org.openbandy.io.db
Class DatabaseValueContainer

java.lang.Object
  org.openbandy.io.ValueContainer
      org.openbandy.io.storage.StorageValueContainer
          org.openbandy.io.db.DatabaseValueContainer

public class DatabaseValueContainer
extends StorageValueContainer

ValueContainer compliant representation of object data in order to be stored to and loaded from database. Every object has its own entry in tables along with a constraint indicating whether we need to update or replace data. The TableEntry in tables then contains a hash table representing every attribute of the object.

(c) Copyright Philipp Bolliger 2007, ALL RIGHTS RESERVED.

Version:

1.0

Author:

Philipp Bolliger (philipp@bolliger.name)

Field Summary

Fields inherited from class org.openbandy.io.storage.StorageValueContainer

objectEntry

Fields inherited from class org.openbandy.io.ValueContainer

FALSE, TRUE

Constructor Summary

DatabaseValueContainer(ObjectEntry tableEntry)

DatabaseValueContainer(java.sql.ResultSet resultSet)

Method Summary

void	addTimestamp(java.lang.String name, long value)
byte	getByte(java.lang.String name)
double	getDouble(java.lang.String name)
float	getFloat(java.lang.String name)
int	getInt(java.lang.String name)
long	getLong(java.lang.String name)
short	getShort(java.lang.String name)
java.lang.String	getString(java.lang.String name)
long	getTimestamp(java.lang.String name)

Methods inherited from class org.openbandy.io.storage.StorageValueContainer

addBoolean, addString, getBoolean, getIdForObject, setObjectIdString

Methods inherited from class org.openbandy.io.ValueContainer

addByte, addChar, addDouble, addFloat, addInt, addLong, addShort, getChar

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

DatabaseValueContainer

public DatabaseValueContainer(ObjectEntry tableEntry)

DatabaseValueContainer

public DatabaseValueContainer(java.sql.ResultSet resultSet)

Method Detail

addTimestamp

public void addTimestamp(java.lang.String name,
                         long value)

Overrides:

addTimestamp in class ValueContainer

Parameters:

name - - the name of the attribute

value - - the value of the timestamp defined as milliseconds since midnight, January 1, 1970 UTC

getString

public java.lang.String getString(java.lang.String name)

Specified by:

getString in class ValueContainer

Parameters:

name - - the name of the attribute

Returns:

Returns the corresponding String value if available, null else

getByte

public byte getByte(java.lang.String name)

Overrides:

getByte in class ValueContainer

Parameters:

name - - the name of the attribute

Returns:

Returns the corresponding byte value if available, 0 else

getShort

public short getShort(java.lang.String name)

Overrides:

getShort in class ValueContainer

Parameters:

name - - the name of the attribute

Returns:

Returns the corresponding short value if available, 0 else

getInt

public int getInt(java.lang.String name)

Overrides:

getInt in class ValueContainer

Parameters:

name - - the name of the attribute

Returns:

Returns the corresponding int value if available, 0 else

getLong

public long getLong(java.lang.String name)

Overrides:

getLong in class ValueContainer

Parameters:

name - - the name of the attribute

Returns:

Returns the corresponding long value if available, 0L else

getFloat

public float getFloat(java.lang.String name)

Overrides:

getFloat in class ValueContainer

Parameters:

name - - the name of the attribute

Returns:

Returns the corresponding float value if available, 0.0f else

getDouble

public double getDouble(java.lang.String name)

Overrides:

getDouble in class ValueContainer

Parameters:

name - - the name of the attribute

Returns:

Returns the corresponding double value if available, 0.0d else

getTimestamp

public long getTimestamp(java.lang.String name)

Overrides:

getTimestamp in class ValueContainer

Parameters:

name - - the name of the attribute

Returns:

Returns the timestamp value defined as milliseconds since midnight, January 1, 1970 UTC if available, 0.0 else