X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=bundles%2Forg.simantics.db.layer0%2Fsrc%2Forg%2Fsimantics%2Fdb%2Flayer0%2Fvariable%2FStandardGraphResourcePropertyVariable.java;fp=bundles%2Forg.simantics.db.layer0%2Fsrc%2Forg%2Fsimantics%2Fdb%2Flayer0%2Fvariable%2FStandardGraphResourcePropertyVariable.java;h=6fa5127db65112153c8858617874d6506d82d570;hb=321607bdbd3ca800128d40b5511092f71cb66367;hp=0159e7ac69e099be424e282519930ec88aa920c9;hpb=e18cdb01663e3ebdae25e66bf158348bbf823a07;p=simantics%2Fplatform.git

diff --git a/bundles/org.simantics.db.layer0/src/org/simantics/db/layer0/variable/StandardGraphResourcePropertyVariable.java b/bundles/org.simantics.db.layer0/src/org/simantics/db/layer0/variable/StandardGraphResourcePropertyVariable.java
index 0159e7ac6..6fa5127db 100644
--- a/bundles/org.simantics.db.layer0/src/org/simantics/db/layer0/variable/StandardGraphResourcePropertyVariable.java
+++ b/bundles/org.simantics.db.layer0/src/org/simantics/db/layer0/variable/StandardGraphResourcePropertyVariable.java
@@ -7,10 +7,13 @@ import org.simantics.db.Resource;
 import org.simantics.db.exception.DatabaseException;
 import org.simantics.db.exception.NoSingleResultException;
 import org.simantics.db.layer0.exception.MissingVariableValueException;
-import org.simantics.db.layer0.exception.VariableException;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 public class StandardGraphResourcePropertyVariable extends StandardGraphPropertyVariable {
-	
+
+    private static final Logger LOGGER = LoggerFactory.getLogger(StandardGraphResourcePropertyVariable.class);
+
 	public StandardGraphResourcePropertyVariable(ReadGraph graph, Variable parent, Resource parentResource, Resource property) throws DatabaseException {
 	    super(graph, parent, null, parentResource, property);
 	}
@@ -18,24 +21,24 @@ public class StandardGraphResourcePropertyVariable extends StandardGraphProperty
 	@Override
 	public <T> T getValue(ReadGraph graph) throws DatabaseException {
 		if (parentResource == null)
-			throw new VariableException("Variable is not represented by any resource (URI=" + getPossibleURI(graph) + ").");
+			throw new MissingVariableValueException("Variable is not represented by any resource (URI=" + getPossibleURI(graph) + ").");
 		try {
 	        return (T)graph.getSingleObject(parentResource, property.predicate);
 		} catch (NoSingleResultException e) {
-			System.err.println("No object for " + parentResource + " " + property);
-			throw new MissingVariableValueException(getPossibleURI(graph));
+			LOGGER.error("No object for " + parentResource + " " + property);
+			throw new MissingVariableValueException(getPossibleURI(graph), e);
 		} 
 	}
 
 	@Override
 	public <T> T getValue(ReadGraph graph, Binding binding) throws DatabaseException {
 		if (parentResource == null)
-			throw new VariableException("Variable is not represented by any resource (URI=" + getPossibleURI(graph) + ").");
+			throw new MissingVariableValueException("Variable is not represented by any resource (URI=" + getPossibleURI(graph) + ").");
 		try {
             return (T)graph.getSingleObject(parentResource, property.predicate);
 		} catch (NoSingleResultException e) {
-			System.err.println("No object for " + parentResource + " " + property);
-			throw new MissingVariableValueException(getPossibleURI(graph));
+			LOGGER.error("No object for " + parentResource + " " + property);
+			throw new MissingVariableValueException(getPossibleURI(graph), e);
 		} 
 	}