twill-yarn/src/main/java/org/apache/twill/yarn/YarnSecureStore.java

/*
 * 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.twill.yarn;

import org.apache.hadoop.security.Credentials;
import org.apache.twill.api.SecureStore;

/**
 * A {@link SecureStore} for hadoop credentials.
 */
public final class YarnSecureStore implements SecureStore {

  private final Credentials credentials;

  public static SecureStore create(Credentials credentials) {
    return new YarnSecureStore(credentials);
  }

  private YarnSecureStore(Credentials credentials) {
    this.credentials = credentials;
  }

  @Override
  public Credentials getStore() {
    return credentials;
  }
}