org.apache.atlas.groovy.RangeExpression Maven / Gradle / Ivy
/**
* 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;
/**
* Represents an "exclusive" range expression, e.g. [0..<10].
*/
public class RangeExpression extends AbstractFunctionExpression {
private TraversalStepType stepType;
private int startIndex;
private int endIndex;
public RangeExpression(TraversalStepType stepType, GroovyExpression parent, int offset, int count) {
super(parent);
this.startIndex = offset;
this.endIndex = count;
this.stepType = stepType;
}
@Override
public void generateGroovy(GroovyGenerationContext context) {
getCaller().generateGroovy(context);
context.append(" [");
new LiteralExpression(startIndex).generateGroovy(context);
context.append("..<");
new LiteralExpression(endIndex).generateGroovy(context);
context.append("]");
}
@Override
public List getChildren() {
return Collections.singletonList(getCaller());
}
@Override
public GroovyExpression copy(List newChildren) {
assert newChildren.size() == 1;
return new RangeExpression(stepType, newChildren.get(0), startIndex, endIndex);
}
@Override
public TraversalStepType getType() {
return stepType;
}
public int getStartIndex() {
return startIndex;
}
public void setStartIndex(int startIndex) {
this.startIndex = startIndex;
}
public int getEndIndex() {
return endIndex;
}
public void setEndIndex(int endIndex) {
this.endIndex = endIndex;
}
}