io.burt.jmespath.function

Class FunctionArgument<T>

java.lang.Object

io.burt.jmespath.function.FunctionArgument<T>

public abstract class FunctionArgument<T>
extends Object

In JMESPath most functions take regular values as arguments, but some are higher order functions and take expressions. This class exists so that argument lists can have a single type, while still contain a mix of values and expressions.

Method Summary

Modifier and Type	Method and Description
Expression<T>	expression() Returns the expression contained in this argument, or null if this argument is not an expression argument.
boolean	isExpression() Returns true when this argument contains an expression
boolean	isValue() Returns true when this argument contains a value
static <U> FunctionArgument<U>	of(Expression<U> expression) Creates a new function argument that contains an expression.
static <U> FunctionArgument<U>	of(U value) Creates a new function argument that contains a value.
T	value() Returns the value contained in this argument, or null if this argument is not a value argument.

Methods inherited from class java.lang.Object

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

Method Detail

of

public static <U> FunctionArgument<U> of(U value)

Creates a new function argument that contains a value.

of

public static <U> FunctionArgument<U> of(Expression<U> expression)

Creates a new function argument that contains an expression.

expression

public Expression<T> expression()

Returns the expression contained in this argument, or null if this argument is not an expression argument.

value

public T value()

Returns the value contained in this argument, or null if this argument is not a value argument.

isExpression

public boolean isExpression()

Returns true when this argument contains an expression

isValue

public boolean isValue()

Returns true when this argument contains a value