org.apache.druid.math.expr

Class ExprMacroTable.BaseScalarUnivariateMacroFunctionExpr

java.lang.Object

org.apache.druid.math.expr.ExprMacroTable.BaseScalarUnivariateMacroFunctionExpr

All Implemented Interfaces:

Cacheable, Expr, ExprMacroTable.ExprMacroFunctionExpr

Enclosing class:

ExprMacroTable

public abstract static class ExprMacroTable.BaseScalarUnivariateMacroFunctionExpr
extends Object
implements ExprMacroTable.ExprMacroFunctionExpr

Base class for single argument ExprMacroTable.ExprMacro function Expr

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.druid.math.expr.Expr

Expr.BindingAnalysis, Expr.InputBindingInspector, Expr.ObjectBinding, Expr.Shuttle, Expr.VectorInputBinding, Expr.VectorInputBindingInspector

Field Summary

Fields

Modifier and Type	Field and Description
protected Expr	arg
protected String	name

Fields inherited from interface org.apache.druid.math.expr.Expr

ARG_JOINER, NULL_LITERAL

Constructor Summary

Constructors

Constructor and Description
BaseScalarUnivariateMacroFunctionExpr(String name, Expr arg)

Method Summary

Modifier and Type	Method and Description
Expr.BindingAnalysis	analyzeInputs() Examine the usage of IdentifierExpr children of an Expr, constructing a Expr.BindingAnalysis
boolean	equals(Object o)
List<Expr>	getArgs()
int	hashCode()
String	stringify() Convert the Expr back into parseable string that when parsed with Parser.parse(String, ExprMacroTable) will produce an equivalent Expr.
String	toString()

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

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

asVectorProcessor, canVectorize, decorateCacheKeyBuilder, eval, getBindingIfIdentifier, getCacheKey, getIdentifierExprIfIdentifierExpr, getIdentifierIfIdentifier, getLiteralValue, getOutputType, isIdentifier, isLiteral, isNullLiteral, visit

Field Detail

name

protected final String name

arg

protected final Expr arg

Constructor Detail

BaseScalarUnivariateMacroFunctionExpr

public BaseScalarUnivariateMacroFunctionExpr(String name,
                                             Expr arg)

Method Detail

getArgs

public List<Expr> getArgs()

Specified by:

getArgs in interface ExprMacroTable.ExprMacroFunctionExpr

analyzeInputs

public Expr.BindingAnalysis analyzeInputs()

Description copied from interface: Expr

Examine the usage of IdentifierExpr children of an Expr, constructing a Expr.BindingAnalysis

Specified by:

analyzeInputs in interface Expr

stringify

public String stringify()

Description copied from interface: Expr

Convert the Expr back into parseable string that when parsed with Parser.parse(String, ExprMacroTable) will produce an equivalent Expr.

Specified by:

stringify in interface Expr

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

toString

public String toString()

Overrides:

toString in class Object