/**
 * Copyright 2016 LinkedIn Corp. All rights reserved.
 *
 * 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.
 */
package com.github.ambry.store;

import java.util.HashMap;
import java.util.Iterator;
import java.util.List;


public class DummyMessageStoreHardDelete implements MessageStoreHardDelete {
  HashMap<Long, MessageInfo> dummyMap;

  public DummyMessageStoreHardDelete(HashMap<Long, MessageInfo> dummyMap) {
    this.dummyMap = dummyMap;
  }

  public DummyMessageStoreHardDelete() {
  }

  @Override
  public Iterator<HardDeleteInfo> getHardDeleteMessages(MessageReadSet readSet, StoreKeyFactory factory,
      List<byte[]> recoveryInfoList) {
    return new Iterator<HardDeleteInfo>() {
      @Override
      public boolean hasNext() {
        return false;
      }

      @Override
      public HardDeleteInfo next() {
        return null;
      }

      @Override
      public void remove() {
        throw new UnsupportedOperationException();
      }
    };
  }

  @Override
  public MessageInfo getMessageInfo(Read read, long offset, StoreKeyFactory factory) {
    return dummyMap.get(offset);
  }
}