org.jpox.store.rdbms.mapping
Class AbstractLargeBinaryRDBMSMapping

java.lang.Object
  extended byorg.jpox.store.rdbms.mapping.RDBMSMapping
      extended byorg.jpox.store.rdbms.mapping.ColumnMapping
          extended byorg.jpox.store.rdbms.mapping.AbstractLargeBinaryRDBMSMapping
All Implemented Interfaces:
DatastoreMapping
Direct Known Subclasses:
BlobRDBMSMapping, LongVarBinaryRDBMSMapping, VarBinaryRDBMSMapping

public abstract class AbstractLargeBinaryRDBMSMapping
extends ColumnMapping

Mapping of a large binary (e.g BLOB, LONGVARBINARY) RDBMS type. A large binary column can be treated in two ways in terms of storage and retrieval.

Version:
$Revision: 1.3 $

Field Summary
 
Fields inherited from class org.jpox.store.rdbms.mapping.ColumnMapping
column
 
Fields inherited from class org.jpox.store.rdbms.mapping.RDBMSMapping
LOCALISER, LOCALISER_STORE, mapping, storeMgr
 
Constructor Summary
  AbstractLargeBinaryRDBMSMapping(JavaTypeMapping mapping, StoreManager storeMgr, DatastoreField field)
          Constructor.
protected AbstractLargeBinaryRDBMSMapping(StoreManager storeMgr, JavaTypeMapping mapping)
          Constructor.
 
Method Summary
 java.lang.Object getObject(java.lang.Object rs, int param)
          Method to retrieve the object from the large binary column.
abstract  TypeInfo getTypeInfo()
          Accessor for the RDBMS BLOB type being represented.
protected  void initialize()
          Initialisation method, initialising the type info.
 void setObject(java.lang.Object ps, int param, java.lang.Object value)
          Method to store a field into a BLOB column.
 
Methods inherited from class org.jpox.store.rdbms.mapping.ColumnMapping
equals, getColumn, getDatastoreField, getInsertionInputParameter, getUpdateInputParameter, hashCode, includeInFetchStatement, initTypeInfo, isNullable
 
Methods inherited from class org.jpox.store.rdbms.mapping.RDBMSMapping
failureMessage, getBoolean, getByte, getChar, getDatabaseAdapter, getDouble, getFloat, getInt, getJavaTypeMapping, getLong, getShort, getString, setBoolean, setByte, setChar, setDouble, setFloat, setInt, setLong, setShort, setString
 
Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

AbstractLargeBinaryRDBMSMapping

protected AbstractLargeBinaryRDBMSMapping(StoreManager storeMgr,
                                          JavaTypeMapping mapping)
Constructor.

Parameters:
storeMgr - Store Manager
mapping - Java type mapping

AbstractLargeBinaryRDBMSMapping

public AbstractLargeBinaryRDBMSMapping(JavaTypeMapping mapping,
                                       StoreManager storeMgr,
                                       DatastoreField field)
Constructor.

Parameters:
mapping - Java type mapping
storeMgr - Store Manager
field - Field to be mapped
Method Detail

initialize

protected void initialize()
Initialisation method, initialising the type info.


getTypeInfo

public abstract TypeInfo getTypeInfo()
Accessor for the RDBMS BLOB type being represented.

Specified by:
getTypeInfo in class ColumnMapping
Returns:
TypeInfo for the BLOB type.

setObject

public void setObject(java.lang.Object ps,
                      int param,
                      java.lang.Object value)
Method to store a field into a BLOB column.

Specified by:
setObject in interface DatastoreMapping
Overrides:
setObject in class RDBMSMapping
Parameters:
ps - The PreparedStatement
param - Parameter position in the statement
value - The value to store

getObject

public java.lang.Object getObject(java.lang.Object rs,
                                  int param)
Method to retrieve the object from the large binary column.

Specified by:
getObject in interface DatastoreMapping
Overrides:
getObject in class RDBMSMapping
Parameters:
rs - The ResultSet
param - The parameter position
Returns:
The object


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