+ static class PossibleResourceIU extends UnaryRead<String,Resource> implements ReadExt {
+
+ public PossibleResourceIU(String parameter) {
+ super(parameter);
+ }
+
+ @Override
+ public Resource perform(ReadGraph graph) throws DatabaseException {
+ return graph.getPossibleResource(parameter);
+ }
+
+ @Override
+ public boolean isImmutable(ReadGraph graph) throws DatabaseException {
+ return false;
+ }
+
+ @Override
+ public int getType() {
+ return RequestFlags.IMMEDIATE_UPDATE;
+ }
+
+ }
+