jess
Class LongValue

java.lang.Object
  jess.Value
      jess.LongValue

All Implemented Interfaces:

java.io.Serializable

public class LongValue

extends Value

implements java.io.Serializable

A class to represent a Java long.

(C) 1998 E.J. Friedman-Hill and the Sandia Corporation

Author:

Ernest J. Friedman-Hill

See Also:

Serialized Form

Constructor Summary

LongValue(long l)
Create a LongValue

Method Summary

boolean	equals(Value v) Compare this value to another value.
int	intValue(Context c) Returns the contents of this value, as an int
long	longValue(Context c) Returns the contents of this value, as a long
double	numericValue(Context c) Returns the contents of this value, as a number
java.lang.String	stringValue(Context c) Returns the contents of this value, as a String
java.lang.String	toString() Pretty-print this value, without adding parens to any lists

Methods inherited from class jess.Value

atomValue, equals, equalsStar, externalAddressValue, factValue, floatValue, funcallValue, hashCode, listValue, resolveValue, toStringWithParens, type, variableValue

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

LongValue

public LongValue(long l)
          throws JessException

Create a LongValue

Parameters:

l - The long value

Throws:

JessException - If the type is invalid

Method Detail

longValue

public final long longValue(Context c)
                     throws JessException

Description copied from class: Value

Returns the contents of this value, as a long

Overrides:

longValue in class Value

Returns:

The number as a long

Throws:

JessException - If this value does not contain any kind of number

numericValue

public final double numericValue(Context c)
                          throws JessException

Description copied from class: Value

Returns the contents of this value, as a number

Overrides:

numericValue in class Value

Returns:

The number as a double

Throws:

JessException - If this value does not contain any kind of number

intValue

public final int intValue(Context c)
                   throws JessException

Description copied from class: Value

Returns the contents of this value, as an int

Overrides:

intValue in class Value

Returns:

The number as an int

Throws:

JessException - If this value does not contain any kind of number

stringValue

public final java.lang.String stringValue(Context c)
                                   throws JessException

Description copied from class: Value

Returns the contents of this value, as a String

Overrides:

stringValue in class Value

Returns:

The string

Throws:

JessException - If this value does not contain any kind of String

toString

public final java.lang.String toString()

Description copied from class: Value

Pretty-print this value, without adding parens to any lists

Overrides:

toString in class Value

Returns:

The formatted string

equals

public final boolean equals(Value v)

Description copied from class: Value

Compare this value to another value. Believe it or not, using this separate overloaded routine has a measurable impact on performance - since so much time is spent comparing Values.

Overrides:

equals in class Value

Parameters:

v - The Value to compare to.

Returns:

True if the Values are equivalent.