/* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.activiti.engine.impl.persistence.deploy;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.activiti.engine.ActivitiException;
import org.activiti.engine.impl.context.Context;
import org.activiti.engine.impl.persistence.entity.DeploymentEntity;
import org.activiti.engine.impl.persistence.entity.ProcessDefinitionEntity;
/**
* @author Tom Baeyens
* @author Falko Menge
*/
public class DeploymentCache {
protected Map<String, ProcessDefinitionEntity> processDefinitionCache = new HashMap<String, ProcessDefinitionEntity>();
protected Map<String, Object> knowledgeBaseCache = new HashMap<String, Object>();
protected List<Deployer> deployers;
public void deploy(DeploymentEntity deployment) {
for (Deployer deployer: deployers) {
deployer.deploy(deployment);
}
}
public ProcessDefinitionEntity findDeployedProcessDefinitionById(String processDefinitionId) {
if (processDefinitionId == null) {
throw new ActivitiException("Invalid process definition id : null");
}
ProcessDefinitionEntity processDefinition = Context
.getCommandContext()
.getProcessDefinitionManager()
.findLatestProcessDefinitionById(processDefinitionId);
if(processDefinition == null) {
throw new ActivitiException("no deployed process definition found with id '" + processDefinitionId + "'");
}
processDefinition = resolveProcessDefinition(processDefinition);
return processDefinition;
}
public ProcessDefinitionEntity findDeployedLatestProcessDefinitionByKey(String processDefinitionKey) {
ProcessDefinitionEntity processDefinition = Context
.getCommandContext()
.getProcessDefinitionManager()
.findLatestProcessDefinitionByKey(processDefinitionKey);
if (processDefinition==null) {
throw new ActivitiException("no processes deployed with key '"+processDefinitionKey+"'");
}
processDefinition = resolveProcessDefinition(processDefinition);
return processDefinition;
}
public ProcessDefinitionEntity findDeployedProcessDefinitionByKeyAndVersion(String processDefinitionKey, Integer processDefinitionVersion) {
ProcessDefinitionEntity processDefinition = (ProcessDefinitionEntity) Context
.getCommandContext()
.getProcessDefinitionManager()
.findProcessDefinitionByKeyAndVersion(processDefinitionKey, processDefinitionVersion);
if (processDefinition==null) {
throw new ActivitiException("no processes deployed with key = '" + processDefinitionKey + "' and version = '" + processDefinitionVersion + "'");
}
processDefinition = resolveProcessDefinition(processDefinition);
return processDefinition;
}
public ProcessDefinitionEntity resolveProcessDefinition(ProcessDefinitionEntity processDefinition) {
String processDefinitionId = processDefinition.getId();
String deploymentId = processDefinition.getDeploymentId();
processDefinition = processDefinitionCache.get(processDefinitionId);
if (processDefinition==null) {
DeploymentEntity deployment = Context
.getCommandContext()
.getDeploymentManager()
.findDeploymentById(deploymentId);
deployment.setNew(false);
deploy(deployment);
processDefinition = processDefinitionCache.get(processDefinitionId);
if (processDefinition==null) {
throw new ActivitiException("deployment '"+deploymentId+"' didn't put process definition '"+processDefinitionId+"' in the cache");
}
}
return processDefinition;
}
public void addProcessDefinition(ProcessDefinitionEntity processDefinition) {
processDefinitionCache.put(processDefinition.getId(), processDefinition);
}
public void removeProcessDefinition(String processDefinitionId) {
processDefinitionCache.remove(processDefinitionId);
}
public void addKnowledgeBase(String knowledgeBaseId, Object knowledgeBase) {
knowledgeBaseCache.put(knowledgeBaseId, knowledgeBase);
}
public void removeKnowledgeBase(String knowledgeBaseId) {
knowledgeBaseCache.remove(knowledgeBaseId);
}
public void discardProcessDefinitionCache() {
processDefinitionCache.clear();
}
public void discardKnowledgeBaseCache() {
knowledgeBaseCache.clear();
}
// getters and setters //////////////////////////////////////////////////////
public Map<String, ProcessDefinitionEntity> getProcessDefinitionCache() {
return processDefinitionCache;
}
public void setProcessDefinitionCache(Map<String, ProcessDefinitionEntity> processDefinitionCache) {
this.processDefinitionCache = processDefinitionCache;
}
public Map<String, Object> getKnowledgeBaseCache() {
return knowledgeBaseCache;
}
public void setKnowledgeBaseCache(Map<String, Object> knowledgeBaseCache) {
this.knowledgeBaseCache = knowledgeBaseCache;
}
public List<Deployer> getDeployers() {
return deployers;
}
public void setDeployers(List<Deployer> deployers) {
this.deployers = deployers;
}
}