com.eightkdata.mongowp.bson.impl.ByteArrayBsonObjectId Maven / Gradle / Ivy
/*
* This file is part of MongoWP.
*
* MongoWP is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* MongoWP is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with bson-core. If not, see .
*
* Copyright (C) 2016 8Kdata.
*
*/
package com.eightkdata.mongowp.bson.impl;
import com.eightkdata.mongowp.bson.abst.AbstractBsonObjectId;
import com.google.common.base.Preconditions;
import com.google.common.primitives.UnsignedInteger;
import java.util.Arrays;
/**
*
*/
public class ByteArrayBsonObjectId extends AbstractBsonObjectId {
private static final long serialVersionUID = -8871610748330532954L;
private final byte[] bytes;
public ByteArrayBsonObjectId(byte[] bytes) {
Preconditions.checkArgument(bytes.length >= 12, "The given array of bytes is too short");
this.bytes = Arrays.copyOf(bytes, 12);
}
@Override
protected byte[] getBytesUnsafe() {
return bytes;
}
@Override
public byte[] toByteArray() {
return Arrays.copyOf(bytes, 12);
}
@Override
public UnsignedInteger getUnsignedTimestamp() {
return UnsignedInteger.fromIntBits(getIntTimestamp());
}
private int getIntTimestamp() {
return bytesAsInt(bytes[0], bytes[1], bytes[2], bytes[3]);
}
@Override
public int getMachineIdentifier() {
return bytesAsInt((byte) 0, bytes[4], bytes[5], bytes[6]);
}
@Override
public int getProcessId() {
return bytesAsInt((byte) 0, (byte) 0, bytes[7], bytes[8]);
}
@Override
public int getCounter() {
return bytesAsInt((byte) 0, bytes[9], bytes[10], bytes[11]);
}
}
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