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Repackaged OData V2 Olingo Library
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 * Licensed to the Apache Software Foundation (ASF) under one
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 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
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 * 
 * http://www.apache.org/licenses/LICENSE-2.0
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 * Unless required by applicable law or agreed to in writing,
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package org.apache.olingo.odata2.api.batch;

import java.util.List;

import org.apache.olingo.odata2.api.processor.ODataResponse;
import org.apache.olingo.odata2.api.rt.RuntimeDelegate;

/**
 * A BatchResponsePart
 *  BatchResponsePart represents a distinct part of a Batch Response body. It can be a ChangeSet response or a
 * response to a retrieve request
 * 
 */
public abstract class BatchResponsePart implements BatchParserResult {

  /**
   * Get responses. If a BatchResponsePart is a response to a retrieve request, the list consists of one response.
   * @return a list of {@link ODataResponse}
   */
  public abstract List getResponses();

  /**
   * Get the info if a BatchResponsePart is a ChangeSet response
   * @return true or false
   */
  public abstract boolean isChangeSet();

  /**
   * 
   * @param responses a list of {@link ODataResponse}
   * @return a builder object
   */
  public static BatchResponsePartBuilder responses(final List responses) {
    return newBuilder().responses(responses);
  }

  /**
   * @param isChangeSet true if a BatchResponsePart is a ChangeSet response
   * @return a builder object
   */
  public static BatchResponsePartBuilder changeSet(final boolean isChangeSet) {
    return newBuilder().changeSet(isChangeSet);
  }

  /**
   * @return returns a new builder object
   */
  public static BatchResponsePartBuilder newBuilder() {
    return BatchResponsePartBuilder.newInstance();
  }

  /**
   * Implementation of the builder pattern to create instances of this type of object.
   * 
   */
  public static abstract class BatchResponsePartBuilder {
    public abstract BatchResponsePart build();

    private static BatchResponsePartBuilder newInstance() {
      return RuntimeDelegate.createBatchResponsePartBuilder();
    }

    public abstract BatchResponsePartBuilder responses(List responses);

    public abstract BatchResponsePartBuilder changeSet(boolean isChangeSet);
  }
}