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/*
 * Copyright 2014 the original author or authors.
 *
 * 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 net.kuujo.copycat.event.retention;

import net.kuujo.copycat.util.AbstractConfigurable;
import net.kuujo.copycat.log.LogSegment;

import java.util.Map;

/**
 * Always retains logs.
 *
 * @author Jordan Halterman
 */
public class FullRetentionPolicy extends AbstractConfigurable implements RetentionPolicy {

  public FullRetentionPolicy() {
  }

  public FullRetentionPolicy(Map config) {
    super(config);
  }

  protected FullRetentionPolicy(FullRetentionPolicy config) {
    super(config);
  }

  @Override
  public FullRetentionPolicy copy() {
    return new FullRetentionPolicy(this);
  }

  @Override
  public boolean retain(LogSegment segment) {
    return true;
  }

}