ChainedTyperefResource.java

/*
   Copyright (c) 2012 LinkedIn Corp.

   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 com.linkedin.restli.examples.greetings.server;

import java.util.Collections;
import java.util.Date;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Set;

import com.linkedin.restli.common.CompoundKey;
import com.linkedin.restli.common.HttpStatus;
import com.linkedin.restli.examples.custom.types.CustomNonNegativeLong;
import com.linkedin.restli.examples.greetings.api.Greeting;
import com.linkedin.restli.examples.typeref.api.CustomNonNegativeLongRef;
import com.linkedin.restli.examples.typeref.api.DateRef;
import com.linkedin.restli.server.BatchUpdateRequest;
import com.linkedin.restli.server.BatchUpdateResult;
import com.linkedin.restli.server.RestLiServiceException;
import com.linkedin.restli.server.UpdateResponse;
import com.linkedin.restli.server.annotations.AssocKeyParam;
import com.linkedin.restli.server.annotations.Finder;
import com.linkedin.restli.server.annotations.Key;
import com.linkedin.restli.server.annotations.RestLiAssociation;
import com.linkedin.restli.server.resources.AssociationResourceTemplate;

/**
 * Uses CustomNonNegativeLong which is a typeref to CustomLong, which is a typeref to long
 *
 * Note that there are no coercers in this typeref chain.
 * @author jbetz
 *
 */
@RestLiAssociation(
        name = "chainedTyperefs",
        namespace = "com.linkedin.restli.examples.greetings.client",
        assocKeys = {
                @Key(name = "age", type = CustomNonNegativeLong.class, typeref = CustomNonNegativeLongRef.class),
                @Key(name = "birthday", type = Date.class, typeref = DateRef.class)
        }
)
public class ChainedTyperefResource extends AssociationResourceTemplate<Greeting>
{

  @Override
  public Greeting get(CompoundKey key)
  {
    CustomNonNegativeLong age = (CustomNonNegativeLong)key.getPart("age");
    Date birthday = (Date)key.getPart("birthday");

    return new Greeting().setId(age.toLong() + birthday.getTime());
  }

  @Override
  public BatchUpdateResult<CompoundKey, Greeting> batchUpdate(BatchUpdateRequest<CompoundKey, Greeting> entities)
  {
    Set<CompoundKey> keys = entities.getData().keySet();
    Map<CompoundKey, UpdateResponse> responseMap = new HashMap<CompoundKey, UpdateResponse>();
    Map<CompoundKey, RestLiServiceException> errorMap = new HashMap<CompoundKey, RestLiServiceException>();

    for(CompoundKey key : keys)
    {
      responseMap.put(key, new UpdateResponse(HttpStatus.S_201_CREATED));
    }
    return new BatchUpdateResult<CompoundKey, Greeting>(responseMap);
  }

  @Finder("dateOnly")
  public List<Greeting> dateOnly(@AssocKeyParam(value="birthday", typeref=DateRef.class) Date date)
  {
    return Collections.emptyList();
  }

}