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Tests for JSR107 compliant caches. These are tests from the JSR107 TCK that were published as Open Source. The artifact may also contain additional tests and improvements. For compliance testing use the original TCK as published via jcp.org.

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/**
 *  Copyright 2011-2013 Terracotta, Inc.
 *  Copyright 2011-2013 Oracle, Inc.
 *
 *  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 org.jsr107.tck.expiry;

import org.jsr107.tck.support.OperationHandler;
import org.jsr107.tck.support.Server;

import javax.cache.expiry.Duration;
import javax.cache.expiry.ExpiryPolicy;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;

/**
 *
 */
public class ExpiryPolicyServer extends Server {

  /**
   * The type of operation that was performed on a Cache.Entry
   */
  public enum EntryOperation {
    /**
     * An entry was created.
     */
    CREATION,

    /**
     * An entry was accessed.
     */
    ACCESSED,

    /**
     * An entry was updated.
     */
    UPDATED;
  }

  /**
   * The underlying {@link javax.cache.integration.CacheLoader} that will be used to
   * load entries requested by the {@link org.jsr107.tck.integration.CacheLoaderClient}s.
   */
  private ExpiryPolicy expiryPolicy;

  /**
   * Constructs an {@link ExpiryPolicyServer} (without a {@link ExpiryPolicy} to
   * which client requests will be delegated).
   *
   * @param port the port on which to accept {@link ExpiryPolicyClient} requests
   */
  public ExpiryPolicyServer(int port) {
    this(port, null);
  }

  /**
   * Constructs an ExpiryPolicyServer.
   *
   * @param port         the port on which to accept {@link ExpiryPolicyClient} requests
   * @param expiryPolicy (optional) the {@link ExpiryPolicy} that will be used to handle
   *                     client requests
   */
  public ExpiryPolicyServer(int port, ExpiryPolicy expiryPolicy) {
    super(port);

    // establish the client-server operation handlers
    addOperationHandler(new GetExpiryOperationHandler());

    this.expiryPolicy = expiryPolicy;
  }

  /**
   * Set the {@link ExpiryPolicy} the {@link ExpiryPolicyServer} should use
   * from now on.
   *
   * @param expiryPolicy the {@link ExpiryPolicy}
   */
  public void setExpiryPolicy(ExpiryPolicy expiryPolicy) {
    this.expiryPolicy = expiryPolicy;
  }

  public ExpiryPolicy getExpiryPolicy() {
    return expiryPolicy;
  }

  /**
   * The {@link OperationHandler} for a {@link ExpiryPolicy} operation.
   */
  public class GetExpiryOperationHandler implements OperationHandler {
    @Override
    public String getType() {
      return "getExpiry";
    }

    @Override
    public void onProcess(ObjectInputStream ois,
                          ObjectOutputStream oos) throws IOException, ClassNotFoundException {

      if (expiryPolicy == null) {
        throw new NullPointerException("The ExpiryPolicy for the ExpiryPolicyServer has not be set");
      } else {
        EntryOperation entryOperation = EntryOperation.valueOf((String)ois.readObject());

        try {
          Duration duration;
          switch (entryOperation) {
            case CREATION:
              duration = expiryPolicy.getExpiryForCreation();
              break;
            case ACCESSED:
              duration = expiryPolicy.getExpiryForAccess();
              break;
            case UPDATED:
              duration = expiryPolicy.getExpiryForUpdate();
              break;
            default:
              duration = null;
              break;
          }
          oos.writeObject(duration);
        } catch (Exception e) {
          oos.writeObject(e);
        }
      }
    }
  }
}