Package org.apache.druid.math.expr

Class ApplyFunction.SettableLambdaBinding

java.lang.Object

org.apache.druid.math.expr.ApplyFunction.SettableLambdaBinding

All Implemented Interfaces:

Expr.InputBindingInspector, Expr.ObjectBinding

Enclosing interface:

ApplyFunction

public static class ApplyFunction.SettableLambdaBinding
extends Object
implements Expr.ObjectBinding

Simple, mutable, Expr.ObjectBinding for a LambdaExpr which provides a Map for storing arbitrary values to use as values for IdentifierExpr in the body of the lambda that are arguments to the lambda

Method Summary

Modifier and Type	Method	Description
Object	get(String name)	Get value binding for string identifier of IdentifierExpr
ExpressionType	getType(String name)	Get the ExpressionType from the backing store for a given identifier (this is likely a column, but could be other things depending on the backing adapter)

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.druid.math.expr.Expr.InputBindingInspector

areNumeric, areNumeric, areSameTypes, areSameTypes, areScalar, areScalar, canVectorize, canVectorize

Method Details

get

@Nullable
public Object get(String name)

Description copied from interface: Expr.ObjectBinding

Get value binding for string identifier of IdentifierExpr

Specified by:

get in interface Expr.ObjectBinding

getType

@Nullable
public ExpressionType getType(String name)

Description copied from interface: Expr.InputBindingInspector

Get the ExpressionType from the backing store for a given identifier (this is likely a column, but could be other things depending on the backing adapter)

Specified by:

getType in interface Expr.InputBindingInspector