com.exasol.sql.expression.function

Class AbstractFunction

java.lang.Object

com.exasol.util.AbstractTreeNode

com.exasol.sql.expression.function.AbstractFunction

All Implemented Interfaces:

Function, ValueExpression, TreeNode

Direct Known Subclasses:

ExasolFunction, ExasolUdf

public abstract class AbstractFunction
extends AbstractTreeNode
implements Function

This is a base class for functions.

Field Summary

Fields

Modifier and Type	Field and Description
protected String	functionName
protected List<ValueExpression>	valueExpressions

Constructor Summary

Constructors

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

Method Summary

Modifier and Type	Method and Description
String	getFunctionName() Get a function's name.

Methods inherited from class com.exasol.util.AbstractTreeNode

addChild, getChild, getChildren, getParent, getRoot, isChild, isFirstSibling, isRoot, isSibling, setParent

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

hasParenthesis

Methods inherited from interface com.exasol.sql.expression.ValueExpression

accept

Methods inherited from interface com.exasol.util.TreeNode

addChild, getChild, getChildren, getParent, getRoot, isChild, isFirstSibling, isRoot, isSibling, setParent

Field Detail

functionName

protected String functionName

valueExpressions

protected List<ValueExpression> valueExpressions

Constructor Detail

AbstractFunction

protected AbstractFunction(String functionName,
                           List<ValueExpression> valueExpressions)

Create a new instance using AbstractFunction.

Parameters:

functionName - name of a function

valueExpressions - 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