/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.apache.atlas.groovy;
import java.util.Collections;
import java.util.List;
/**
* Groovy expression that references the variable with the given name.
*
*/
public class IdentifierExpression extends AbstractGroovyExpression {
private TraversalStepType type = TraversalStepType.NONE;
private String varName;
public IdentifierExpression(String varName) {
this.varName = varName;
}
public IdentifierExpression(TraversalStepType type, String varName) {
this.varName = varName;
this.type = type;
}
public String getVariableName() {
return varName;
}
@Override
public void generateGroovy(GroovyGenerationContext context) {
context.append(varName);
}
@Override
public List<GroovyExpression> getChildren() {
return Collections.emptyList();
}
@Override
public GroovyExpression copy(List<GroovyExpression> newChildren) {
assert newChildren.isEmpty();
IdentifierExpression result = new IdentifierExpression(varName);
result.setType(type);
return result;
}
public void setType(TraversalStepType type) {
this.type = type;
}
@Override
public TraversalStepType getType() {
return type;
}
}