ExprMacroTable.BaseScalarUnivariateMacroFunctionExpr (druid-processing 28.0.1 API)

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 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 Description

BaseScalarUnivariateMacroFunctionExpr(String name, Expr arg)

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	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