/** * 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; } }