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Android SDK used by developers to provide Backendless API in apps.
There is a newer version: 7.0-alpha
package com.backendless.persistence;

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

public class DataQueryBuilder
{
  private PagedQueryBuilder pagedQueryBuilder;
  private QueryOptionsBuilder queryOptionsBuilder;
  private List properties;
  private String whereClause;
  private List groupBy;
  private String havingClause;

  private DataQueryBuilder()
  {
    properties = new ArrayList<>();
    pagedQueryBuilder = new PagedQueryBuilder<>( this );
    queryOptionsBuilder = new QueryOptionsBuilder<>( this );
    groupBy = new ArrayList<>();
    havingClause = "";
  }

  public static DataQueryBuilder create()
  {
    return new DataQueryBuilder();
  }

  public BackendlessDataQuery build()
  {
    BackendlessDataQuery dataQuery = pagedQueryBuilder.build();

    dataQuery.setQueryOptions( queryOptionsBuilder.build() );
    dataQuery.setProperties( properties );
    dataQuery.setWhereClause( whereClause );
    dataQuery.setGroupBy( groupBy );
    dataQuery.setHavingClause( havingClause );

    return dataQuery;
  }

  /*--- Auto-generated code ---*/

  public DataQueryBuilder setPageSize( int pageSize )
  {
    return pagedQueryBuilder.setPageSize( pageSize );
  }

  public DataQueryBuilder setOffset( int offset )
  {
    return pagedQueryBuilder.setOffset( offset );
  }

  public DataQueryBuilder prepareNextPage()
  {
    return pagedQueryBuilder.prepareNextPage();
  }

  public DataQueryBuilder preparePreviousPage()
  {
    return pagedQueryBuilder.preparePreviousPage();
  }

  public List getProperties()
  {
    return properties;
  }

  public DataQueryBuilder setProperties( List properties )
  {
    this.properties = properties;
    return this;
  }

  public DataQueryBuilder setProperties( String... properties )
  {
    this.properties = new ArrayList<>( Arrays.asList( properties ) );
    return this;
  }

  public DataQueryBuilder addProperty( String property )
  {
    this.properties.add( property );
    return this;
  }

  public String getWhereClause()
  {
    return whereClause;
  }

  public DataQueryBuilder setWhereClause( String whereClause )
  {
    this.whereClause = whereClause;
    return this;
  }

  public List getSortBy()
  {
    return queryOptionsBuilder.getSortBy();
  }

  public DataQueryBuilder setSortBy( List sortBy )
  {
    return queryOptionsBuilder.setSortBy( sortBy );
  }

  public DataQueryBuilder setSortBy( String... sortBy )
  {
    return queryOptionsBuilder.setSortBy( sortBy );
  }

  public DataQueryBuilder addSortBy( String sortBy )
  {
    return queryOptionsBuilder.addSortBy( sortBy );
  }

  public List getRelated()
  {
    return queryOptionsBuilder.getRelated();
  }

  public DataQueryBuilder setRelated( List related )
  {
    return queryOptionsBuilder.setRelated( related );
  }

  public DataQueryBuilder setRelated( String... related )
  {
    return queryOptionsBuilder.setRelated( related );
  }

  public DataQueryBuilder addRelated( List related )
  {
    return queryOptionsBuilder.addRelated( related );
  }

  public DataQueryBuilder addRelated( String related )
  {
    return queryOptionsBuilder.addRelated( related );
  }

  public Integer getRelationsDepth()
  {
    return queryOptionsBuilder.getRelationsDepth();
  }

  public DataQueryBuilder setRelationsDepth( Integer relationsDepth )
  {
    return queryOptionsBuilder.setRelationsDepth( relationsDepth );
  }

  public DataQueryBuilder setGroupBy( String... groupBy )
  {
    this.groupBy = new ArrayList<>( Arrays.asList( groupBy ) );
    return this;
  }

  public DataQueryBuilder addGroupBy( String... groupBy )
  {
    this.groupBy = this.groupBy != null ? this.groupBy : new ArrayList();
    Collections.addAll( this.groupBy, groupBy );
    return this;
  }

  public DataQueryBuilder setHavingClause( String havingClause )
  {
    this.havingClause = havingClause;
    return this;
  }

  public DataQueryBuilder setRelationsPageSize( Integer relationsPageSize )
  {
    return queryOptionsBuilder.setRelationsPageSize( relationsPageSize );
  }

  public Integer getRelationPageSize()
  {
    return queryOptionsBuilder.getRelationsPageSize();
  }
}