org.apache.druid.math.expr

Class SettableObjectBinding

java.lang.Object

org.apache.druid.math.expr.SettableObjectBinding

All Implemented Interfaces:

Expr.InputBindingInspector, Expr.ObjectBinding

public class SettableObjectBinding
extends Object
implements Expr.ObjectBinding

Simple map backed object binding

Constructor Summary

Constructors

Constructor and Description
SettableObjectBinding()
SettableObjectBinding(int expectedSize)

Method Summary

Modifier and Type	Method and Description
Map<String,Object>	asMap()
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)
SettableObjectBinding	withBinding(String name, Object value)
SettableObjectBinding	withInspector(Expr.InputBindingInspector inspector)

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

Constructor Detail

SettableObjectBinding

public SettableObjectBinding()

SettableObjectBinding

public SettableObjectBinding(int expectedSize)

Method Detail

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

withBinding

public SettableObjectBinding withBinding(String name,
                                         @Nullable
                                         Object value)

withInspector

public SettableObjectBinding withInspector(Expr.InputBindingInspector inspector)

asMap

public Map<String,Object> asMap()