Package org.apache.gravitino.dto.rel.expressions

Class FuncExpressionDTO

java.lang.Object

org.apache.gravitino.dto.rel.expressions.FuncExpressionDTO

All Implemented Interfaces:

FunctionArg, Expression, FunctionExpression

public class FuncExpressionDTO
extends Object
implements FunctionExpression, FunctionArg

Data transfer object representing a function expression.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	FuncExpressionDTO.Builder	Builder for FuncExpressionDTO.

Nested classes/interfaces inherited from interface org.apache.gravitino.dto.rel.expressions.FunctionArg

FunctionArg.ArgType

Nested classes/interfaces inherited from interface org.apache.gravitino.rel.expressions.FunctionExpression

FunctionExpression.FuncExpressionImpl

Field Summary

Fields inherited from interface org.apache.gravitino.rel.expressions.Expression

EMPTY_EXPRESSION, EMPTY_NAMED_REFERENCE

Fields inherited from interface org.apache.gravitino.dto.rel.expressions.FunctionArg

EMPTY_ARGS

Method Summary

Modifier and Type	Method	Description
FunctionArg[]	args()
FunctionArg.ArgType	argType()	Arguments type of the function.
Expression[]	arguments()
static FuncExpressionDTO.Builder	builder()
String	functionName()
String	toString()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface org.apache.gravitino.rel.expressions.Expression

references

Methods inherited from interface org.apache.gravitino.dto.rel.expressions.FunctionArg

validate

Methods inherited from interface org.apache.gravitino.rel.expressions.FunctionExpression

children

Method Details

args

public FunctionArg[] args()

Returns:

The function arguments.

functionName

public String functionName()

Specified by:

functionName in interface FunctionExpression

Returns:

The function name.

arguments

public Expression[] arguments()

Specified by:

arguments in interface FunctionExpression

Returns:

The function arguments.

argType

public FunctionArg.ArgType argType()

Description copied from interface: FunctionArg

Arguments type of the function.

Specified by:

argType in interface FunctionArg

Returns:

The type of the function argument.

toString

public String toString()

Overrides:

toString in class Object

Returns:

The string representation of the function expression.

builder

public static FuncExpressionDTO.Builder builder()

Returns:

the builder for creating a new instance of FuncExpressionDTO.