X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;ds=sidebyside;f=bundles%2Forg.simantics.db.layer0%2Fsrc%2Forg%2Fsimantics%2Fdb%2Flayer0%2Fgenericrelation%2Fcombinators%2FUnion.java;fp=bundles%2Forg.simantics.db.layer0%2Fsrc%2Forg%2Fsimantics%2Fdb%2Flayer0%2Fgenericrelation%2Fcombinators%2FUnion.java;h=c3f3b12f4035b3462d62a8e6f6140b153c368183;hb=0ae2b770234dfc3cbb18bd38f324125cf0faca07;hp=5ff96a16dcad7f4f58ed777d3dc96f13eae55dff;hpb=24e2b34260f219f0d1644ca7a138894980e25b14;p=simantics%2Fplatform.git

diff --git a/bundles/org.simantics.db.layer0/src/org/simantics/db/layer0/genericrelation/combinators/Union.java b/bundles/org.simantics.db.layer0/src/org/simantics/db/layer0/genericrelation/combinators/Union.java
index 5ff96a16d..c3f3b12f4 100644
--- a/bundles/org.simantics.db.layer0/src/org/simantics/db/layer0/genericrelation/combinators/Union.java
+++ b/bundles/org.simantics.db.layer0/src/org/simantics/db/layer0/genericrelation/combinators/Union.java
@@ -1,88 +1,88 @@
-/*******************************************************************************
- * 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.layer0.genericrelation.combinators;
-
-import java.util.ArrayList;
-import java.util.Collection;
-import java.util.List;
-
-import org.simantics.db.ReadGraph;
-import org.simantics.db.exception.DatabaseException;
-import org.simantics.db.layer0.adapter.GenericRelation;
-import org.simantics.db.layer0.genericrelation.AbstractRelation;
-import org.simantics.utils.datastructures.Pair;
-
-/**
- * Takes the union of multiple relations. Does not remove duplicates.
- */
-public class Union extends AbstractRelation {
-
-	Collection<GenericRelation> relations;
-	
-	public Union(Collection<GenericRelation> relations) {
-		this.relations = relations;
-	}
-
-	@Override
-	public boolean contains(ReadGraph g, Object[] tuple) throws DatabaseException {
-		for(GenericRelation relation : relations)
-			if(relation.contains(g, tuple))
-				return true;
-		return false;
-	}
-
-	@Override
-	public boolean isRealizable() {
-		for(GenericRelation relation : relations)
-			if(!relation.isRealizable())
-				return false;
-		return true;
-	}
-
-	@Override
-	public List<Object[]> realize(ReadGraph g) throws DatabaseException {
-		ArrayList<List<Object[]>> results = new ArrayList<List<Object[]>>(relations.size());		
-		for(GenericRelation relation : relations)
-			results.add(relation.realize(g));
-		int size = 0;
-		for(List<Object[]> part : results)
-			size += part.size();
-		ArrayList<Object[]> result = new ArrayList<Object[]>(size);
-		for(List<Object[]> part : results)
-			result.addAll(part);
-		return result;
-	}
-	
-	@Override
-	public GenericRelation selectByRelation(String bindingPattern, GenericRelation constraint) {
-		ArrayList<GenericRelation> semijoinRelations = new ArrayList<GenericRelation>(relations.size()); 
-		for(GenericRelation relation : relations)
-			semijoinRelations.add(relation.selectByRelation(bindingPattern, constraint));
-		return new Union(semijoinRelations);
-	}
-	
-	@Override
-	public GenericRelation select(String bindingPattern, Object[] constants) {
-		ArrayList<GenericRelation> selectedRelations = new ArrayList<GenericRelation>(relations.size()); 
-		for(GenericRelation relation : relations)
-			selectedRelations.add(relation.select(bindingPattern, constants));
-		return new Union(selectedRelations);
-	}
-
-	@Override
-	public Pair<String, String>[] getFields() {
-		for(GenericRelation relation : relations)
-			return relation.getFields();
-		return null;
-	}
-
-}
+/*******************************************************************************
+ * 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.layer0.genericrelation.combinators;
+
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.List;
+
+import org.simantics.db.ReadGraph;
+import org.simantics.db.exception.DatabaseException;
+import org.simantics.db.layer0.adapter.GenericRelation;
+import org.simantics.db.layer0.genericrelation.AbstractRelation;
+import org.simantics.utils.datastructures.Pair;
+
+/**
+ * Takes the union of multiple relations. Does not remove duplicates.
+ */
+public class Union extends AbstractRelation {
+
+	Collection<GenericRelation> relations;
+	
+	public Union(Collection<GenericRelation> relations) {
+		this.relations = relations;
+	}
+
+	@Override
+	public boolean contains(ReadGraph g, Object[] tuple) throws DatabaseException {
+		for(GenericRelation relation : relations)
+			if(relation.contains(g, tuple))
+				return true;
+		return false;
+	}
+
+	@Override
+	public boolean isRealizable() {
+		for(GenericRelation relation : relations)
+			if(!relation.isRealizable())
+				return false;
+		return true;
+	}
+
+	@Override
+	public List<Object[]> realize(ReadGraph g) throws DatabaseException {
+		ArrayList<List<Object[]>> results = new ArrayList<List<Object[]>>(relations.size());		
+		for(GenericRelation relation : relations)
+			results.add(relation.realize(g));
+		int size = 0;
+		for(List<Object[]> part : results)
+			size += part.size();
+		ArrayList<Object[]> result = new ArrayList<Object[]>(size);
+		for(List<Object[]> part : results)
+			result.addAll(part);
+		return result;
+	}
+	
+	@Override
+	public GenericRelation selectByRelation(String bindingPattern, GenericRelation constraint) {
+		ArrayList<GenericRelation> semijoinRelations = new ArrayList<GenericRelation>(relations.size()); 
+		for(GenericRelation relation : relations)
+			semijoinRelations.add(relation.selectByRelation(bindingPattern, constraint));
+		return new Union(semijoinRelations);
+	}
+	
+	@Override
+	public GenericRelation select(String bindingPattern, Object[] constants) {
+		ArrayList<GenericRelation> selectedRelations = new ArrayList<GenericRelation>(relations.size()); 
+		for(GenericRelation relation : relations)
+			selectedRelations.add(relation.select(bindingPattern, constants));
+		return new Union(selectedRelations);
+	}
+
+	@Override
+	public Pair<String, String>[] getFields() {
+		for(GenericRelation relation : relations)
+			return relation.getFields();
+		return null;
+	}
+
+}