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java.lang.Object jess.Value jess.FuncallValue
A class to represent a Jess function call stored in a Value. It is 'self-resolving' using Context. Use this subclass of Value when you want to create a Value that represents a function call (for example, when you are creating a jess.Funcall containing nested function calls.)
(C) 2005 Sandia National Laboratories
Funcall
,
Serialized FormConstructor Summary | |
FuncallValue(Funcall f)
|
Method Summary | |
Fact |
factValue(Context c)
Returns the contents of this value, as a fact. |
double |
floatValue(Context c)
Returns the contents of this value, as a double. |
int |
intValue(Context c)
Returns the contents of this value, as an int. |
java.lang.Object |
javaObjectValue(Context c)
Returns the contents of this value, as a Java object. |
ValueVector |
listValue(Context c)
Returns the contents of this value, as a list. |
double |
numericValue(Context c)
Returns the contents of this value, as a number. |
Value |
resolveValue(Context c)
Given an evaluation context, return the "true value" of this Value. |
java.lang.String |
stringValue(Context c)
Returns the contents of this value, as a String. |
java.lang.String |
symbolValue(Context c)
Returns the contents of this value, as a symbol. |
java.lang.String |
variableValue(Context c)
Returns the contents of this value, as a String (a variable name). |
Methods inherited from class jess.Value |
atomValue, equals, equals, equalsStar, externalAddressValue, funcallValue, functionValue, hashCode, isLexeme, isNumeric, longValue, toString, toStringWithParens, type |
Methods inherited from class java.lang.Object |
clone, finalize, getClass, notify, notifyAll, wait, wait, wait |
Constructor Detail |
public FuncallValue(Funcall f) throws JessException
Method Detail |
public Value resolveValue(Context c) throws JessException
Value
resolveValue
in class Value
c
- An execution context. You can pass null if you are sure
that you're not calling this method on a subclass that uses the
argument.
JessException
- if something goes wrong during value resolutionVariable
,
Funcall
public final java.lang.Object javaObjectValue(Context c) throws JessException
Value
javaObjectValue
in class Value
c
- the execution context used to resolve the value
JessException
- if this value does not contain a Java objectpublic final Fact factValue(Context c) throws JessException
Value
factValue
in class Value
c
- the execution context used to resolve the value
JessException
- if this value does not contain a factpublic final ValueVector listValue(Context c) throws JessException
Value
listValue
in class Value
c
- the execution context used to resolve the value
JessException
- if something goes wrong during value resolutionpublic final int intValue(Context c) throws JessException
Value
intValue
in class Value
c
- the execution context used to resolve the value
JessException
- if this value does not contain any kind of numberpublic final double floatValue(Context c) throws JessException
Value
floatValue
in class Value
c
- the execution context used to resolve the value
JessException
- if this value does not contain any kind of number.public final double numericValue(Context c) throws JessException
Value
numericValue
in class Value
c
- the execution context used to resolve the value
JessException
- if this value does not contain any kind of numberpublic final java.lang.String symbolValue(Context c) throws JessException
Value
symbolValue
in class Value
c
- the execution context used to resolve the value
JessException
- if this value does not contain any kind of Stringpublic final java.lang.String variableValue(Context c) throws JessException
Value
variableValue
in class Value
c
- the execution context used to resolve the value
JessException
- if this value does not contain a variable.public final java.lang.String stringValue(Context c) throws JessException
Value
stringValue
in class Value
c
- the execution context used to resolve the value
JessException
- if this value does not contain any kind of String.
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© 2006 Sandia Corporation | |||||||||
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