Package org.elasticsearch.xpack.esql.expression.promql.function

Class PromqlFunctionRegistry

java.lang.Object

org.elasticsearch.xpack.esql.expression.promql.function.PromqlFunctionRegistry

public class PromqlFunctionRegistry
extends Object

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
protected static interface	PromqlFunctionRegistry.AcrossSeriesBinary<T extends AggregateFunction>
protected static interface	PromqlFunctionRegistry.AcrossSeriesUnary<T extends AggregateFunction>
static final record	PromqlFunctionRegistry.Arity	Represents the parameter count constraints for a PromQL function.
static final record	PromqlFunctionRegistry.FunctionDefinition	Function definition record for registration and metadata.
protected static interface	PromqlFunctionRegistry.OverTimeWithinSeries<T extends TimeSeriesAggregateFunction>
protected static interface	PromqlFunctionRegistry.OverTimeWithinSeriesBinary<T extends TimeSeriesAggregateFunction>
protected static interface	PromqlFunctionRegistry.WithinSeries<T extends TimeSeriesAggregateFunction>
protected static interface	PromqlFunctionRegistry.WithinSeriesWindow<T extends TimeSeriesAggregateFunction>

Field Summary

Fields

Modifier and Type	Field	Description
static final PromqlFunctionRegistry	INSTANCE

Constructor Summary

Constructors

Constructor	Description
PromqlFunctionRegistry()

Method Summary

Modifier and Type	Method	Description
Function	buildEsqlFunction(String name, Source source, List<Expression> params)
Boolean	functionExists(String name)
PromqlFunctionRegistry.FunctionDefinition	functionMetadata(String name)

Methods inherited from class java.lang.Object

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

Field Details

INSTANCE

public static final PromqlFunctionRegistry INSTANCE

Constructor Details

PromqlFunctionRegistry

public PromqlFunctionRegistry()

Method Details

functionExists

public Boolean functionExists(String name)

functionMetadata

public PromqlFunctionRegistry.FunctionDefinition functionMetadata(String name)

buildEsqlFunction

public Function buildEsqlFunction(String name,
 Source source,
 List<Expression> params)