Please wait. This can take some minutes ...
Many resources are needed to download a project. Please understand that we have to compensate our server costs. Thank you in advance.
Project price only 1 $
You can buy this project and download/modify it how often you want.
org.camunda.bpm.engine.impl.cmmn.handler.CallingTaskItemHandler Maven / Gradle / Ivy
/*
* Copyright Camunda Services GmbH and/or licensed to Camunda Services GmbH
* under one or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information regarding copyright
* ownership. Camunda licenses this file to you under the Apache License,
* Version 2.0; 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.camunda.bpm.engine.impl.cmmn.handler;
import org.camunda.bpm.engine.impl.cmmn.behavior.CallingTaskActivityBehavior;
import org.camunda.bpm.engine.impl.cmmn.model.CmmnActivity;
import org.camunda.bpm.engine.impl.core.model.BaseCallableElement;
import org.camunda.bpm.engine.impl.core.model.BaseCallableElement.CallableElementBinding;
import org.camunda.bpm.engine.impl.core.variable.mapping.value.ConstantValueProvider;
import org.camunda.bpm.engine.impl.core.variable.mapping.value.NullValueProvider;
import org.camunda.bpm.engine.impl.core.variable.mapping.value.ParameterValueProvider;
import org.camunda.bpm.engine.impl.el.ElValueProvider;
import org.camunda.bpm.engine.impl.el.Expression;
import org.camunda.bpm.engine.impl.el.ExpressionManager;
import org.camunda.bpm.engine.repository.Deployment;
import org.camunda.bpm.model.cmmn.instance.CmmnElement;
import static org.camunda.bpm.engine.impl.util.StringUtil.isCompositeExpression;
/**
* @author Roman Smirnov
*
*/
public abstract class CallingTaskItemHandler extends TaskItemHandler {
@Override
protected void initializeActivity(CmmnElement element, CmmnActivity activity, CmmnHandlerContext context) {
super.initializeActivity(element, activity, context);
initializeCallableElement(element, activity, context);
}
protected void initializeCallableElement(CmmnElement element, CmmnActivity activity, CmmnHandlerContext context) {
Deployment deployment = context.getDeployment();
String deploymentId = null;
if (deployment != null) {
deploymentId = deployment.getId();
}
BaseCallableElement callableElement = createCallableElement();
callableElement.setDeploymentId(deploymentId);
// set callableElement on behavior
CallingTaskActivityBehavior behavior = (CallingTaskActivityBehavior) activity.getActivityBehavior();
behavior.setCallableElement(callableElement);
// definition key
initializeDefinitionKey(element, activity, context, callableElement);
// binding
initializeBinding(element, activity, context, callableElement);
// version
initializeVersion(element, activity, context, callableElement);
// tenant-id
initializeTenantId(element, activity, context, callableElement);
}
protected void initializeDefinitionKey(CmmnElement element, CmmnActivity activity, CmmnHandlerContext context, BaseCallableElement callableElement) {
ExpressionManager expressionManager = context.getExpressionManager();
String definitionKey = getDefinitionKey(element, activity, context);
ParameterValueProvider definitionKeyProvider = createParameterValueProvider(definitionKey, expressionManager);
callableElement.setDefinitionKeyValueProvider(definitionKeyProvider);
}
protected void initializeBinding(CmmnElement element, CmmnActivity activity, CmmnHandlerContext context, BaseCallableElement callableElement) {
String binding = getBinding(element, activity, context);
if (CallableElementBinding.DEPLOYMENT.getValue().equals(binding)) {
callableElement.setBinding(CallableElementBinding.DEPLOYMENT);
} else if (CallableElementBinding.LATEST.getValue().equals(binding)) {
callableElement.setBinding(CallableElementBinding.LATEST);
} else if (CallableElementBinding.VERSION.getValue().equals(binding)) {
callableElement.setBinding(CallableElementBinding.VERSION);
}
}
protected void initializeVersion(CmmnElement element, CmmnActivity activity, CmmnHandlerContext context, BaseCallableElement callableElement) {
ExpressionManager expressionManager = context.getExpressionManager();
String version = getVersion(element, activity, context);
ParameterValueProvider versionProvider = createParameterValueProvider(version, expressionManager);
callableElement.setVersionValueProvider(versionProvider);
}
protected void initializeTenantId(CmmnElement element, CmmnActivity activity, CmmnHandlerContext context, BaseCallableElement callableElement) {
ParameterValueProvider tenantIdProvider = null;
ExpressionManager expressionManager = context.getExpressionManager();
String tenantId = getTenantId(element, activity, context);
if (tenantId != null && tenantId.length() > 0) {
tenantIdProvider = createParameterValueProvider(tenantId, expressionManager);
}
callableElement.setTenantIdProvider(tenantIdProvider);
}
protected ParameterValueProvider createParameterValueProvider(String value, ExpressionManager expressionManager) {
if (value == null) {
return new NullValueProvider();
} else if (isCompositeExpression(value, expressionManager)) {
Expression expression = expressionManager.createExpression(value);
return new ElValueProvider(expression);
} else {
return new ConstantValueProvider(value);
}
}
protected abstract BaseCallableElement createCallableElement();
protected abstract String getDefinitionKey(CmmnElement element, CmmnActivity activity, CmmnHandlerContext context);
protected abstract String getBinding(CmmnElement element, CmmnActivity activity, CmmnHandlerContext context);
protected abstract String getVersion(CmmnElement element, CmmnActivity activity, CmmnHandlerContext context);
protected abstract String getTenantId(CmmnElement element, CmmnActivity activity, CmmnHandlerContext context);
}