AbstractFunction (Exasol SQL Statement Builder 4.5.3 API)

java.lang.Object
- com.exasol.sql.expression.function.AbstractFunction

All Implemented Interfaces:

Function, ValueExpression

Direct Known Subclasses:

AnalyticFunction, CastExasolFunction, ExasolFunction, ExasolUdf
```
public abstract class AbstractFunction
extends Object
implements Function
```
This is a base class for functions.

Field Summary

Fields
Modifier and Type Field Description

protected String functionName
Name of the function

protected List<ValueExpression> parameters
Function parameters

Constructor Summary

Constructors
Modifier	Constructor	Description
`protected`	`AbstractFunction(String functionName, List<ValueExpression> parameters)`	Create a new instance using `AbstractFunction`.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`accept(ValueExpressionVisitor visitor)`	Accept a visitor
`String`	`getFunctionName()`	Get a function's name.
`List<ValueExpression>`	`getParameters()`	Get the value expressions (parameters of the function)

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface com.exasol.sql.expression.function.Function
accept, hasParenthesis

- Field Detail
  - functionName
```
protected String functionName
```
    Name of the function
  - parameters
```
protected List<ValueExpression> parameters
```
    Function parameters
- Constructor Detail
  - AbstractFunction
```
protected AbstractFunction(String functionName,
                           List<ValueExpression> parameters)
```
    Create a new instance using AbstractFunction.
    
    Parameters:
    
    functionName - name of a function
    
    parameters - zero or more value expressions
- Method Detail
  - getFunctionName
```
public String getFunctionName()
```
    Description copied from interface: Function
    
    Get a function's name.
    
    Specified by:
    
    getFunctionName in interface Function
    
    Returns:
    
    function's name
  - getParameters
```
public List<ValueExpression> getParameters()
```
    Get the value expressions (parameters of the function)
    
    Returns:
    
    list of value expressions
  - accept
```
public final void accept(ValueExpressionVisitor visitor)
```
    Description copied from interface: ValueExpression
    
    Accept a visitor
    
    Specified by:
    
    accept in interface ValueExpression
    
    Parameters:
    
    visitor - visitor to accept