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java.lang.Objectcom.icl.saxon.expr.Expression
com.icl.saxon.expr.Value
com.icl.saxon.expr.BooleanValue
A boolean XPath value
| Field Summary |
| Fields inherited from class com.icl.saxon.expr.Value |
ANY, BOOLEAN, NODESET, NUMBER, OBJECT, STRING |
| Fields inherited from class com.icl.saxon.expr.Expression |
staticContext |
| Constructor Summary | |
BooleanValue(boolean value)
Constructor: create a boolean value |
|
| Method Summary | |
boolean |
asBoolean()
Convert to boolean (null operation) |
double |
asNumber()
Convert to number |
java.lang.String |
asString()
Convert to string |
int |
conversionPreference(java.lang.Class required)
Get conversion preference for this value to a Java class. |
java.lang.Object |
convertToJava(java.lang.Class target)
Convert to Java object (for passing to external functions) |
void |
display(int level)
Diagnostic print of expression structure |
int |
getDataType()
Determine the data type of the exprssion |
| Methods inherited from class com.icl.saxon.expr.Value |
compare, equals, evaluate, getDependencies, inverse, notEquals, numericCompare, reduce, simplify, stringToNumber |
| Methods inherited from class com.icl.saxon.expr.Expression |
containsReferences, enumerate, evaluateAsBoolean, evaluateAsNodeSet, evaluateAsNumber, evaluateAsString, getStaticContext, indent, isContextDocumentNodeSet, make, outputStringValue, setStaticContext, usesCurrent |
| Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
| Constructor Detail |
public BooleanValue(boolean value)
value - the initial value, true or false| Method Detail |
public java.lang.String asString()
asString in class Valuepublic double asNumber()
asNumber in class Valuepublic boolean asBoolean()
asBoolean in class Valuepublic int getDataType()
getDataType in class Expressionpublic int conversionPreference(java.lang.Class required)
conversionPreference in class Value
public java.lang.Object convertToJava(java.lang.Class target)
throws XPathException
convertToJava in class Valuetarget - The class required by the external function
XPathExceptionpublic void display(int level)
display in class Expression
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