org.apache.accumulo.tserver.tablet.KVEntry Maven / Gradle / Ivy

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The tablet server for Apache Accumulo to host tablets of data tables.

There is a newer version: 3.0.0

/*
 * 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.accumulo.tserver.tablet;

import java.util.Arrays;

import org.apache.accumulo.core.data.Key;
import org.apache.accumulo.core.data.KeyValue;
import org.apache.accumulo.core.data.Value;

public class KVEntry extends KeyValue {
  private static final long serialVersionUID = 1L;

  public KVEntry(Key k, Value v) {
    super(new Key(k), Arrays.copyOf(v.get(), v.get().length));
  }

  int numBytes() {
    return getKey().getSize() + getValue().get().length;
  }

  int estimateMemoryUsed() {
    return getKey().getSize() + getValue().get().length + (9 * 32); // overhead is 32 per object
  }
}