com.triactive.jdo.store.mapping
Class RawOIDMapping

java.lang.Object
  com.triactive.jdo.store.mapping.Mapping
      com.triactive.jdo.store.mapping.ColumnMapping
          com.triactive.jdo.store.mapping.OIDMapping
              com.triactive.jdo.store.mapping.RawOIDMapping

public class RawOIDMapping

extends OIDMapping

A column mapping that maps a raw OID object to a single column.

This mapping is rarely used. One place it is used is if an application specifically declares a persistent field to be of type OID.

Author:

Mike Martin

Field Summary

Fields inherited from class com.triactive.jdo.store.mapping.ColumnMapping

col, typeInfo

Fields inherited from class com.triactive.jdo.store.mapping.Mapping

dba, fmd, type

Constructor Summary

RawOIDMapping(DatabaseAdapter dba, java.lang.Class type)
Constructs a new raw OID mapping for a given Java type.

RawOIDMapping(DatabaseAdapter dba, FieldMetaData fmd)
Constructs a new raw OID mapping for a given persistent field.

Method Summary

SqlExpression	newSqlExpression(QueryStatement.QueryColumn qsc) Returns an SQL expression representing a reference to a column in a query statement.
SqlExpression	newSqlLiteral(QueryStatement qs, java.lang.Object value) Returns an SQL expression representing the literal value of a Java object.

Methods inherited from class com.triactive.jdo.store.mapping.OIDMapping

getObject, mapTo, setObject

Methods inherited from class com.triactive.jdo.store.mapping.ColumnMapping

accessAsFieldIn, chooseColumnType, defineConstraints, defineStorage, equals, getBoolean, getByte, getChar, getColumn, getDouble, getFloat, getInt, getLong, getShort, getSqlInsertionValue, getSqlUpdateValue, getString, getTypeInfo, hashCode, setBoolean, setByte, setChar, setDouble, setFloat, setInt, setLong, setShort, setString

Methods inherited from class com.triactive.jdo.store.mapping.Mapping

getDefaultMappingsByType, getFieldMetaData, getType

Methods inherited from class java.lang.Object

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

Constructor Detail

RawOIDMapping

public RawOIDMapping(DatabaseAdapter dba,
                     java.lang.Class type)

Constructs a new raw OID mapping for a given Java type.

Parameters:

dba - the database adapter

type - The Java class that this mapping maps to the database. Must be OID.class or a subclass.

RawOIDMapping

public RawOIDMapping(DatabaseAdapter dba,
                     FieldMetaData fmd)

Constructs a new raw OID mapping for a given persistent field.

Parameters:

dba - the database adapter

fmd - the field metadata for the field that this mapping maps to the database

Method Detail

newSqlLiteral

public SqlExpression newSqlLiteral(QueryStatement qs,
                                   java.lang.Object value)

Description copied from class: Mapping

Returns an SQL expression representing the literal value of a Java object. The object must be of a type used with this mapping.

Specified by:

newSqlLiteral in class Mapping

Parameters:

qs - the surrounding query statement for the expression

value - the literal value

newSqlExpression

public SqlExpression newSqlExpression(QueryStatement.QueryColumn qsc)

Description copied from class: ColumnMapping

Returns an SQL expression representing a reference to a column in a query statement.

Specified by:

newSqlExpression in class ColumnMapping

Parameters:

qsc - the query column reference