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java.lang.Objectrailo.runtime.type.Null
public final class Null
Custom Null Type
Method Summary | |
---|---|
Boolean |
castToBoolean(Boolean defaultValue)
cast the castable value to a boolean value |
boolean |
castToBooleanValue()
cast the castable value to a boolean value |
DateTime |
castToDateTime()
cast the castable value to a date time object |
DateTime |
castToDateTime(DateTime defaultValue)
cast the castable value to a date time object |
double |
castToDoubleValue()
cast the castable value to a double value |
double |
castToDoubleValue(double defaultValue)
cast the castable value to a double value |
String |
castToString()
cast the castable value to a string, other than the Method toString, this Method can throw a Exception |
String |
castToString(String defaultValue)
cast the castable value to a string, return the default value, when the method is not castable |
int |
compareTo(boolean b)
|
int |
compareTo(DateTime dt)
|
int |
compareTo(double d)
|
int |
compareTo(String str)
|
static Null |
getInstance()
|
DumpData |
toDumpData(PageContext pageContext,
int maxlevel,
DumpProperties dp)
method to print out information to a object as HTML |
String |
toString()
|
Methods inherited from class java.lang.Object |
---|
equals, getClass, hashCode, notify, notifyAll, wait, wait, wait |
Method Detail |
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public static Null getInstance()
public String castToString() throws ExpressionException
Castable
castToString
in interface Castable
ExpressionException
Castable.castToString()
public String castToString(String defaultValue)
Castable
castToString
in interface Castable
Castable.castToString(java.lang.String)
public boolean castToBooleanValue() throws ExpressionException
Castable
castToBooleanValue
in interface Castable
ExpressionException
Castable.castToBooleanValue()
public Boolean castToBoolean(Boolean defaultValue)
Castable
castToBoolean
in interface Castable
Castable.castToBoolean(java.lang.Boolean)
public double castToDoubleValue() throws ExpressionException
Castable
castToDoubleValue
in interface Castable
ExpressionException
Castable.castToDoubleValue()
public double castToDoubleValue(double defaultValue)
Castable
castToDoubleValue
in interface Castable
Castable.castToDoubleValue(double)
public DateTime castToDateTime() throws ExpressionException
Castable
castToDateTime
in interface Castable
ExpressionException
Castable.castToDateTime()
public DateTime castToDateTime(DateTime defaultValue)
Castable
castToDateTime
in interface Castable
defaultValue
- returned when it is not possible to cast to a dateTime object
Castable.castToDateTime(railo.runtime.type.dt.DateTime)
public DumpData toDumpData(PageContext pageContext, int maxlevel, DumpProperties dp)
Dumpable
toDumpData
in interface Dumpable
railo.runtime.dump.Dumpable#toDumpData(railo.runtime.PageContext, int)
public String toString()
toString
in class Object
Object.toString()
public int compareTo(String str) throws PageException
compareTo
in interface Castable
PageException
public int compareTo(boolean b) throws PageException
compareTo
in interface Castable
PageException
public int compareTo(double d) throws PageException
compareTo
in interface Castable
PageException
public int compareTo(DateTime dt) throws PageException
compareTo
in interface Castable
PageException
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