Package org.apache.iceberg.parquet

Class ParquetValueReaders.StructReader<T,​I>

    • Constructor Summary

      Constructors 
      Modifier Constructor Description
      protected StructReader​(java.util.List<org.apache.parquet.schema.Type> types, java.util.List<ParquetValueReader<?>> readers)  

    • Method Summary

      All Methods Instance Methods Abstract Methods Concrete Methods 
      Modifier and Type Method Description
      protected abstract T buildStruct​(I struct)  
      org.apache.iceberg.parquet.TripleIterator<?> column()  
      java.util.List<org.apache.iceberg.parquet.TripleIterator<?>> columns()  
      protected abstract java.lang.Object getField​(I intermediate, int pos)  
      protected abstract I newStructData​(T reuse)  
      T read​(T reuse)  
      protected abstract void set​(I struct, int pos, java.lang.Object value)
      Used to set a struct value by position.
      protected void setBoolean​(I struct, int pos, boolean value)  
      protected void setDouble​(I struct, int pos, double value)  
      protected void setFloat​(I struct, int pos, float value)  
      protected void setInteger​(I struct, int pos, int value)  
      protected void setLong​(I struct, int pos, long value)  
      protected void setNull​(I struct, int pos)  
      void setPageSource​(org.apache.parquet.column.page.PageReadStore pageStore, long rowPosition)  

      • Methods inherited from class java.lang.Object

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

    • Constructor Detail

      • StructReader

        protected StructReader​(java.util.List<org.apache.parquet.schema.Type> types,
                       java.util.List<ParquetValueReader<?>> readers)

    • Method Detail

      • setPageSource

        public final void setPageSource​(org.apache.parquet.column.page.PageReadStore pageStore,
                                long rowPosition)
        Specified by:
        setPageSource in interface ParquetValueReader<T>

      • column

        public final org.apache.iceberg.parquet.TripleIterator<?> column()
        Specified by:
        column in interface ParquetValueReader<T>

      • columns

        public java.util.List<org.apache.iceberg.parquet.TripleIterator<?>> columns()
        Specified by:
        columns in interface ParquetValueReader<T>

      • newStructData

        protected abstract I newStructData​(T reuse)

      • getField

        protected abstract java.lang.Object getField​(I intermediate,
                                             int pos)

      • buildStruct

        protected abstract T buildStruct​(I struct)

      • set

        protected abstract void set​(I struct,
                            int pos,
                            java.lang.Object value)
        Used to set a struct value by position.

        To avoid boxing, override setInteger(Object, int, int) and similar methods.

        Parameters:
        struct - a struct object created by newStructData(Object)
        pos - the position in the struct to set
        value - the value to set

      • setNull

        protected void setNull​(I struct,
                       int pos)

      • setBoolean

        protected void setBoolean​(I struct,
                          int pos,
                          boolean value)

      • setInteger

        protected void setInteger​(I struct,
                          int pos,
                          int value)

      • setLong

        protected void setLong​(I struct,
                       int pos,
                       long value)

      • setFloat

        protected void setFloat​(I struct,
                        int pos,
                        float value)

      • setDouble

        protected void setDouble​(I struct,
                         int pos,
                         double value)