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java.lang.Object | +--org.apache.xpath.Arg
This class holds an instance of an argument on the stack. The value of the argument can be either an XObject or a String containing an expression.
| Constructor Summary | |
Arg()
Construct a dummy parameter argument, with no QName and no value (either expression string or value XObject). |
|
Arg(QName qname,
java.lang.String expression,
boolean isFromWithParam)
Construct a parameter argument that contains an expression. |
|
Arg(QName qname,
XObject val)
Construct a parameter argument which has an XObject value. |
|
Arg(QName qname,
XObject val,
boolean isFromWithParam)
Construct a parameter argument. |
|
| Method Summary | |
void |
detach()
Have the object release it's resources. |
boolean |
equals(java.lang.Object obj)
Equality function specialized for the variable name. |
java.lang.String |
getExpression()
Get the value expression for this argument. |
QName |
getQName()
Get the qualified name for this argument. |
XObject |
getVal()
Get the value for this argument. |
boolean |
isFromWithParam()
Tell if this variable is a parameter passed with a with-param or as a top-level parameter. |
boolean |
isVisible()
Tell if this variable is currently visible. |
void |
setExpression(java.lang.String expr)
Set the value expression for this argument. |
void |
setIsVisible(boolean b)
Update visibility status of this variable. |
void |
setQName(QName name)
Set the qualified name for this argument. |
void |
setVal(XObject val)
Set the value of this argument. |
| Methods inherited from class java.lang.Object |
getClass,
hashCode,
notify,
notifyAll,
toString,
wait,
wait,
wait |
| Constructor Detail |
public Arg()
public Arg(QName qname,
java.lang.String expression,
boolean isFromWithParam)
qname - Name of the argument, expressed as a QName object.expression - String to be stored as this argument's value expression.isFromWithParam - True if this is a parameter variable.
public Arg(QName qname,
XObject val)
qname - Name of the argument, expressed as a QName object.val - Value of the argument, expressed as an XObject
public Arg(QName qname,
XObject val,
boolean isFromWithParam)
qname - Name of the argument, expressed as a QName object.val - Value of the argument, expressed as an XObjectisFromWithParam - True if this is a parameter variable.| Method Detail |
public final QName getQName()
public final void setQName(QName name)
name - QName object representing the new Qualified Name.public final XObject getVal()
setVal(XObject)public final void setVal(XObject val)
val - an XObject representing the arguments's value.getVal()public void detach()
public java.lang.String getExpression()
setExpression(java.lang.String)public void setExpression(java.lang.String expr)
expr - String containing the expression to be stored as this
argument's value.getExpression()public boolean isFromWithParam()
public boolean isVisible()
public void setIsVisible(boolean b)
public boolean equals(java.lang.Object obj)
obj - the reference object with which to compare.true if this object is the same as the obj
argument; false otherwise.
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