1 /*******************************************************************************
2 * Copyright (c) 2007, 2010 Association for Decentralized Information Management
4 * All rights reserved. This program and the accompanying materials
5 * are made available under the terms of the Eclipse Public License v1.0
6 * which accompanies this distribution, and is available at
7 * http://www.eclipse.org/legal/epl-v10.html
10 * VTT Technical Research Centre of Finland - initial API and implementation
11 *******************************************************************************/
12 package org.simantics.db.impl.query;
14 import org.simantics.db.request.RequestFlags;
16 abstract public class StringQuery<Procedure> extends CacheEntryBase<Procedure> implements Query {
18 final public String id;
19 final public int hash;
21 public StringQuery(String id) {
32 final protected static int hash(String id) {
38 return RequestFlags.INVALIDATE;
42 final public boolean equals(Object object) {
45 else if (object == null)
47 else if (getClass() != object.getClass())
49 StringQuery other = (StringQuery)object;
50 return id == other.id;
54 final public Query getQuery() {
59 // public void recompute(ReadGraphImpl graph, Object provider, CacheEntry entry) {
60 // throw new Error("Recompute of primitive queries is not supported.");
64 // public Object performFromCache(ReadGraphImpl graph, Object provider, Object procedure) throws DatabaseException {
65 // return performFromCache(graph, (QueryProcessor)provider, (Procedure)procedure);
68 //abstract public void recompute(ReadGraphImpl graph, QueryProcessor provider) throws DatabaseException;
69 //abstract public Object performFromCache(ReadGraphImpl graph, QueryProcessor provider, Procedure procedure) throws DatabaseException;
70 abstract public void removeEntry(QueryProcessor provider);