org.activiti.engine.impl.util.Activiti5Util Maven / Gradle / Ivy
/* 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.util;
import org.activiti.engine.ActivitiException;
import org.activiti.engine.ActivitiObjectNotFoundException;
import org.activiti.engine.compatibility.Activiti5CompatibilityHandler;
import org.activiti.engine.impl.cfg.ProcessEngineConfigurationImpl;
import org.activiti.engine.impl.context.Context;
import org.activiti.engine.impl.interceptor.Command;
import org.activiti.engine.impl.interceptor.CommandContext;
import org.activiti.engine.impl.persistence.deploy.ProcessDefinitionCacheEntry;
import org.activiti.engine.repository.ProcessDefinition;
/**
*/
public class Activiti5Util {
public static boolean isActiviti5ProcessDefinitionId(CommandContext commandContext, final String processDefinitionId) {
if (processDefinitionId == null) {
return false;
}
try {
ProcessDefinition processDefinition = ProcessDefinitionUtil.getProcessDefinition(processDefinitionId);
if (processDefinition == null) {
return false;
}
return isActiviti5ProcessDefinition(commandContext, processDefinition);
} catch (ActivitiObjectNotFoundException e) {
return false;
}
}
/**
* Use this method when running outside a {@link CommandContext}.
* It will check the cache first and only start a new {@link CommandContext} when no result is found in the cache.
*/
public static boolean isActiviti5ProcessDefinitionId(final ProcessEngineConfigurationImpl processEngineConfiguration, final String processDefinitionId) {
if (processDefinitionId == null) {
return false;
}
if (!processEngineConfiguration.isActiviti5CompatibilityEnabled()) {
return false;
}
ProcessDefinitionCacheEntry cacheEntry = processEngineConfiguration.getProcessDefinitionCache().get(processDefinitionId);
if (cacheEntry != null) {
ProcessDefinition processDefinition = cacheEntry.getProcessDefinition();
return Activiti5CompatibilityHandler.ACTIVITI_5_ENGINE_TAG.equals(processDefinition.getEngineVersion());
} else {
return processEngineConfiguration.getCommandExecutor().execute(new Command() {
@Override
public Boolean execute(CommandContext commandContext) {
return isActiviti5ProcessDefinitionId(commandContext, processDefinitionId);
}
});
}
}
public static boolean isActiviti5ProcessDefinition(CommandContext commandContext, ProcessDefinition processDefinition) {
if (!commandContext.getProcessEngineConfiguration().isActiviti5CompatibilityEnabled()) {
return false;
}
if (processDefinition.getEngineVersion() != null) {
if (Activiti5CompatibilityHandler.ACTIVITI_5_ENGINE_TAG.equals(processDefinition.getEngineVersion())) {
if (commandContext.getProcessEngineConfiguration().isActiviti5CompatibilityEnabled()) {
return true;
}
} else {
throw new ActivitiException("Invalid 'engine' for process definition " + processDefinition.getId() + " : " + processDefinition.getEngineVersion());
}
}
return false;
}
public static Activiti5CompatibilityHandler getActiviti5CompatibilityHandler() {
Activiti5CompatibilityHandler activiti5CompatibilityHandler = Context.getActiviti5CompatibilityHandler();
if (activiti5CompatibilityHandler == null) {
activiti5CompatibilityHandler = Context.getFallbackActiviti5CompatibilityHandler();
}
if (activiti5CompatibilityHandler == null) {
throw new ActivitiException("Found Activiti 5 process definition, but no compatibility handler on the classpath");
}
return activiti5CompatibilityHandler;
}
}