org.datanucleus.store.rdbms.mapping.column

Class DB2DatalinkColumnMapping

java.lang.Object

org.datanucleus.store.rdbms.mapping.column.AbstractColumnMapping

org.datanucleus.store.rdbms.mapping.column.CharColumnMapping

org.datanucleus.store.rdbms.mapping.column.DB2DatalinkColumnMapping

All Implemented Interfaces:

ColumnMapping

public class DB2DatalinkColumnMapping
extends CharColumnMapping

Mapping of a DB2 "Datalink" column.

Field Summary

Fields inherited from class org.datanucleus.store.rdbms.mapping.column.AbstractColumnMapping

column, mapping, storeMgr

Constructor Summary

Constructors

Constructor and Description
DB2DatalinkColumnMapping(JavaTypeMapping mapping, RDBMSStoreManager storeMgr, Column col) Constructor.

Method Summary

Modifier and Type	Method and Description
String	getInsertionInputParameter() Accessor for the string to put in any retrieval datastore statement for this field.
int	getJDBCType() Method to return the java.sql.Types type that this relates to.
String	getUpdateInputParameter() Accessor for the string to put in any update datastore statements for this field.
boolean	includeInFetchStatement() Whether this mapping is included in the fetch statement.
protected void	initialize() Method to initialise the column mapping.

Methods inherited from class org.datanucleus.store.rdbms.mapping.column.CharColumnMapping

getBoolean, getChar, getJavaUtilDateFormat, getObject, getString, isStringBased, setBoolean, setChar, setObject, setString

Methods inherited from class org.datanucleus.store.rdbms.mapping.column.AbstractColumnMapping

equals, failureMessage, failureMessage, failureMessage, getByte, getColumn, getDatastoreAdapter, getDouble, getFloat, getInt, getJavaTypeMapping, getLong, getShort, getTypeInfo, hashCode, initTypeInfo, insertValuesOnInsert, isBitBased, isBooleanBased, isDecimalBased, isIntegerBased, isNullable, setByte, setDouble, setFloat, setInt, setLong, setShort, useDefaultWhenNull

Methods inherited from class java.lang.Object

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

Constructor Detail

DB2DatalinkColumnMapping

public DB2DatalinkColumnMapping(JavaTypeMapping mapping,
                                RDBMSStoreManager storeMgr,
                                Column col)

Constructor.

Parameters:

mapping - Java type mapping

storeMgr - Store Manager

col - Column

Method Detail

initialize

protected void initialize()

Description copied from class: CharColumnMapping

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

Overrides:

initialize in class CharColumnMapping

getJDBCType

public int getJDBCType()

Description copied from class: AbstractColumnMapping

Method to return the java.sql.Types type that this relates to.

Overrides:

getJDBCType in class CharColumnMapping

Returns:

The JDBC "type"

getInsertionInputParameter

public String getInsertionInputParameter()

Description copied from class: AbstractColumnMapping

Accessor for the string to put in any retrieval datastore statement for this field. In RDBMS, this is typically a ? to be used in JDBC statements.

Specified by:

getInsertionInputParameter in interface ColumnMapping

Overrides:

getInsertionInputParameter in class AbstractColumnMapping

Returns:

The input parameter

includeInFetchStatement

public boolean includeInFetchStatement()

Description copied from class: AbstractColumnMapping

Whether this mapping is included in the fetch statement.

Overrides:

includeInFetchStatement in class AbstractColumnMapping

Returns:

Whether to include in fetch statement

getUpdateInputParameter

public String getUpdateInputParameter()

Description copied from class: AbstractColumnMapping

Accessor for the string to put in any update datastore statements for this field. In RDBMS, this is typically a ? to be used in JDBC statements.

Specified by:

getUpdateInputParameter in interface ColumnMapping

Overrides:

getUpdateInputParameter in class AbstractColumnMapping

Returns:

The input parameter.