X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=bundles%2Forg.simantics.db.common%2Fsrc%2Forg%2Fsimantics%2Fdb%2Fcommon%2FTransferableGraphRequests.java;h=3d7404f151e6005141c7d3e0446783a9677a4abd;hb=c744918d55c304854e4fd316ccf04ce38d6071ff;hp=8f776b7e613deca0bb234e76ea7975bfb4aedcc3;hpb=969bd23cab98a79ca9101af33334000879fb60c5;p=simantics%2Fplatform.git

diff --git a/bundles/org.simantics.db.common/src/org/simantics/db/common/TransferableGraphRequests.java b/bundles/org.simantics.db.common/src/org/simantics/db/common/TransferableGraphRequests.java
index 8f776b7e6..3d7404f15 100644
--- a/bundles/org.simantics.db.common/src/org/simantics/db/common/TransferableGraphRequests.java
+++ b/bundles/org.simantics.db.common/src/org/simantics/db/common/TransferableGraphRequests.java
@@ -1,171 +1,171 @@
-package org.simantics.db.common;
-
-import java.util.HashSet;
-import java.util.Set;
-
-import org.simantics.databoard.adapter.AdaptException;
-import org.simantics.databoard.binding.Binding;
-import org.simantics.db.ReadGraph;
-import org.simantics.db.Resource;
-import org.simantics.db.exception.DatabaseException;
-import org.simantics.graph.representation.TransferableGraph1;
-import org.simantics.graph.representation.TransferableGraphUtils;
-import org.simantics.graph.representation.Value;
-import org.simantics.layer0.Layer0;
-
-public class TransferableGraphRequests {
-	
-	private TransferableGraph1 tg;
-	private ReadGraph graph;
-	
-	public TransferableGraphRequests(TransferableGraph1 tg, ReadGraph graph) {
-		this.tg = tg;
-		this.graph = graph;
-	}
-
-	public Resource getExternal(int id) throws DatabaseException {
-		String uri = TransferableGraphUtils.getURI(tg, id);
-		return graph.getPossibleResource(uri);
-	}
-	
-	public Set<Integer> getObjects(int subject, Resource relation) throws DatabaseException {
-
-		Set<Integer> result = new HashSet<Integer>();
-		for(int i=0;i<tg.statements.length;i+=4) {
-			if(tg.statements[i] == subject) {
-				Resource predicate = getExternal(tg.statements[i+1]);
-				if(predicate != null)
-					if(graph.isSubrelationOf(predicate, relation)) result.add(tg.statements[i+3]); 
-			}
-		}
-		return result;
-		
-	}
-
-	public Set<Integer> getSubjects(int object, Resource inverseRelation) throws DatabaseException {
-
-		Set<Integer> result = new HashSet<Integer>();
-		for(int i=0;i<tg.statements.length;i+=4) {
-			if(tg.statements[i+3] == object) {
-				Resource predicate = getExternal(tg.statements[i+2]);
-				if(predicate != null)
-					if(graph.isSubrelationOf(predicate, inverseRelation)) result.add(tg.statements[i]); 
-			}
-		}
-		return result;
-		
-	}
-
-	public int getPossibleObject(int subject, Resource relation) throws DatabaseException {
-		Set<Integer> objects = getObjects(subject, relation);
-		if(objects.size() == 1) return objects.iterator().next();
-		return -1;
-	}
-
-	public int getSingleObject(int subject, Resource relation) throws DatabaseException {
-
-		Set<Integer> objects = getObjects(subject, relation);
-		if(objects.size() == 1) return objects.iterator().next();
-		else if (objects.size() == 0) throw new DatabaseException("No objects for subject " + subject + " and relation " + graph.getURI(relation));
-		else throw new DatabaseException("Multiple (" + objects.size() + ") objects for subject " + subject + " and relation " + graph.getURI(relation));
-		
-	}
-
-	public int getPossibleSubject(int object, Resource inverseRelation) throws DatabaseException {
-		Set<Integer> subjects = getSubjects(object, inverseRelation);
-		if(subjects.size() == 1) return subjects.iterator().next();
-		return -1;
-	}
-
-	public int getSingleSubject(int object, Resource inverseRelation) throws DatabaseException {
-
-		Set<Integer> subjects = getObjects(object, inverseRelation);
-		if(subjects.size() == 1) return subjects.iterator().next();
-		else if (subjects.size() == 0) throw new DatabaseException("No subjects for object " + object + " and relation " + graph.getURI(inverseRelation));
-		else throw new DatabaseException("Multiple (" + subjects.size() + ") subjects for object " + object + " and relation " + graph.getURI(inverseRelation));
-		
-	}
-
-	public <T> T getRelatedValue(int subject, Resource relation, Binding binding) throws DatabaseException {
-		
-		int object = getSingleObject(subject, relation);
-		return getValue(object, binding);
-		
-	}
-
-	public <T> T getPossibleRelatedValue(int subject, Resource relation, Binding binding) throws DatabaseException {
-		int object = getPossibleObject(subject, relation);
-		if (object == -1)
-			return null;
-		return getPossibleValue(object, binding);
-	}
-
-	@SuppressWarnings("unchecked")
-	public <T> T getValue(int subject, Binding binding) throws DatabaseException {
-
-		Value value = TransferableGraphUtils.findValue(tg, subject);
-		if(value == null) throw new DatabaseException("No value for subject " + subject);
-		try {
-			return (T)value.value.getValue(binding);
-		} catch (AdaptException e) {
-			throw new DatabaseException(e);
-		}
-		
-	}
-
-	@SuppressWarnings("unchecked")
-	public <T> T getPossibleValue(int subject, Binding binding) {
-		Value value = TransferableGraphUtils.findValue(tg, subject);
-		if(value == null) return null;
-		try {
-			return (T)value.value.getValue(binding);
-		} catch (AdaptException e) {
-			return null;
-		}
-	}
-
-	public boolean isInstanceOf(int subject, Resource type) throws DatabaseException {
-
-		Layer0 L0 = Layer0.getInstance(graph);
-		for(int t : getObjects(subject, L0.InstanceOf)) {
-			Resource tr = getExternal(t);
-			if(tr != null)
-				if(graph.isInheritedFrom(tr, type)) return true;
-		}
-		
-		return false;
-		
-	}
-	
-
-	public String formatResource(int r) throws DatabaseException {
-		
-		String result = "" + r;
-		String uri = TransferableGraphUtils.getURI(tg, r);
-		if(!uri.isEmpty()) result = uri;
-		
-		Value value = TransferableGraphUtils.findValue(tg, r);
-		if(value != null) result += " (value " + value.value + ")";
-		
-		return result;
-		
-	}
-	
-	public String listStatements() throws DatabaseException {
-		
-		StringBuilder b = new StringBuilder();
-    	for(int i=0;i<tg.statements.length;i+=4) {
-    		int subject = tg.statements[i];
-    		int predicate = tg.statements[i+1];
-    		int object = tg.statements[i+3];
-    		b.append(formatResource(subject) + " " + formatResource(predicate) + " " + formatResource(object) + "\n");
-    	}
-    	return b.toString();
-		
-	}
-	
-	public ReadGraph getGraph() {
-		return graph;
-	}
-	
-}
+package org.simantics.db.common;
+
+import java.util.HashSet;
+import java.util.Set;
+
+import org.simantics.databoard.adapter.AdaptException;
+import org.simantics.databoard.binding.Binding;
+import org.simantics.db.ReadGraph;
+import org.simantics.db.Resource;
+import org.simantics.db.exception.DatabaseException;
+import org.simantics.graph.representation.TransferableGraph1;
+import org.simantics.graph.representation.TransferableGraphUtils;
+import org.simantics.graph.representation.Value;
+import org.simantics.layer0.Layer0;
+
+public class TransferableGraphRequests {
+	
+	private TransferableGraph1 tg;
+	private ReadGraph graph;
+	
+	public TransferableGraphRequests(TransferableGraph1 tg, ReadGraph graph) {
+		this.tg = tg;
+		this.graph = graph;
+	}
+
+	public Resource getExternal(int id) throws DatabaseException {
+		String uri = TransferableGraphUtils.getURI(tg, id);
+		return graph.getPossibleResource(uri);
+	}
+	
+	public Set<Integer> getObjects(int subject, Resource relation) throws DatabaseException {
+
+		Set<Integer> result = new HashSet<Integer>();
+		for(int i=0;i<tg.statements.length;i+=4) {
+			if(tg.statements[i] == subject) {
+				Resource predicate = getExternal(tg.statements[i+1]);
+				if(predicate != null)
+					if(graph.isSubrelationOf(predicate, relation)) result.add(tg.statements[i+3]); 
+			}
+		}
+		return result;
+		
+	}
+
+	public Set<Integer> getSubjects(int object, Resource inverseRelation) throws DatabaseException {
+
+		Set<Integer> result = new HashSet<Integer>();
+		for(int i=0;i<tg.statements.length;i+=4) {
+			if(tg.statements[i+3] == object) {
+				Resource predicate = getExternal(tg.statements[i+2]);
+				if(predicate != null)
+					if(graph.isSubrelationOf(predicate, inverseRelation)) result.add(tg.statements[i]); 
+			}
+		}
+		return result;
+		
+	}
+
+	public int getPossibleObject(int subject, Resource relation) throws DatabaseException {
+		Set<Integer> objects = getObjects(subject, relation);
+		if(objects.size() == 1) return objects.iterator().next();
+		return -1;
+	}
+
+	public int getSingleObject(int subject, Resource relation) throws DatabaseException {
+
+		Set<Integer> objects = getObjects(subject, relation);
+		if(objects.size() == 1) return objects.iterator().next();
+		else if (objects.size() == 0) throw new DatabaseException("No objects for subject " + subject + " and relation " + graph.getURI(relation));
+		else throw new DatabaseException("Multiple (" + objects.size() + ") objects for subject " + subject + " and relation " + graph.getURI(relation));
+		
+	}
+
+	public int getPossibleSubject(int object, Resource inverseRelation) throws DatabaseException {
+		Set<Integer> subjects = getSubjects(object, inverseRelation);
+		if(subjects.size() == 1) return subjects.iterator().next();
+		return -1;
+	}
+
+	public int getSingleSubject(int object, Resource inverseRelation) throws DatabaseException {
+
+		Set<Integer> subjects = getObjects(object, inverseRelation);
+		if(subjects.size() == 1) return subjects.iterator().next();
+		else if (subjects.size() == 0) throw new DatabaseException("No subjects for object " + object + " and relation " + graph.getURI(inverseRelation));
+		else throw new DatabaseException("Multiple (" + subjects.size() + ") subjects for object " + object + " and relation " + graph.getURI(inverseRelation));
+		
+	}
+
+	public <T> T getRelatedValue(int subject, Resource relation, Binding binding) throws DatabaseException {
+		
+		int object = getSingleObject(subject, relation);
+		return getValue(object, binding);
+		
+	}
+
+	public <T> T getPossibleRelatedValue(int subject, Resource relation, Binding binding) throws DatabaseException {
+		int object = getPossibleObject(subject, relation);
+		if (object == -1)
+			return null;
+		return getPossibleValue(object, binding);
+	}
+
+	@SuppressWarnings("unchecked")
+	public <T> T getValue(int subject, Binding binding) throws DatabaseException {
+
+		Value value = TransferableGraphUtils.findValue(tg, subject);
+		if(value == null) throw new DatabaseException("No value for subject " + subject);
+		try {
+			return (T)value.value.getValue(binding);
+		} catch (AdaptException e) {
+			throw new DatabaseException(e);
+		}
+		
+	}
+
+	@SuppressWarnings("unchecked")
+	public <T> T getPossibleValue(int subject, Binding binding) {
+		Value value = TransferableGraphUtils.findValue(tg, subject);
+		if(value == null) return null;
+		try {
+			return (T)value.value.getValue(binding);
+		} catch (AdaptException e) {
+			return null;
+		}
+	}
+
+	public boolean isInstanceOf(int subject, Resource type) throws DatabaseException {
+
+		Layer0 L0 = Layer0.getInstance(graph);
+		for(int t : getObjects(subject, L0.InstanceOf)) {
+			Resource tr = getExternal(t);
+			if(tr != null)
+				if(graph.isInheritedFrom(tr, type)) return true;
+		}
+		
+		return false;
+		
+	}
+	
+
+	public String formatResource(int r) throws DatabaseException {
+		
+		String result = "" + r;
+		String uri = TransferableGraphUtils.getURI(tg, r);
+		if(!uri.isEmpty()) result = uri;
+		
+		Value value = TransferableGraphUtils.findValue(tg, r);
+		if(value != null) result += " (value " + value.value + ")";
+		
+		return result;
+		
+	}
+	
+	public String listStatements() throws DatabaseException {
+		
+		StringBuilder b = new StringBuilder();
+    	for(int i=0;i<tg.statements.length;i+=4) {
+    		int subject = tg.statements[i];
+    		int predicate = tg.statements[i+1];
+    		int object = tg.statements[i+3];
+    		b.append(formatResource(subject) + " " + formatResource(predicate) + " " + formatResource(object) + "\n");
+    	}
+    	return b.toString();
+		
+	}
+	
+	public ReadGraph getGraph() {
+		return graph;
+	}
+	
+}