resource> temp = it.next().getObjects(g, subject);
+ if(!temp.isEmpty()) {
+ Set<Resource> merged = new HashSet<Resource>(result.size() + temp.size());
+ merged.addAll(result);
+ merged.addAll(temp);
+ while(it.hasNext())
+ merged.addAll(it.next().getObjects(g, subject));
+ return merged;
+ }
+ }
+ return result;
+ }
+ }
+ return Collections.emptyList();
+ }
+
+ @Override
+ public Collection<Pair<Resource, Resource>> getStatements(ReadGraph g) throws DatabaseException {
+ Iterator<IBinaryPredicate> it = predicates.iterator();
+
+ while(it.hasNext()) {
+ Collection<Pair<Resource, Resource>> result = it.next().getStatements(g);
+ if(!result.isEmpty()) {
+ while(it.hasNext()) {
+ Collection<Pair<Resource, Resource>> temp = it.next().getStatements(g);
+ if(!temp.isEmpty()) {
+ Set<Pair<Resource, Resource>> merged = new HashSet<Pair<Resource, Resource>>(result.size() + temp.size());
+ merged.addAll(result);
+ merged.addAll(temp);
+ while(it.hasNext())
+ merged.addAll(it.next().getStatements(g));
+ return merged;
+ }
+ }
+ return result;
+ }
+ }
+ return Collections.emptyList();
+ }
+
+ @Override
+ public Collection<Resource> getSubjects(ReadGraph g, Resource object) throws DatabaseException {
+ Iterator<IBinaryPredicate> it = predicates.iterator();
+
+ while(it.hasNext()) {
+ Collection<Resource> result = it.next().getSubjects(g, object);
+ if(!result.isEmpty()) {
+ while(it.hasNext()) {
+ Collection<Resource> temp = it.next().getSubjects(g, object);
+ if(!temp.isEmpty()) {
+ Set<Resource> merged = new HashSet<Resource>(result.size() + temp.size());
+ merged.addAll(result);
+ merged.addAll(temp);
+ while(it.hasNext())
+ merged.addAll(it.next().getSubjects(g, object));
+ return merged;
+ }
+ }
+ return result;
+ }
+ }
+ return Collections.emptyList();
+ }
+
+ @Override
+ public boolean has(ReadGraph g, Resource subject, Resource object) throws DatabaseException {
+ for(IBinaryPredicate pred : predicates)
+ if(pred.has(g, subject, object))
+ return true;
+ return false;
+ }
+
+ @Override
+ public boolean supportsGetObjects() {
+ for(IBinaryPredicate pred : predicates)
+ if(!pred.supportsGetObjects())
+ return false;
+ return true;
+ }
+
+ @Override
+ public boolean supportsGetStatements() {
+ for(IBinaryPredicate pred : predicates)
+ if(!pred.supportsGetStatements())
+ return false;
+ return true;
+ }
+
+ @Override
+ public boolean supportsGetSubjects() {
+ for(IBinaryPredicate pred : predicates)
+ if(!pred.supportsGetSubjects())
+ return false;
+ return true;
+ }
+
+ @Override
+ public void add(WriteGraph g, Resource subject, Resource object) {
+ throw new UnsupportedOperationException();
+ }
+
+ @Override
+ public void remove(WriteGraph g, Resource subject, Resource object) {
+ throw new UnsupportedOperationException();
+ }
+
+ @Override
+ public boolean supportsAdditions() {
+ return false;
+ }
+
+ @Override
+ public boolean supportsRemovals() {
+ 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;
+ UnionPredicate other = (UnionPredicate) 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