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[simantics/district.git] / org.simantics.district.maps / src / org / simantics / maps / query / Query.java

diff --git a/org.simantics.district.maps/src/org/simantics/maps/query/Query.java b/org.simantics.district.maps/src/org/simantics/maps/query/Query.java
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+++ b/org.simantics.district.maps/src/org/simantics/maps/query/Query.java
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+/*******************************************************************************
+ * Copyright (c) 2007 VTT Technical Research Centre of Finland and others.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *     VTT Technical Research Centre of Finland - initial API and implementation
+ *******************************************************************************/
+package org.simantics.maps.query;
+
+
+/**
+ * @author Tuukka Lehtonen
+ *
+ * @param <S>
+ * @param <R>
+ */
+public class Query<S, R> {
+
+    public final S                    source;
+
+    public final IQueryListener<S, R> listener;
+
+    public Query(S source, IQueryListener<S, R> listener) {
+        assert source != null;
+        assert listener != null;
+
+        this.source = source;
+        this.listener = listener;
+    }
+
+    @Override
+    public String toString() {
+        return getClass().getName() + " [" + source + "]";
+    }
+
+}