Migrated source code from Simantics SVN

[simantics/platform.git] / bundles / org.simantics.layer0.utils / src / org / simantics / layer0 / utils / predicates / IUnaryPredicate.java

diff --git a/bundles/org.simantics.layer0.utils/src/org/simantics/layer0/utils/predicates/IUnaryPredicate.java b/bundles/org.simantics.layer0.utils/src/org/simantics/layer0/utils/predicates/IUnaryPredicate.java
new file mode 100644 (file)
index 0000000..754c760
--- /dev/null
+++ b/bundles/org.simantics.layer0.utils/src/org/simantics/layer0/utils/predicates/IUnaryPredicate.java
@@ -0,0 +1,34 @@
+/*******************************************************************************\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.predicates;\r
+\r
+import java.util.Collection;\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
+\r
+public interface IUnaryPredicate {\r
+\r
+       boolean supportsUnboundedQuery();\r
+       \r
+       Collection<Resource> getResources(ReadGraph g) throws DatabaseException;\r
+       boolean has(ReadGraph g, Resource resource) throws DatabaseException;\r
+\r
+       boolean supportsAddition();\r
+       boolean supportsRemoval();\r
+       \r
+       void add(WriteGraph g, Resource r) throws DatabaseException;\r
+       void remove(WriteGraph g, Resource r) throws DatabaseException;\r
+       \r
+}\r