1 /*******************************************************************************
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2 * Copyright (c) 2007, 2010 Association for Decentralized Information Management
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3 * in Industry THTH ry.
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4 * All rights reserved. This program and the accompanying materials
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5 * are made available under the terms of the Eclipse Public License v1.0
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6 * which accompanies this distribution, and is available at
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7 * http://www.eclipse.org/legal/epl-v10.html
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10 * VTT Technical Research Centre of Finland - initial API and implementation
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11 *******************************************************************************/
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12 package org.simantics.browsing.ui.graph.impl;
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14 import java.util.Arrays;
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16 import org.simantics.browsing.ui.NodeContext;
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19 * @author Tuukka Lehtonen
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23 public abstract class ParametrizedResourceQuery<T> extends ResourceQuery<T> {
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25 Object[] parameters;
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27 public ParametrizedResourceQuery(Object queryIdentifier, NodeContext context, Object... parameters) {
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28 super(queryIdentifier, context);
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29 this.parameters = parameters;
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30 this.hash = makeHash();
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34 public boolean equals(Object object) {
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38 else if (object == null)
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40 else if (!(object instanceof ParametrizedResourceQuery<?>))
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43 ParametrizedResourceQuery<?> query = (ParametrizedResourceQuery<?>) object;
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44 return queryIdentifier.equals(query.queryIdentifier)
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45 && context.equals(query.context)
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46 && Arrays.equals(parameters, query.parameters);
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50 protected int makeHash() {
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51 return (context.hashCode() * 31 + queryIdentifier.hashCode()) * 31 + Arrays.hashCode(parameters);
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