/*
* Copyright 2014 NAVER Corp.
*
* 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.navercorp.pinpoint.common.server.util;
import com.navercorp.pinpoint.common.util.BytesUtils;
import com.navercorp.pinpoint.common.util.TimeUtils;
import static com.navercorp.pinpoint.common.PinpointConstants.AGENT_NAME_MAX_LEN;
import static com.navercorp.pinpoint.common.util.BytesUtils.INT_BYTE_LENGTH;
import static com.navercorp.pinpoint.common.util.BytesUtils.LONG_BYTE_LENGTH;
/**
* @author emeroad
*/
public final class RowKeyUtils {
private RowKeyUtils() {
}
public static byte[] concatFixedByteAndLong(byte[] fixedBytes, int maxFixedLength, long l) {
if (fixedBytes == null) {
throw new NullPointerException("fixedBytes must not null");
}
if (fixedBytes.length > maxFixedLength) {
throw new IndexOutOfBoundsException("fixedBytes.length too big. length:" + fixedBytes.length);
}
byte[] rowKey = new byte[maxFixedLength + LONG_BYTE_LENGTH];
BytesUtils.writeBytes(rowKey, 0, fixedBytes);
BytesUtils.writeLong(l, rowKey, maxFixedLength);
return rowKey;
}
public static byte[] getMetaInfoRowKey(String agentId, long agentStartTime, int keyCode) {
if (agentId == null) {
throw new NullPointerException("agentId must not be null");
}
final byte[] agentBytes = BytesUtils.toBytes(agentId);
if (agentBytes.length > AGENT_NAME_MAX_LEN) {
throw new IndexOutOfBoundsException("agent.length too big. agent:" + agentId + " length:" + agentId.length());
}
final byte[] buffer = new byte[AGENT_NAME_MAX_LEN + LONG_BYTE_LENGTH + INT_BYTE_LENGTH];
BytesUtils.writeBytes(buffer, 0, agentBytes);
long reverseCurrentTimeMillis = TimeUtils.reverseTimeMillis(agentStartTime);
BytesUtils.writeLong(reverseCurrentTimeMillis, buffer, AGENT_NAME_MAX_LEN);
BytesUtils.writeInt(keyCode, buffer, AGENT_NAME_MAX_LEN + LONG_BYTE_LENGTH);
return buffer;
}
}