Module org.elasticsearch.compute
Package org.elasticsearch.compute.expression

Record Class LoadFromPageEvaluator

java.lang.Object
java.lang.Record
org.elasticsearch.compute.expression.LoadFromPageEvaluator
All Implemented Interfaces:
Closeable, AutoCloseable, ExpressionEvaluator, org.elasticsearch.core.Releasable
public record LoadFromPageEvaluator(int channel) extends Record implements ExpressionEvaluator
ExpressionEvaluator that loads from the Page directly.

  • Constructor Details

    • LoadFromPageEvaluator

      public LoadFromPageEvaluator(int channel)
      Creates an instance of a LoadFromPageEvaluator record class.
      Parameters:
      channel - the value for the channel record component

  • Method Details

    • eval

      public Block eval(Page page)
      Description copied from interface: ExpressionEvaluator
      Evaluate the expression.
      Specified by:
      eval in interface ExpressionEvaluator
      Returns:
      the returned Block has its own reference and the caller is responsible for releasing it.

    • baseRamBytesUsed

      public long baseRamBytesUsed()
      Description copied from interface: ExpressionEvaluator
      Heap used by the evaluator excluding any memory that's separately tracked like the BreakingBytesRefBuilder used for string concat.
      Specified by:
      baseRamBytesUsed in interface ExpressionEvaluator

    • close

      public void close()
      Specified by:
      close in interface AutoCloseable
      Specified by:
      close in interface Closeable
      Specified by:
      close in interface org.elasticsearch.core.Releasable

    • toString

      public String toString()
      Returns a string representation of this record class. The representation contains the name of the class, followed by the name and value of each of the record components.
      Specified by:
      toString in class Record
      Returns:
      a string representation of this object

    • hashCode

      public final int hashCode()
      Returns a hash code value for this object. The value is derived from the hash code of each of the record components.
      Specified by:
      hashCode in class Record
      Returns:
      a hash code value for this object

    • equals

      public final boolean equals(Object o)
      Indicates whether some other object is "equal to" this one. The objects are equal if the other object is of the same class and if all the record components are equal. All components in this record class are compared with '=='.
      Specified by:
      equals in class Record
      Parameters:
      o - the object with which to compare
      Returns:
      true if this object is the same as the o argument; false otherwise.

    • channel

      public int channel()
      Returns the value of the channel record component.
      Returns:
      the value of the channel record component