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    • com.linkedin.restli.client.BatchCreateIdEntityRequestBuilder Maven / Gradle / Ivy

    /*
   Copyright (c) 2015 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.client;


import com.linkedin.data.DataMap;
import com.linkedin.data.schema.PathSpec;
import com.linkedin.data.template.RecordTemplate;
import com.linkedin.restli.common.CollectionRequest;
import com.linkedin.restli.common.ResourceSpec;
import com.linkedin.restli.common.TypeSpec;
import com.linkedin.restli.common.attachments.RestLiAttachmentDataSourceWriter;
import com.linkedin.restli.common.attachments.RestLiDataSourceIterator;
import com.linkedin.restli.internal.client.BatchCreateIdEntityDecoder;

import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Map;


/**
 * Request Builder for Batch Creates that can respond with strongly-typed keys as first-class citizens.
 *
 * @author  Boyang Chen
 */
public class BatchCreateIdEntityRequestBuilder extends RestfulRequestBuilder>
{
  private final List _entities = new ArrayList();
  private final Class _valueClass;
  private List _streamingAttachments; //We initialize only when we need to.

  protected BatchCreateIdEntityRequestBuilder(String baseURITemplate,
                                              Class valueClass,
                                              ResourceSpec resourceSpec,
                                              RestliRequestOptions requestOptions)
  {
    super(baseURITemplate, resourceSpec, requestOptions);
    _valueClass = valueClass;
  }

  public BatchCreateIdEntityRequestBuilder input(V entity)
  {
    _entities.add(entity);
    return this;
  }

  public BatchCreateIdEntityRequestBuilder inputs(List entities)
  {
    _entities.addAll(entities);
    return this;
  }

  public BatchCreateIdEntityRequestBuilder appendSingleAttachment(final RestLiAttachmentDataSourceWriter streamingAttachment)
  {
    if (_streamingAttachments == null)
    {
      _streamingAttachments = new ArrayList<>();
    }

    _streamingAttachments.add(streamingAttachment);
    return this;
  }

  public BatchCreateIdEntityRequestBuilder appendMultipleAttachments(final RestLiDataSourceIterator dataSourceIterator)
  {
    if (_streamingAttachments == null)
    {
      _streamingAttachments = new ArrayList<>();
    }

    _streamingAttachments.add(dataSourceIterator);
    return this;
  }

  @Override
  public BatchCreateIdEntityRequestBuilder setParam(String key, Object value)
  {
    super.setParam(key, value);
    return this;
  }

  @Override
  public BatchCreateIdEntityRequestBuilder setReqParam(String key, Object value)
  {
    super.setReqParam(key, value);
    return this;
  }

  @Override
  public BatchCreateIdEntityRequestBuilder addParam(String key, Object value)
  {
    super.addParam(key, value);
    return this;
  }

  @Override
  public BatchCreateIdEntityRequestBuilder addReqParam(String key, Object value)
  {
    super.addReqParam(key, value);
    return this;
  }

  @Override
  public BatchCreateIdEntityRequestBuilder setHeader(String key, String value)
  {
    super.setHeader(key, value);
    return this;
  }

  @Override
  public BatchCreateIdEntityRequestBuilder setHeaders(Map headers)
  {
    super.setHeaders(headers);
    return this;
  }

  @Override
  public BatchCreateIdEntityRequestBuilder addHeader(String name, String value)
  {
    super.addHeader(name, value);
    return this;
  }

  @Override
  public BatchCreateIdEntityRequestBuilder pathKey(String name, Object value)
  {
    super.pathKey(name, value);
    return this;
  }

  public BatchCreateIdEntityRequestBuilder fields(PathSpec... fieldPaths)
  {
    addFields(fieldPaths);
    return this;
  }

  @Override
  public BatchCreateIdEntityRequest build()
  {
    @SuppressWarnings("unchecked")
    BatchCreateIdEntityDecoder decoder = new BatchCreateIdEntityDecoder((TypeSpec)_resourceSpec.getKeyType(),
                                                                                    (TypeSpec)_resourceSpec.getValueType(),
                                                                                    _resourceSpec.getKeyParts(),
                                                                                    _resourceSpec.getComplexKeyType());

    return new BatchCreateIdEntityRequest(buildReadOnlyHeaders(),
                                                buildReadOnlyCookies(),
                                                decoder,
                                                buildReadOnlyInput(),
                                                _resourceSpec,
                                                buildReadOnlyQueryParameters(),
                                                getQueryParamClasses(),
                                                getBaseUriTemplate(),
                                                buildReadOnlyPathKeys(),
                                                getRequestOptions(),
                                                _streamingAttachments == null ? null : Collections.unmodifiableList(_streamingAttachments));
  }

  private CollectionRequest buildReadOnlyInput()
  {
    try
    {
      DataMap map = new DataMap();
      CollectionRequest input = new CollectionRequest(map, _valueClass);

      for (V entity : _entities)
      {
        input.getElements().add(getReadOnlyOrCopyDataTemplate(entity));
      }

      map.setReadOnly();
      return input;
    }
    catch (CloneNotSupportedException cloneException)
    {
      throw new IllegalArgumentException("Entity cannot be copied.", cloneException);
    }
  }
}    
    
    
    

    




    
    
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