Package org.apache.cassandra.spark.sparksql

Class LastModifiedTimestampDecorator<T extends org.apache.spark.sql.catalyst.InternalRow>

  • Type Parameters:
    T - type of row returned by this builder
    All Implemented Interfaces:
    org.apache.cassandra.spark.sparksql.RowBuilder<T>
    public class LastModifiedTimestampDecorator<T extends org.apache.spark.sql.catalyst.InternalRow>
extends java.lang.Object
    Wrap a builder to append last modified timestamp

    • Field Summary

      Fields 
      Modifier and Type Field Description
      protected org.apache.cassandra.spark.sparksql.RowBuilder<T> delegate  

    • Constructor Summary

      Constructors 
      Constructor Description
      LastModifiedTimestampDecorator​(org.apache.cassandra.spark.sparksql.RowBuilder<T> delegate, java.lang.String fieldName)  

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      java.lang.Object[] array()  
      T build()  
      int columnsCount()  
      void copyKeys​(org.apache.cassandra.spark.sparksql.Cell cell)  
      void copyValue​(org.apache.cassandra.spark.sparksql.Cell cell)  
      int expandRow​(int extraColumns)  
      protected int extraColumns()  
      int fieldIndex​(java.lang.String name)  
      org.apache.cassandra.spark.data.CqlTable getCqlTable()  
      boolean hasMoreCells()  
      boolean hasRegularValueColumn()  
      protected int internalExpandRow()
      Preferred to call if the decorator is adding extra columns
      boolean isFirstCell()  
      void onCell​(org.apache.cassandra.spark.sparksql.Cell cell)  
      void reset()  

      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

    • Field Detail

      • delegate

        protected final org.apache.cassandra.spark.sparksql.RowBuilder<T extends org.apache.spark.sql.catalyst.InternalRow> delegate

    • Constructor Detail

      • LastModifiedTimestampDecorator

        public LastModifiedTimestampDecorator​(org.apache.cassandra.spark.sparksql.RowBuilder<T> delegate,
                                      java.lang.String fieldName)

    • Method Detail

      • reset

        public void reset()
        Specified by:
        reset in interface org.apache.cassandra.spark.sparksql.RowBuilder<T extends org.apache.spark.sql.catalyst.InternalRow>

      • onCell

        public void onCell​(org.apache.cassandra.spark.sparksql.Cell cell)
        Specified by:
        onCell in interface org.apache.cassandra.spark.sparksql.RowBuilder<T extends org.apache.spark.sql.catalyst.InternalRow>

      • extraColumns

        protected int extraColumns()

      • build

        public T build()
        Specified by:
        build in interface org.apache.cassandra.spark.sparksql.RowBuilder<T extends org.apache.spark.sql.catalyst.InternalRow>

      • columnsCount

        public int columnsCount()
        Specified by:
        columnsCount in interface org.apache.cassandra.spark.sparksql.RowBuilder<T extends org.apache.spark.sql.catalyst.InternalRow>

      • hasRegularValueColumn

        public boolean hasRegularValueColumn()
        Specified by:
        hasRegularValueColumn in interface org.apache.cassandra.spark.sparksql.RowBuilder<T extends org.apache.spark.sql.catalyst.InternalRow>

      • isFirstCell

        public boolean isFirstCell()
        Specified by:
        isFirstCell in interface org.apache.cassandra.spark.sparksql.RowBuilder<T extends org.apache.spark.sql.catalyst.InternalRow>

      • hasMoreCells

        public boolean hasMoreCells()
        Specified by:
        hasMoreCells in interface org.apache.cassandra.spark.sparksql.RowBuilder<T extends org.apache.spark.sql.catalyst.InternalRow>

      • copyKeys

        public void copyKeys​(org.apache.cassandra.spark.sparksql.Cell cell)
        Specified by:
        copyKeys in interface org.apache.cassandra.spark.sparksql.RowBuilder<T extends org.apache.spark.sql.catalyst.InternalRow>

      • copyValue

        public void copyValue​(org.apache.cassandra.spark.sparksql.Cell cell)
        Specified by:
        copyValue in interface org.apache.cassandra.spark.sparksql.RowBuilder<T extends org.apache.spark.sql.catalyst.InternalRow>

      • array

        public java.lang.Object[] array()
        Specified by:
        array in interface org.apache.cassandra.spark.sparksql.RowBuilder<T extends org.apache.spark.sql.catalyst.InternalRow>

      • expandRow

        public int expandRow​(int extraColumns)
        Specified by:
        expandRow in interface org.apache.cassandra.spark.sparksql.RowBuilder<T extends org.apache.spark.sql.catalyst.InternalRow>

      • getCqlTable

        public org.apache.cassandra.spark.data.CqlTable getCqlTable()
        Specified by:
        getCqlTable in interface org.apache.cassandra.spark.sparksql.RowBuilder<T extends org.apache.spark.sql.catalyst.InternalRow>

      • internalExpandRow

        protected int internalExpandRow()
        Preferred to call if the decorator is adding extra columns
        Returns:
        the index of the fist extra column

      • fieldIndex

        public int fieldIndex​(java.lang.String name)
        Specified by:
        fieldIndex in interface org.apache.cassandra.spark.sparksql.RowBuilder<T extends org.apache.spark.sql.catalyst.InternalRow>