Package org.elasticsearch.xpack.esql.evaluator.command

Class CompoundOutputEvaluator.OutputFieldsCollector

java.lang.Object

org.elasticsearch.xpack.esql.evaluator.command.CompoundOutputEvaluator.OutputFieldsCollector

Direct Known Subclasses:

RegisteredDomainFunctionBridge.RegisteredDomainCollectorImpl, UriPartsFunctionBridge.UriPartsCollectorImpl, UserAgentFunctionBridge.UserAgentCollectorImpl

Enclosing class:

CompoundOutputEvaluator

public abstract static class CompoundOutputEvaluator.OutputFieldsCollector
extends Object

The base class for output fields collectors. Concrete collectors may implement interfaces that correspond to their corresponding evaluating function, in addition to extending this class.

Field Summary

Fields

Modifier and Type	Field	Description
protected final CompoundOutputEvaluator.RowOutput	rowOutput	A Block.Builder holder that is being set before each row evaluation.

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	OutputFieldsCollector(int outputFieldCount)

Method Summary

Modifier and Type	Method	Description
protected abstract void	evaluate(String input)	Subclasses would apply the actual evaluation logic here and fill the target blocks accordingly.
String	toString()

Methods inherited from class java.lang.Object

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

Field Details

rowOutput

protected final CompoundOutputEvaluator.RowOutput rowOutput

A Block.Builder holder that is being set before each row evaluation. In addition, it tracks the status of the output fields for the current row.

Constructor Details

OutputFieldsCollector

protected OutputFieldsCollector(int outputFieldCount)

Method Details

toString

public String toString()

Overrides:

toString in class Object

evaluate

protected abstract void evaluate(String input)

Subclasses would apply the actual evaluation logic here and fill the target blocks accordingly.

Parameters:

input - the input string to evaluate the function on