/*
* Copyright 2008-present MongoDB, 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 org.bson.types;
import java.io.Serializable;
import java.util.Date;
This is used for internal increment values. For normal dates you should use java.util.Date time is seconds since epoch
inc is an ordinal.
@mongodb.driver.manual reference/bson-types/#timestamps Timestamps
/**
* This is used for internal increment values. For normal dates you should use java.util.Date <em>time</em> is seconds since epoch
* <em>inc</em> is an ordinal.
*
* @mongodb.driver.manual reference/bson-types/#timestamps Timestamps
*/
public final class BSONTimestamp implements Comparable<BSONTimestamp>, Serializable {
private static final long serialVersionUID = -3268482672267936464L;
private final int inc;
private final Date time;
Creates a new instance.
/**
* Creates a new instance.
*/
public BSONTimestamp() {
inc = 0;
time = null;
}
Creates a new instance.
Params: - time – the time in seconds since epoch
- increment – an incrementing ordinal for operations within a given second
@mongodb.driver.manual reference/bson-types/#timestamps Timestamps
/**
* Creates a new instance.
*
* @param time the time in seconds since epoch
* @param increment an incrementing ordinal for operations within a given second
* @mongodb.driver.manual reference/bson-types/#timestamps Timestamps
*/
public BSONTimestamp(final int time, final int increment) {
this.time = new Date(time * 1000L);
this.inc = increment;
}
Gets the time in seconds since epoch
Returns: an int representing time in seconds since epoch
/**
* Gets the time in seconds since epoch
*
* @return an int representing time in seconds since epoch
*/
public int getTime() {
if (time == null) {
return 0;
}
return (int) (time.getTime() / 1000);
}
Gets the incrementing ordinal for operations within a given second.
Returns: the increment ordinal
/**
* Gets the incrementing ordinal for operations within a given second.
*
* @return the increment ordinal
*/
public int getInc() {
return inc;
}
@Override
public String toString() {
return "TS time:" + time + " inc:" + inc;
}
@Override
public int compareTo(final BSONTimestamp ts) {
if (getTime() != ts.getTime()) {
return getTime() - ts.getTime();
} else {
return getInc() - ts.getInc();
}
}
@Override
public int hashCode() {
int prime = 31;
int result = 1;
result = prime * result + inc;
result = prime * result + getTime();
return result;
}
@Override
public boolean equals(final Object obj) {
if (obj == this) {
return true;
}
if (obj instanceof BSONTimestamp) {
BSONTimestamp t2 = (BSONTimestamp) obj;
return getTime() == t2.getTime() && getInc() == t2.getInc();
}
return false;
}
}