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

    /*
   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.
 */

/**
 * $Id: $
 */

package com.linkedin.restli.client;


import com.linkedin.data.DataMap;
import com.linkedin.data.template.RecordTemplate;
import com.linkedin.internal.common.util.CollectionUtils;
import com.linkedin.restli.common.CollectionRequest;
import com.linkedin.restli.common.KeyValueRecord;
import com.linkedin.restli.common.KeyValueRecordFactory;
import com.linkedin.restli.common.ResourceSpec;
import com.linkedin.restli.common.attachments.RestLiAttachmentDataSourceWriter;
import com.linkedin.restli.common.attachments.RestLiDataSourceIterator;

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


/**
 * @author Josh Walker
 * @version $Revision: $
 */
public class BatchUpdateRequestBuilder extends
    BatchKVRequestBuilder>
{
  private final KeyValueRecordFactory _keyValueRecordFactory;
  private final Map _updateInputMap;
  private List _streamingAttachments; //We initialize only when we need to.

  @SuppressWarnings({"unchecked", "rawtypes"})
  public BatchUpdateRequestBuilder(String baseUriTemplate,
                                   Class valueClass,
                                   ResourceSpec resourceSpec,
                                   RestliRequestOptions requestOptions)
  {
    super(baseUriTemplate, resourceSpec, requestOptions);
    _keyValueRecordFactory
        = new KeyValueRecordFactory(_resourceSpec.getKeyType(),
                                    _resourceSpec.getComplexKeyType(),
                                    _resourceSpec.getKeyParts(),
                                    _resourceSpec.getValueType());
    _updateInputMap = new HashMap();
  }

  public BatchUpdateRequestBuilder input(K id, V entity)
  {
    addKey(id);
    _updateInputMap.put(id, entity);
    return this;
  }

  public BatchUpdateRequestBuilder inputs(Map entities)
  {
    addKeys(entities.keySet());
    for (Map.Entry entry: entities.entrySet())
    {
      K key = entry.getKey();
      V value = entry.getValue();
      _updateInputMap.put(key, value);
    }
    return this;
  }

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

    _streamingAttachments.add(streamingAttachment);
    return this;
  }

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

    _streamingAttachments.add(dataSourceIterator);
    return this;
  }

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

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

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

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

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

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

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

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

  @Override
  public BatchUpdateRequest build()
  {
    ensureBatchKeys();
    Map readOnlyUpdateInputMap = new HashMap(
        CollectionUtils.getMapInitialCapacity(_updateInputMap.size(), 0.75f), 0.75f);
    CollectionRequest> readOnlyInput = buildReadOnlyBatchUpdateInput(readOnlyUpdateInputMap);

    return new BatchUpdateRequest(buildReadOnlyHeaders(),
                                        buildReadOnlyCookies(),
                                        readOnlyInput,
                                        buildReadOnlyQueryParameters(),
                                        getQueryParamClasses(),
                                        _resourceSpec,
                                        getBaseUriTemplate(),
                                        buildReadOnlyPathKeys(),
                                        getRequestOptions(),
                                        Collections.unmodifiableMap(readOnlyUpdateInputMap),
                                        _streamingAttachments == null ? null : Collections.unmodifiableList(_streamingAttachments));
  }

  private CollectionRequest> buildReadOnlyBatchUpdateInput(Map readOnlyInputEntities)
  {
    try
    {
      DataMap map = new DataMap();
      @SuppressWarnings({"unchecked", "rawtypes"})
      CollectionRequest> input = new CollectionRequest(map, KeyValueRecord.class);

      for (Map.Entry inputEntityEntry : _updateInputMap.entrySet())
      {
        K key = getReadOnlyOrCopyKey(inputEntityEntry.getKey());
        V entity = getReadOnlyOrCopyDataTemplate(inputEntityEntry.getValue());
        readOnlyInputEntities.put(key, entity);
        KeyValueRecord keyValueRecord = _keyValueRecordFactory.create(key, entity);
        keyValueRecord.data().setReadOnly();
        input.getElements().add(keyValueRecord);
      }

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

    




    
    
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