org.datanucleus.store.rdbms.mapping.java

Class ColorMapping

java.lang.Object

org.datanucleus.store.rdbms.mapping.java.JavaTypeMapping

org.datanucleus.store.rdbms.mapping.java.SingleFieldMultiMapping

org.datanucleus.store.rdbms.mapping.java.ColorMapping

public class ColorMapping
extends SingleFieldMultiMapping

Mapping for java.awt.Color mapping the red, green, blue and alpha values to datastore fields.

Field Summary

Fields inherited from class org.datanucleus.store.rdbms.mapping.java.JavaTypeMapping

absFieldNumber, datastoreMappings, LOCALISER, LOCALISER_RDBMS, mmd, referenceMapping, roleForMember, storeMgr, table, type

Constructor Summary

Constructors

Constructor and Description
ColorMapping()

Method Summary

Methods

Modifier and Type	Method and Description
protected void	addColumns()
Class	getJavaType() Accessor for the java type being mapped.
Object	getObject(org.datanucleus.ExecutionContext ec, ResultSet resultSet, int[] exprIndex) Obtains a value from datastoreResults at position specified by exprIndex.
Object	getValueForDatastoreMapping(org.datanucleus.NucleusContext nucleusCtx, int index, Object value) Method to return the value to be stored in the specified datastore index given the overall value for this java type.
void	initialize(org.datanucleus.metadata.AbstractMemberMetaData mmd, Table table, org.datanucleus.ClassLoaderResolver clr) Initialise this JavaTypeMapping with the given DatastoreAdapter for the given field/property MetaData.
void	initialize(RDBMSStoreManager storeMgr, String type) Initialise this JavaTypeMapping with the given StoreManager for the given type.
void	setObject(org.datanucleus.ExecutionContext ec, PreparedStatement ps, int[] exprIndex, Object value) Sets a value into datastoreStatement at position specified by exprIndex.

Methods inherited from class org.datanucleus.store.rdbms.mapping.java.SingleFieldMultiMapping

addColumns, getJavaTypeForDatastoreMapping, hasSimpleDatastoreRepresentation

Methods inherited from class org.datanucleus.store.rdbms.mapping.java.JavaTypeMapping

addDatastoreMapping, equals, failureMessage, getAbsoluteFieldNumber, getBoolean, getByte, getChar, getColumnMetaDataForMember, getDatastoreMapping, getDatastoreMappings, getDouble, getFloat, getInt, getLong, getMemberMetaData, getNumberOfDatastoreMappings, getObject, getReferenceMapping, getRoleForMember, getShort, getStoreManager, getString, getTable, getType, hashCode, includeInFetchStatement, includeInInsertStatement, includeInUpdateStatement, isNullable, isSerialised, representableAsStringLiteralInStatement, setAbsFieldNumber, setBoolean, setByte, setChar, setDouble, setFloat, setInt, setLong, setMemberMetaData, setObject, setReferenceMapping, setRoleForMember, setShort, setString, setTable

Methods inherited from class java.lang.Object

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

Constructor Detail

ColorMapping

public ColorMapping()

Method Detail

initialize

public void initialize(org.datanucleus.metadata.AbstractMemberMetaData mmd,
              Table table,
              org.datanucleus.ClassLoaderResolver clr)

Initialise this JavaTypeMapping with the given DatastoreAdapter for the given field/property MetaData.

Overrides:

initialize in class JavaTypeMapping

Parameters:

mmd - Metadata for the field/property to be mapped (if any)

table - The datastore container storing this mapping (if any)

clr - the ClassLoaderResolver

initialize

public void initialize(RDBMSStoreManager storeMgr,
              String type)

Description copied from class: JavaTypeMapping

Initialise this JavaTypeMapping with the given StoreManager for the given type. Used when the mapping is for a parameter in a query. This will not set the "mmd" and "datastoreContainer" parameters. If these are required for usage of the mapping then you should call "setFieldInformation(AbstractMemberMetaData, DatastoreContainerObject)" below Subclasses should override this method to perform any datastore initialization operations.

Overrides:

initialize in class JavaTypeMapping

Parameters:

storeMgr - The Datastore Adapter that this Mapping should use.

type - The Class that this mapping maps to the database.

addColumns

protected void addColumns()

getJavaType

public Class getJavaType()

Description copied from class: JavaTypeMapping

Accessor for the java type being mapped. This is the java type that the mapping represents. Some examples :

• if the field is of type "MyClass" then the mapping will be OIDMapping (or subclass) the javaType will be OID, and the type will be MyClass.
• if the field is of type "int" then the mapping will be IntegerMapping, the javaType will be Integer, and the type will be int.

The "java type" is the java-type name used in the plugin.xml mapping file

Specified by:

getJavaType in class JavaTypeMapping

Returns:

The java type

getValueForDatastoreMapping

public Object getValueForDatastoreMapping(org.datanucleus.NucleusContext nucleusCtx,
                                 int index,
                                 Object value)

Method to return the value to be stored in the specified datastore index given the overall value for this java type.

Overrides:

getValueForDatastoreMapping in class JavaTypeMapping

Parameters:

index - The datastore index

value - The overall value for this java type

nucleusCtx - Context

Returns:

The value for this datastore index

setObject

public void setObject(org.datanucleus.ExecutionContext ec,
             PreparedStatement ps,
             int[] exprIndex,
             Object value)

Description copied from class: JavaTypeMapping

Sets a value into datastoreStatement at position specified by exprIndex.

Overrides:

setObject in class JavaTypeMapping

Parameters:

ec - ExecutionContext

ps - PreparedStatement

exprIndex - the position of the value in the statement

value - the value

getObject

public Object getObject(org.datanucleus.ExecutionContext ec,
               ResultSet resultSet,
               int[] exprIndex)

Description copied from class: JavaTypeMapping

Obtains a value from datastoreResults at position specified by exprIndex.

Overrides:

getObject in class JavaTypeMapping

Parameters:

ec - ExecutionContext

resultSet - ResultSet

exprIndex - the position of the value in the result

Returns:

the value