org.n52.svalbard.odata.expr

Class ValueExpr

java.lang.Object

org.n52.svalbard.odata.expr.ValueExpr

All Implemented Interfaces:

Expr

public final class ValueExpr
extends Object
implements Expr

Expression representing a value.

Constructor Summary

Constructors

Constructor and Description
ValueExpr(String value) Creates a new ValueExpr.

Method Summary

Modifier and Type	Method and Description
<T,X extends Throwable> T	accept(ExprVisitor<T,X> visitor) Accepts visitor for this expression.
Optional<ValueExpr>	asValue() Get this expression as a value expression
String	getValue() Gets the value.
boolean	isValue() Check if this expression is a value expression.
String	toString()

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.n52.svalbard.odata.expr.Expr

asBinary, asBoolean, asBooleanBinary, asBooleanUnary, asComparison, asMember, asMethodCall, asUnary, isBinary, isBoolean, isBooleanBinary, isBooleanUnary, isComparison, isMember, isMethodCall, isUnary

Constructor Detail

ValueExpr

public ValueExpr(String value)

Creates a new ValueExpr.

Parameters:

value - the value

Method Detail

getValue

public String getValue()

Gets the value.

Returns:

the value

isValue

public boolean isValue()

Description copied from interface: Expr

Check if this expression is a value expression.

Specified by:

isValue in interface Expr

Returns:

if it is a value

asValue

public Optional<ValueExpr> asValue()

Description copied from interface: Expr

Get this expression as a value expression

Specified by:

asValue in interface Expr

Returns:

the expression or Optional.empty() if the type does not match

toString

public String toString()

Overrides:

toString in class Object

accept

public <T,X extends Throwable> T accept(ExprVisitor<T,X> visitor)
                                 throws X extends Throwable

Description copied from interface: Expr

Accepts visitor for this expression.

Specified by:

accept in interface Expr

Type Parameters:

T - the visitor's return type

X - the exception type the visitor may throw

Parameters:

visitor - the visitor

Returns:

the result of the visit

Throws:

X - if the visitor fails to visit this expression

X extends Throwable