/*
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* JBoss, Home of Professional Open Source
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* Copyright 2005, JBoss Inc., and individual contributors as indicated
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* by the @authors tag. See the copyright.txt in the distribution for a
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* full listing of individual contributors.
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*
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* This is free software; you can redistribute it and/or modify it
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* under the terms of the GNU Lesser General Public License as
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* published by the Free Software Foundation; either version 2.1 of
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* the License, or (at your option) any later version.
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*
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* This software is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this software; if not, write to the Free
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* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
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* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
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*/
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package org.jbpm.pvm.internal.env;
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import java.util.Collections;
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import java.util.HashSet;
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import java.util.Set;
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import org.jbpm.api.job.Job;
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import org.jbpm.pvm.internal.task.TaskImpl;
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/**
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* @author Tom Baeyens
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*/
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public class TaskContext implements Context {
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private static final String KEY_TASK = "task";
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static final Set<String> keys = Collections.unmodifiableSet(getKeys());
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static Set<String> getKeys() {
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Set<String> keys = new HashSet<String>();
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keys.add(KEY_TASK);
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return keys;
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}
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TaskImpl task;
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public TaskContext(TaskImpl task) {
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this.task = task;
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}
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public Object get(String key) {
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if (KEY_TASK.equals(key)) {
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return task;
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}
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return null;
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}
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public boolean has(String key) {
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return KEY_TASK.equals(key);
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}
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public Set<String> keys() {
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return keys;
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}
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public Object set(String key, Object value) {
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task.setVariable(key, value);
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return null;
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}
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public <T> T get(Class<T> type) {
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if (Job.class.isAssignableFrom(type)) {
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return (T) task;
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}
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return null;
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}
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public String getName() {
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return Context.CONTEXTNAME_TASK;
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}
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}
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