org.apache.james.imap.api.message.IdRange 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.james.imap.api.message;
/**
* Represents a range of UID values.
*/
public class IdRange {
private long _lowVal;
private long _highVal;
public IdRange(long singleVal) {
_lowVal = singleVal;
_highVal = singleVal;
}
public IdRange(long lowVal, long highVal) {
_lowVal = lowVal;
_highVal = highVal;
}
public long getLowVal() {
return _lowVal;
}
public long getHighVal() {
return _highVal;
}
public boolean includes(long uid) {
return _lowVal <= uid && uid <= _highVal;
}
/**
* @see java.lang.Object#hashCode()
*/
public int hashCode() {
final int PRIME = 31;
int result = 1;
result = PRIME * result + (int) (_highVal ^ (_highVal >>> 32));
result = PRIME * result + (int) (_lowVal ^ (_lowVal >>> 32));
return result;
}
/**
* @see java.lang.Object#equals(java.lang.Object)
*/
public boolean equals(Object obj) {
if (this == obj)
return true;
if (obj == null)
return false;
if (getClass() != obj.getClass())
return false;
final IdRange other = (IdRange) obj;
if (_highVal != other._highVal)
return false;
if (_lowVal != other._lowVal)
return false;
return true;
}
/**
* Renders text suitable for logging.
*
* @return a String representation of this object.
*/
public String toString() {
final String retValue = "IdRange ( " + this._lowVal + "->"
+ this._highVal + " )";
return retValue;
}
}