com.codestreet.messageforge
Class RFldF64

java.lang.Object
  com.codestreet.messageforge.RFld
      com.codestreet.messageforge.RFldNumeric
          com.codestreet.messageforge.RFldF64

All Implemented Interfaces:

RFldInterface, java.io.Serializable

public class RFldF64

extends RFldNumeric

Class to represent a double field.

Author:

Jawaid Hakim.

See Also:

Serialized Form

Field Summary

protected java.lang.Double	dataObj_ Data.
protected static java.lang.String	XML_TAG XML tag for this element type.

Fields inherited from class com.codestreet.messageforge.RFld

desc_, fieldId_, locked_, name_, optional_, propertyName_, tags_, transient_, valSet_

Constructor Summary

RFldF64()
Default constructor.

RFldF64(java.lang.String name, int fieldId)
Constructor.

RFldF64(java.lang.String name, int fieldId, java.lang.String desc)
Constructor.

Method Summary

boolean	equals(java.lang.Object anObject) Check if another field is equal to this field.
java.lang.String	getTag() Get the XML tag for this field type.
RFldType	getType() Get field type.
double	getValue() Get data.
java.util.Hashtable	getValueAsHashtable() Get the field value as a java.util.Hashtable.
java.lang.Object	getValueAsObject() Get the field value as an object.
java.lang.String	getValueAsString() Get the field value as a string.
int	hashCode() Returns the hash code value for the field.
void	reset() Reset the field value.
RFld	set(double newData) Set data.
RFld	set(java.lang.Double newData) Set data.
RFld	set(org.jdom.Element elem) Set the field value from a JDOM element.
RFld	set(java.lang.Object newData) Set data.
static void	setTag(java.lang.String tag) Set the XML tag for this field type.
void	validate() Validate against constraints.
void	validate(RFld fld, double newData) Check if a new value will satifsy constraints.

Methods inherited from class com.codestreet.messageforge.RFldNumeric

addConstraint, validType

Methods inherited from class com.codestreet.messageforge.RFld

addConstraint, buildMinMaxConstraintKey, getConstraint, getConstraintCount, getDesc, getId, getName, getOptional, getPropertyName, getTags, getTransient, isConstrained, isLocked, isProperty, isValSet, marshal, marshal, setId, setLocked, setName, setOptional, setPropertyName, setTags, setTransient, setXmlAttrNames, setXmlTags

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, toString, wait, wait, wait

Field Detail

XML_TAG

protected static transient java.lang.String XML_TAG

XML tag for this element type.

dataObj_

protected java.lang.Double dataObj_

Data.

Constructor Detail

RFldF64

public RFldF64()

Default constructor.

RFldF64

public RFldF64(java.lang.String name,
               int fieldId)

Constructor.

Parameters:

name - Field name.

fieldId - Field id. Field ids must be either 0 to indicate that there is no id on the field, or greater. In addition, field ids must be unique within a messages - no two fields are allowed to have the same field id.

RFldF64

public RFldF64(java.lang.String name,
               int fieldId,
               java.lang.String desc)

Constructor.

Parameters:

name - Field name.

fieldId - Field id. Field ids must be either 0 to indicate that there is no id on the field, or greater. In addition, field ids must be unique within a messages - no two fields are allowed to have the same field id.

desc - Field description.

Method Detail

getType

public final RFldType getType()

Get field type.

Specified by:

getType in interface RFldInterface

Specified by:

getType in class RFld

Returns:

Field type F64.

See Also:

RFldType

equals

public final boolean equals(java.lang.Object anObject)

Check if another field is equal to this field. Equality is defined as the fields having the same value.

Specified by:

equals in class RFld

Parameters:

anObject - Another field.

Returns:

true if another field is equal to this field. Otherwise, returns false.

hashCode

public final int hashCode()

Returns the hash code value for the field.

Specified by:

hashCode in class RFld

Returns:

A hash code value for the field, uses the java.lang.Double doubleToLongBits(double) method to help compute the value.

reset

public final void reset()
                 throws FieldValidationException

Reset the field value.

Specified by:

reset in class RFld

Throws:

FieldValidationException

See Also:

RFld.isValSet()

set

public final RFld set(java.lang.Object newData)
               throws FieldValidationException

Set data.

Specified by:

set in interface RFldInterface

Specified by:

set in class RFld

Parameters:

newData - New data.

Returns:

Reference to self so method chaining can be used.

Throws:

FieldValidationException

set

public final RFld set(double newData)
               throws FieldValidationException

Set data.

Parameters:

newData - New data.

Throws:

FieldValidationException

set

public final RFld set(org.jdom.Element elem)
               throws FieldValidationException

Set the field value from a JDOM element.

Specified by:

set in interface RFldInterface

Specified by:

set in class RFld

Parameters:

elem - Field value as a JDOM element.

Returns:

Reference to self so method chaining can be used.

Throws:

FieldValidationException

set

public final RFld set(java.lang.Double newData)
               throws FieldValidationException

Set data.

Parameters:

newData - New data.

Throws:

java.lang.NullPointerException - if the new data is null.

FieldValidationException

validate

public final void validate()
                    throws FieldValidationException

Validate against constraints. A field is valid if either it's value is set and satisfies all constraints, or the the field is optional.

Specified by:

validate in class RFld

Throws:

FieldValidationException

validate

public final void validate(RFld fld,
                           double newData)
                    throws FieldValidationException

Check if a new value will satifsy constraints.

Parameters:

fld - Field.

newData - New value.

Throws:

FieldValidationException

getValue

public final double getValue()

Get data.

Returns:

data Data.

Throws:

java.lang.NullPointerException - if the field value has not been set.

getValueAsObject

public final java.lang.Object getValueAsObject()

Get the field value as an object.

Returns:

Field value as an object. Returns null if the field value is not set.

getValueAsString

public final java.lang.String getValueAsString()

Get the field value as a string.

Specified by:

getValueAsString in class RFld

Returns:

Field value as a string. Returns 0.0 if the field value is not set.

Throws:

java.lang.NullPointerException - if the field value has not been set.

getValueAsHashtable

public final java.util.Hashtable getValueAsHashtable()
                                              throws FieldValidationException

Get the field value as a java.util.Hashtable. Not supported - throws an exception.

Returns:

Field value as java.util.Hashtable. Returns null if the field value is not set.

Throws:

FieldValidationException

getTag

public final java.lang.String getTag()

Get the XML tag for this field type.

Specified by:

getTag in class RFld

Returns:

XML tag for this field type.

setTag

public static void setTag(java.lang.String tag)

Set the XML tag for this field type.

Parameters:

tag - New XML tag for this field type.