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.common.request;
14 import org.simantics.db.AsyncRequestProcessor;
15 import org.simantics.db.RequestProcessor;
16 import org.simantics.db.exception.DatabaseException;
17 import org.simantics.db.procedure.AsyncListener;
18 import org.simantics.db.procedure.AsyncProcedure;
19 import org.simantics.db.procedure.Listener;
20 import org.simantics.db.procedure.Procedure;
21 import org.simantics.db.procedure.SyncListener;
22 import org.simantics.db.procedure.SyncProcedure;
23 import org.simantics.db.request.ExternalRead;
24 import org.simantics.db.request.ReadInterface;
26 public abstract class ParametrizedPrimitiveRead<T, R> implements ExternalRead<R>, ReadInterface<R> {
28 final protected T parameter;
31 public int hashCode() {
32 return parameter.hashCode();
36 public boolean equals(Object object) {
39 else if (object == null)
41 else if (getClass() != object.getClass())
43 ParametrizedPrimitiveRead<?, ?> r = (ParametrizedPrimitiveRead<?, ?>) object;
44 return parameter.equals(r.parameter);
47 public ParametrizedPrimitiveRead(T parameter) {
48 this.parameter = parameter;
52 public void unregistered() {
56 public void request(AsyncRequestProcessor processor, AsyncProcedure<R> procedure) {
57 throw new UnsupportedOperationException();
61 public void request(AsyncRequestProcessor processor, Procedure<R> procedure) {
62 processor.asyncRequest(this, procedure);
66 public void request(AsyncRequestProcessor processor, SyncProcedure<R> procedure) {
67 throw new UnsupportedOperationException();
71 public void request(AsyncRequestProcessor processor, AsyncListener<R> procedure) {
72 throw new UnsupportedOperationException();
76 public void request(AsyncRequestProcessor processor, Listener<R> procedure) {
77 processor.asyncRequest(this, procedure);
81 public void request(AsyncRequestProcessor processor, SyncListener<R> procedure) {
82 throw new UnsupportedOperationException();
86 public R request(RequestProcessor processor) throws DatabaseException {
87 return processor.syncRequest(this);