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/*
 * Copyright (c) 2010-2015 Pivotal Software, Inc. 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. See the License for the specific language governing
 * permissions and limitations under the License. See accompanying
 * LICENSE file.
 */
package com.gemstone.gemfire.internal.cache.persistence;

import java.io.DataInput;
import java.io.DataOutput;
import java.io.IOException;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Map;
import java.util.Set;

import com.gemstone.gemfire.DataSerializable;
import com.gemstone.gemfire.distributed.internal.membership.InternalDistributedMember;
import com.gemstone.gemfire.internal.InternalDataSerializer;

public class PersistentMembershipView implements DataSerializable {
  private Set offlineMembers;
  private Map onlineMembers;
  private Set revokedMembers;
  
  public PersistentMembershipView() {
    
  }
  
  public PersistentMembershipView(Set offlineMembers,
      Map onlineMembers,
      Set revokedMembers) {
    this.offlineMembers = offlineMembers;
    this.onlineMembers = onlineMembers;
    this.revokedMembers = revokedMembers;
  }
  public Set getOfflineMembers() {
    return offlineMembers;
  }
  public Map getOnlineMembers() {
    return onlineMembers;
  }
  
  public Set getRevokedMembers() {
    return revokedMembers;
  }

  /* (non-Javadoc)
   * @see com.gemstone.gemfire.DataSerializable#fromData(java.io.DataInput)
   */
  public void fromData(DataInput in) throws IOException,
      ClassNotFoundException {
    int offlineSize = in.readInt();
    offlineMembers = new HashSet(offlineSize);
    for(int i = 0; i < offlineSize; i++) {
      PersistentMemberID id = new PersistentMemberID();
      InternalDataSerializer.invokeFromData(id, in);
      offlineMembers.add(id); 
    }
    
    int onlineSize = in.readInt();
    onlineMembers = new HashMap(onlineSize);
    for(int i = 0; i < onlineSize; i++) {
      InternalDistributedMember member = new InternalDistributedMember();
      InternalDataSerializer.invokeFromData(member, in);
      PersistentMemberID id = new PersistentMemberID();
      InternalDataSerializer.invokeFromData(id, in);
      onlineMembers.put(member, id); 
    }
    
    int revokedSized = in.readInt();
    revokedMembers = new HashSet(revokedSized);
    for(int i = 0; i < revokedSized; i++) {
      PersistentMemberPattern pattern = new PersistentMemberPattern();
      InternalDataSerializer.invokeFromData(pattern, in);
      revokedMembers.add(pattern);
    }
    
    
  }
  public void toData(DataOutput out) throws IOException {
    out.writeInt(offlineMembers.size());
    for(PersistentMemberID member: offlineMembers) {
      InternalDataSerializer.invokeToData(member, out);
    }
    out.writeInt(onlineMembers.size());
    for(Map.Entry entry : onlineMembers.entrySet()) {
      InternalDataSerializer.invokeToData(entry.getKey(), out);
      InternalDataSerializer.invokeToData(entry.getValue(), out);
    }
    
    out.writeInt(revokedMembers.size());
    for(PersistentMemberPattern revoked : revokedMembers) {
      InternalDataSerializer.invokeToData(revoked, out);
    }
  }

  @Override
  public String toString() {
    return "PersistentMembershipView[offline=" + offlineMembers + ",online=" + onlineMembers + ", revoked=" + revokedMembers + "]";
  }
}