org.datanucleus.store.rdbms.mapping
Class CharRDBMSMapping

java.lang.Object
  org.datanucleus.store.mapped.mapping.AbstractDatastoreMapping
      org.datanucleus.store.rdbms.mapping.RDBMSMapping
          org.datanucleus.store.rdbms.mapping.CharRDBMSMapping

All Implemented Interfaces:

org.datanucleus.store.mapped.mapping.DatastoreMapping

Direct Known Subclasses:

DatalinkRDBMSMapping, NCharRDBMSMapping, VarCharRDBMSMapping, XMLTypeRDBMSMapping

public class CharRDBMSMapping
extends RDBMSMapping

Mapping of a CHAR RDBMS type.

Field Summary

Fields inherited from class org.datanucleus.store.rdbms.mapping.RDBMSMapping

column, LOCALISER_RDBMS, storeMgr

Fields inherited from class org.datanucleus.store.mapped.mapping.AbstractDatastoreMapping

LOCALISER, mapping

Constructor Summary

	CharRDBMSMapping(org.datanucleus.store.mapped.mapping.JavaTypeMapping mapping, org.datanucleus.store.mapped.MappedStoreManager storeMgr, org.datanucleus.store.mapped.DatastoreField field) Constructor.
protected	CharRDBMSMapping(org.datanucleus.store.mapped.MappedStoreManager storeMgr, org.datanucleus.store.mapped.mapping.JavaTypeMapping mapping) Constructor.

Method Summary

boolean	getBoolean(Object rs, int param) Method to extract a boolean from the ResultSet at the specified position
char	getChar(Object rs, int param) Method to extract a character from the ResultSet at the specified position
SimpleDateFormat	getJavaUtilDateFormat() Get a Format object to handle java.util.Date.
Object	getObject(Object rs, int param) Method to extract an object from the ResultSet at the specified position
String	getString(Object rs, int param) Method to extract a String from the ResultSet at the specified position
SQLTypeInfo	getTypeInfo() Accessor for the (SQL) type info for this datastore type.
protected void	initialize() Method to initialise the column mapping.
boolean	isStringBased() Accessor for whether the mapping is string-based.
void	setBoolean(Object ps, int param, boolean value) Method to set a boolean at the specified position in the JDBC PreparedStatement.
void	setChar(Object ps, int param, char value) Method to set a character at the specified position in the JDBC PreparedStatement.
void	setObject(Object ps, int param, Object value) Method to set an object at the specified position in the JDBC PreparedStatement.
void	setString(Object ps, int param, String value) Method to set a String at the specified position in the JDBC PreparedStatement.

Methods inherited from class org.datanucleus.store.rdbms.mapping.RDBMSMapping

equals, failureMessage, failureMessage, getDatabaseAdapter, getDatastoreField, getInsertionInputParameter, getUpdateInputParameter, hashCode, includeInFetchStatement, initTypeInfo, insertValuesOnInsert, isNullable

Methods inherited from class org.datanucleus.store.mapped.mapping.AbstractDatastoreMapping

failureMessage, getByte, getDouble, getFloat, getInt, getJavaTypeMapping, getLong, getShort, isBitBased, isBooleanBased, isDecimalBased, isIntegerBased, setByte, setDouble, setFloat, setInt, setLong, setShort

Methods inherited from class java.lang.Object

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

Constructor Detail

CharRDBMSMapping

protected CharRDBMSMapping(org.datanucleus.store.mapped.MappedStoreManager storeMgr,
                           org.datanucleus.store.mapped.mapping.JavaTypeMapping mapping)

Constructor.

Parameters:

storeMgr - Store Manager

mapping - Java type mapping

CharRDBMSMapping

public CharRDBMSMapping(org.datanucleus.store.mapped.mapping.JavaTypeMapping mapping,
                        org.datanucleus.store.mapped.MappedStoreManager storeMgr,
                        org.datanucleus.store.mapped.DatastoreField field)

Constructor.

Parameters:

mapping - Java type mapping

storeMgr - Store Manager

field - Field to be mapped

Method Detail

initialize

protected void initialize()

Method to initialise the column mapping. Provides default length specifications for the CHAR column to fit the data being stored.

isStringBased

public boolean isStringBased()

Accessor for whether the mapping is string-based.

Specified by:

isStringBased in interface org.datanucleus.store.mapped.mapping.DatastoreMapping

Overrides:

isStringBased in class org.datanucleus.store.mapped.mapping.AbstractDatastoreMapping

Returns:

Whether the mapping is string based

getTypeInfo

public SQLTypeInfo getTypeInfo()

Description copied from class: RDBMSMapping

Accessor for the (SQL) type info for this datastore type.

Specified by:

getTypeInfo in class RDBMSMapping

Returns:

The type info

setChar

public void setChar(Object ps,
                    int param,
                    char value)

Method to set a character at the specified position in the JDBC PreparedStatement.

Specified by:

setChar in interface org.datanucleus.store.mapped.mapping.DatastoreMapping

Overrides:

setChar in class org.datanucleus.store.mapped.mapping.AbstractDatastoreMapping

Parameters:

ps - The PreparedStatement

param - Parameter position

value - The value to set

getChar

public char getChar(Object rs,
                    int param)

Method to extract a character from the ResultSet at the specified position

Specified by:

getChar in interface org.datanucleus.store.mapped.mapping.DatastoreMapping

Overrides:

getChar in class org.datanucleus.store.mapped.mapping.AbstractDatastoreMapping

Parameters:

rs - The Result Set

param - The parameter position

Returns:

the character

setString

public void setString(Object ps,
                      int param,
                      String value)

Method to set a String at the specified position in the JDBC PreparedStatement.

Specified by:

setString in interface org.datanucleus.store.mapped.mapping.DatastoreMapping

Overrides:

setString in class org.datanucleus.store.mapped.mapping.AbstractDatastoreMapping

Parameters:

ps - The PreparedStatement

param - Parameter position

value - The value to set

getString

public String getString(Object rs,
                        int param)

Method to extract a String from the ResultSet at the specified position

Specified by:

getString in interface org.datanucleus.store.mapped.mapping.DatastoreMapping

Overrides:

getString in class org.datanucleus.store.mapped.mapping.AbstractDatastoreMapping

Parameters:

rs - The Result Set

param - The parameter position

Returns:

the String

setBoolean

public void setBoolean(Object ps,
                       int param,
                       boolean value)

Method to set a boolean at the specified position in the JDBC PreparedStatement.

Specified by:

setBoolean in interface org.datanucleus.store.mapped.mapping.DatastoreMapping

Overrides:

setBoolean in class org.datanucleus.store.mapped.mapping.AbstractDatastoreMapping

Parameters:

ps - The PreparedStatement

param - Parameter position

value - The value to set

getBoolean

public boolean getBoolean(Object rs,
                          int param)

Method to extract a boolean from the ResultSet at the specified position

Specified by:

getBoolean in interface org.datanucleus.store.mapped.mapping.DatastoreMapping

Overrides:

getBoolean in class org.datanucleus.store.mapped.mapping.AbstractDatastoreMapping

Parameters:

rs - The Result Set

param - The parameter position

Returns:

the boolean

setObject

public void setObject(Object ps,
                      int param,
                      Object value)

Method to set an object at the specified position in the JDBC PreparedStatement.

Specified by:

setObject in interface org.datanucleus.store.mapped.mapping.DatastoreMapping

Overrides:

setObject in class org.datanucleus.store.mapped.mapping.AbstractDatastoreMapping

Parameters:

ps - The PreparedStatement

param - Parameter position

value - The value to set

getObject

public Object getObject(Object rs,
                        int param)

Method to extract an object from the ResultSet at the specified position

Specified by:

getObject in interface org.datanucleus.store.mapped.mapping.DatastoreMapping

Overrides:

getObject in class org.datanucleus.store.mapped.mapping.AbstractDatastoreMapping

Parameters:

rs - The Result Set

param - The parameter position

Returns:

the object

getJavaUtilDateFormat

public SimpleDateFormat getJavaUtilDateFormat()

Get a Format object to handle java.util.Date. If a TimeZone is present, it will be used to format dates to that zone.

Returns:

Date formatter to use