io.parsingdata.metal.expression.value.reference

Class Count

java.lang.Object

io.parsingdata.metal.expression.value.reference.Count

All Implemented Interfaces:

ValueExpression

public class Count
extends Object
implements ValueExpression

A ValueExpression that represents the amount of OptionalValues returned by evaluating its operand.

Field Summary

Fields

Modifier and Type	Field and Description
ValueExpression	operand

Constructor Summary

Constructors

Constructor and Description
Count(ValueExpression operand)

Method Summary

Modifier and Type	Method and Description
ImmutableList<OptionalValue>	eval(Environment environment, Encoding encoding)
String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

operand

public final ValueExpression operand

Constructor Detail

Count

public Count(ValueExpression operand)

Method Detail

eval

public ImmutableList<OptionalValue> eval(Environment environment,
                                         Encoding encoding)

Specified by:

eval in interface ValueExpression

toString

public String toString()

Overrides:

toString in class Object