Migrated source code from Simantics SVN

[simantics/platform.git] / bundles / org.simantics.browsing.ui.graph.impl / src / org / simantics / browsing / ui / graph / impl / ParametrizedResourceQuery.java

diff --git a/bundles/org.simantics.browsing.ui.graph.impl/src/org/simantics/browsing/ui/graph/impl/ParametrizedResourceQuery.java b/bundles/org.simantics.browsing.ui.graph.impl/src/org/simantics/browsing/ui/graph/impl/ParametrizedResourceQuery.java
new file mode 100644 (file)
index 0000000..07cfe29
--- /dev/null
+++ b/bundles/org.simantics.browsing.ui.graph.impl/src/org/simantics/browsing/ui/graph/impl/ParametrizedResourceQuery.java
@@ -0,0 +1,54 @@
+/*******************************************************************************\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.browsing.ui.graph.impl;\r
+\r
+import java.util.Arrays;\r
+\r
+import org.simantics.browsing.ui.NodeContext;\r
+\r
+/**\r
+ * @author Tuukka Lehtonen\r
+ *\r
+ * @param <T>\r
+ */\r
+public abstract class ParametrizedResourceQuery<T> extends ResourceQuery<T> {\r
+\r
+    Object[] parameters;\r
+\r
+    public ParametrizedResourceQuery(Object queryIdentifier, NodeContext context, Object... parameters) {\r
+        super(queryIdentifier, context);\r
+        this.parameters = parameters;\r
+        this.hash = makeHash();\r
+    }\r
+\r
+    @Override\r
+    public boolean equals(Object object) {\r
+\r
+        if (this == object)\r
+            return true;\r
+        else if (object == null)\r
+            return false;\r
+        else if (!(object instanceof ParametrizedResourceQuery<?>))\r
+            return false;\r
+\r
+        ParametrizedResourceQuery<?> query = (ParametrizedResourceQuery<?>) object;\r
+        return queryIdentifier.equals(query.queryIdentifier)\r
+        && context.equals(query.context)\r
+        && Arrays.equals(parameters, query.parameters);\r
+    }\r
+\r
+    @Override\r
+    protected int makeHash() {\r
+        return (context.hashCode() * 31 + queryIdentifier.hashCode()) * 31 + Arrays.hashCode(parameters);\r
+    }\r
+\r
+}\r