com.icl.saxon.expr

Class BooleanValue

public final class BooleanValue extends Value

A boolean XPath value

Constructor Summary
	BooleanValue(boolean value) Constructor: create a boolean value

Method Summary
boolean	asBoolean() Convert to boolean (null operation)
double	asNumber() Convert to number
String	asString() Convert to string
int	conversionPreference(Class required) Get conversion preference for this value to a Java class.
Object	convertToJava(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

Constructor Detail

BooleanValue

public BooleanValue(boolean value)

Constructor: create a boolean value

Parameters: value the initial value, true or false

Method Detail

asBoolean

public boolean asBoolean()

Convert to boolean (null operation)

Returns: the value

asNumber

public double asNumber()

Convert to number

Returns: 1 for true, 0 for false

asString

public String asString()

Convert to string

Returns: "true" or "false"

conversionPreference

public int conversionPreference(Class required)

Get conversion preference for this value to a Java class. A low result indicates higher preference.

convertToJava

public Object convertToJava(Class target)

Convert to Java object (for passing to external functions)

display

public void display(int level)

Diagnostic print of expression structure

getDataType

public int getDataType()

Determine the data type of the exprssion

Returns: Value.BOOLEAN,