/**
* Copyright 2007-2008 非也
* All rights reserved.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation。
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see http://www.gnu.org/licenses. *
*/
package org.fireflow.engine.definition;
import java.io.IOException;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import org.fireflow.engine.EngineException;
import org.fireflow.engine.RuntimeContext;
import org.fireflow.model.WorkflowProcess;
import org.fireflow.model.io.Dom4JFPDLParser;
import org.fireflow.model.io.FPDLParserException;
/**
* 从文件系统读取流程定义文件，该类忽略流程定义文件的版本，主要用于开发阶段<br>
* When the workflow process is stored in the file system ,use this implementation.
*
* @author 非也,nychen2000@163.com
*
*/
public class DefinitionService4FileSystem implements IDefinitionService {
protected RuntimeContext rtCtx = null;
protected HashMap<String, WorkflowDefinition> workflowDefinitionMap = new HashMap<String, WorkflowDefinition>();// 流程名到流程定义的id
protected HashMap<String, String> latestVersionKeyMap = new HashMap<String, String>();
//spring初始化runtimeContext的时候会调用这个方法、
/*
* (non-Javadoc)
*
* @see org.fireflow.engine.definition.IDefinitionService#setDefinitionFiles(java.util.List)
*/
public void setDefinitionFiles(List<String> workflowProcessFileNames)
throws IOException, FPDLParserException,EngineException {
if (workflowProcessFileNames != null) {
Dom4JFPDLParser parser = new Dom4JFPDLParser();
for (int i = 0; i < workflowProcessFileNames.size(); i++) {
InputStream inStream = this.getClass().getResourceAsStream(
workflowProcessFileNames.get(i).trim());
if (inStream == null) {
throw new IOException("没有找到名称为" + workflowProcessFileNames.get(i) + "的流程定义文件");
}
WorkflowProcess workflowProcess = parser.parse(inStream);
WorkflowDefinition workflowDef = new WorkflowDefinition();
workflowDef.setVersion(new Integer(1));
workflowDef.setWorkflowProcess(workflowProcess);
String latestVersionKey = workflowProcess.getId() + "_V_" + workflowDef.getVersion();
workflowDefinitionMap.put(latestVersionKey, workflowDef);
latestVersionKeyMap.put(workflowProcess.getId(), latestVersionKey);
}
}
}
/* (non-Javadoc)
* @see org.fireflow.engine.definition.IDefinitionService#getAllLatestVersionsOfWorkflowDefinition()
*/
public List<WorkflowDefinition> getAllLatestVersionsOfWorkflowDefinition() {
return new ArrayList<WorkflowDefinition>(workflowDefinitionMap.values());
}
/* (non-Javadoc)
* @see org.fireflow.engine.definition.IDefinitionService#getWorkflowDefinitionByProcessIdAndVersionNumber(java.lang.String, java.lang.Integer)
*/
public WorkflowDefinition getWorkflowDefinitionByProcessIdAndVersionNumber(String processId, Integer version) {
return this.workflowDefinitionMap.get(processId + "_V_" + version);
}
/* (non-Javadoc)
* @see org.fireflow.engine.definition.IDefinitionService#getTheLatestVersionOfWorkflowDefinition(java.lang.String)
*/
public WorkflowDefinition getTheLatestVersionOfWorkflowDefinition(String processId) {
return this.workflowDefinitionMap.get(this.latestVersionKeyMap.get(processId));
}
public void setRuntimeContext(RuntimeContext ctx) {
this.rtCtx = ctx;
}
public RuntimeContext getRuntimeContext(){
return this.rtCtx;
}
}