/* Copyright (c) 2009 Google Inc.
*
* 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 com.google.wave.api;
import java.io.Serializable;
/**
* A class that models a range, that contains a start and end index.
*/
public class Range implements Serializable {
/** Start of the range. */
private final int start;
/** End of the range. */
private final int end;
/**
* Constructs a range object given a start and end index into the document.
*
* @param start the start of the range.
* @param end the end of the range.
*/
public Range(int start, int end) {
this.start = start;
this.end = end;
}
/**
* Returns the starting index of the range.
*
* @return the starting index.
*/
public int getStart() {
return start;
}
/**
* Returns the ending index of the range.
*
* @return the ending index.
*/
public int getEnd() {
return end;
}
@Override
public int hashCode() {
final int prime = 31;
int result = 1;
result = prime * result + end;
result = prime * result + start;
return result;
}
@Override
public boolean equals(Object obj) {
if (this == obj) {
return true;
}
if (obj == null) {
return false;
}
if (getClass() != obj.getClass()) {
return false;
}
Range other = (Range) obj;
return start == other.start && end == other.end;
}
@Override
public String toString() {
return "Range(" + start + ',' + end + ')';
}
}