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/**
 * Copyright 2017 The jetcd 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 io.etcd.jetcd.lease;

import io.etcd.jetcd.AbstractResponse;
import io.etcd.jetcd.ByteSequence;
import java.util.List;
import java.util.stream.Collectors;

public class LeaseTimeToLiveResponse extends
    AbstractResponse {

  private List keys;

  public LeaseTimeToLiveResponse(io.etcd.jetcd.api.LeaseTimeToLiveResponse response) {
    super(response, response.getHeader());
  }

  /**
   * ID is the lease ID from the keep alive request.
   */
  public long getID() {
    return getResponse().getID();
  }

  /**
   * TTL is the remaining TTL in seconds for the lease;
   * the lease will expire in under TTL+1 seconds.
   */
  public long getTTl() {
    return getResponse().getTTL();
  }

  /**
   * GrantedTTL is the initial granted time in seconds upon lease creation/renewal.
   */
  public long getGrantedTTL() {
    return getResponse().getGrantedTTL();
  }

  /**
   * Keys is the list of keys attached to this lease.
   */
  public synchronized List getKeys() {
    if (keys == null) {
      keys = getResponse().getKeysList().stream()
          .map(ByteSequence::from)
          .collect(Collectors.toList());
    }

    return keys;
  }
}