com.latencybusters.lbm.sdm
Class LBMSDMFieldDouble

java.lang.Object
  com.latencybusters.lbm.sdm.LBMSDM
      com.latencybusters.lbm.sdm.LBMSDMField
          com.latencybusters.lbm.sdm.LBMSDMFieldDouble

All Implemented Interfaces:

java.lang.Cloneable

Direct Known Subclasses:

LBMSDMArrayDouble

public class LBMSDMFieldDouble
extends LBMSDMField

Implements an SDM Field of type Double

Field Summary

protected double

internalValue The internal data storage for this field

Fields inherited from class com.latencybusters.lbm.sdm.LBMSDMField

elements, MAX_FIELD_NAME_LENGTH, name, type, TYPE_ARRAY_BLOB, TYPE_ARRAY_BOOLEAN, TYPE_ARRAY_DECIMAL, TYPE_ARRAY_DOUBLE, TYPE_ARRAY_FLOAT, TYPE_ARRAY_INT16, TYPE_ARRAY_INT32, TYPE_ARRAY_INT64, TYPE_ARRAY_INT8, TYPE_ARRAY_MESSAGE, TYPE_ARRAY_STRING, TYPE_ARRAY_TIMESTAMP, TYPE_ARRAY_UINT16, TYPE_ARRAY_UINT32, TYPE_ARRAY_UINT64, TYPE_ARRAY_UINT8, TYPE_ARRAY_UNICODE, TYPE_BLOB, TYPE_BOOLEAN, TYPE_DECIMAL, TYPE_DOUBLE, TYPE_FLOAT, TYPE_INT16, TYPE_INT32, TYPE_INT64, TYPE_INT8, TYPE_INVALID, TYPE_MESSAGE, TYPE_STRING, TYPE_TIMESTAMP, TYPE_UINT16, TYPE_UINT32, TYPE_UINT64, TYPE_UINT8, TYPE_UNICODE

Fields inherited from class com.latencybusters.lbm.sdm.LBMSDM

DEBUG_BASIC, debug_level, DEBUG_VERBOSE_PARSING

Constructor Summary

protected	LBMSDMFieldDouble(short type, java.lang.String name) Constructor for array subclasses
	LBMSDMFieldDouble(java.lang.String name) Constructor for an unset double field.
	LBMSDMFieldDouble(java.lang.String name, double v) Constructor for a double field with a known decimal

Method Summary

static int	fixed_size() Get the length of formatted field (static field)
int	format(byte[] buf, int offset) Format the double in to a byte buffer
protected int	format(byte[] buf, int offset, double v) Format a double in to a byte buffer
int	get_base_len() Get the length of formatted field This is used by the respective array class
int	get_len() Get the length of formatted field
double	get() Get the double field
int	parse(byte[] buf, int offset) Parse a byte buffer and store the value
void	set(double v) Set the double value.
java.lang.String	toDbgString() Get a string useful for debugging
java.lang.String	toString() Get the string form of the boolean

Methods inherited from class com.latencybusters.lbm.sdm.LBMSDMField

add_element, append, clone, format_name, format_type, get_name, getType, getType, getTypeString, internalString, isNull, length, name_len, remove, sameBaseType, sameType, set_name, set, setNull, type_len

Methods inherited from class com.latencybusters.lbm.sdm.LBMSDM

log, set_debug_level

Methods inherited from class java.lang.Object

equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

internalValue

protected double internalValue

The internal data storage for this field

Constructor Detail

LBMSDMFieldDouble

public LBMSDMFieldDouble(java.lang.String name)

Constructor for an unset double field.

Parameters:

name - The field name

LBMSDMFieldDouble

public LBMSDMFieldDouble(java.lang.String name,
                         double v)
                  throws LBMSDMException

Constructor for a double field with a known decimal

Parameters:

name - The field name

v - The double to be used as the field value

Throws:

LBMSDMException

LBMSDMFieldDouble

protected LBMSDMFieldDouble(short type,
                            java.lang.String name)

Constructor for array subclasses

Parameters:

type - The field type to be created

name - The name of the field to be created

Method Detail

get

public double get()

Get the double field

Returns:

the double value

fixed_size

public static int fixed_size()

Get the length of formatted field (static field)

Returns:

The number of bytes a formatted double will use

get_len

public int get_len()

Get the length of formatted field

Overrides:

get_len in class LBMSDMField

Returns:

The number of bytes a formatted double will use

get_base_len

public final int get_base_len()

Get the length of formatted field This is used by the respective array class

Returns:

The number of bytes a formatted double will use

set

public void set(double v)
         throws LBMSDMUnsignedException

Set the double value.

Parameters:

v - The double to be set

Throws:

LBMSDMUnsignedException

toDbgString

public java.lang.String toDbgString()

Get a string useful for debugging

Overrides:

toDbgString in class LBMSDMField

Returns:

A string representation of this object

format

protected int format(byte[] buf,
                     int offset,
                     double v)
              throws LBMSDMException

Format a double in to a byte buffer

Parameters:

buf - The byte buffer to have the double formatted in

offset - The offset to begin formatting in the buffer

v - The double to be formatted

Returns:

The updated offset after formatting (points to an unused offset)

Throws:

LBMSDMException

format

public int format(byte[] buf,
                  int offset)
           throws LBMSDMException

Format the double in to a byte buffer

Overrides:

format in class LBMSDMField

Parameters:

buf - The byte buffer to have the double formatted in

offset - The offset to begin formatting in the buffer

Returns:

The updated offset after formatting (points to an unused offset)

Throws:

LBMSDMException - when an unexpected error occurs within LBMSDM

toString

public java.lang.String toString()

Get the string form of the boolean

Overrides:

toString in class java.lang.Object

Returns:

A String in the form of the boolean

parse

public int parse(byte[] buf,
                 int offset)
          throws LBMSDMException

Parse a byte buffer and store the value

Overrides:

parse in class LBMSDMField

Parameters:

buf - The byte buffer to be parsed for the boolean

offset - The offset to begin parsing the buffer

Returns:

The next offset to be parsed

Throws:

LBMSDMException - parse() should be overridden