Package org.apache.iotdb.db.mpp.transformation.dag.column

Class ColumnCache

  • public class ColumnCache
extends java.lang.Object

    • Constructor Summary

      Constructors 
      Constructor Description
      ColumnCache()  

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      void cacheColumn​(org.apache.iotdb.tsfile.read.common.block.column.Column column, int referenceCount)  
      org.apache.iotdb.tsfile.read.common.block.column.Column getColumn()  
      int getPositionCount()  
      boolean hasCached()  

      • Methods inherited from class java.lang.Object

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

    • Constructor Detail

      • ColumnCache

        public ColumnCache()

    • Method Detail

      • getColumn

        public org.apache.iotdb.tsfile.read.common.block.column.Column getColumn()

      • getPositionCount

        public int getPositionCount()

      • cacheColumn

        public void cacheColumn​(org.apache.iotdb.tsfile.read.common.block.column.Column column,
                        int referenceCount)

      • hasCached

        public boolean hasCached()