LogRecord.java

/*
 * Copyright 2014-2016 CyberVision, 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.kaaproject.kaa.client.logging;

import org.kaaproject.kaa.common.avro.AvroByteArrayConverter;
import org.kaaproject.kaa.schema.base.Log;

import java.io.IOException;

import javax.annotation.Generated;

/**
 * <p>Wrapper class to encapsulate Avro-generated log record.</p>
 *
 * <p>Used for Kaa own needs.</p>
 */
@Generated("LogRecord.java.template")
public class LogRecord {

  /**
   * Thread-local converter of log records to bytes.
   */
  private static final ThreadLocal<AvroByteArrayConverter<Log>> CONVERTER
      = new ThreadLocal<AvroByteArrayConverter<Log>>() {
        @Override
        protected AvroByteArrayConverter<Log> initialValue() {
          return new AvroByteArrayConverter<>(Log.class);
        }
      };

  /**
   * Avro-encoded log record.
   */
  private final byte[] encodedRecord;

  /**
   * Used for unit tests. Do not change it.
   */
  public LogRecord() {
    encodedRecord = new byte[3];
  }

  public LogRecord(Log record) throws IOException {
    encodedRecord = CONVERTER.get().toByteArray(record);
  }

  LogRecord(byte[] avroEncodedRecord) {
    encodedRecord = avroEncodedRecord;
  }

  byte[] getData() {
    return encodedRecord;
  }

  public long getSize() {
    return encodedRecord.length;
  }
}