org.salespointframework.core.data.database
Class DefaultClassFieldMapper

java.lang.Object
  org.salespointframework.core.data.database.DefaultClassFieldMapper

All Implemented Interfaces:

ClassFieldMapper

public class DefaultClassFieldMapper
extends java.lang.Object
implements ClassFieldMapper

This is the default implementation for the ClassFieldMapper deals with annotations

Since:

4.0

Author:

Thomas Kissinger

Field Summary

(package private) boolean	autoAssign auto assign unique field ?
(package private) java.lang.reflect.Constructor	cConstructor recovery constructor
(package private) java.lang.String[]	cParams parameters cConstructor
(package private) java.lang.Class	curClass currently analyzed class
(package private) java.lang.String	defaultForeignKey default type for foreign keys
(package private) java.util.Map<java.lang.String,java.lang.String>	fkFields non-basic fields
(package private) java.lang.Class	implementationKey type of surrogate key
(package private) boolean	initClass true, if class requests to be initialized
(package private) java.util.Map<java.lang.String,java.lang.String>	java2Sql type map from current DatabaseConnection
(package private) java.util.List<java.lang.reflect.Field>	relevantFields fields that are relevant for persistence (no static, transient,....)
(package private) java.util.Map<java.lang.String,java.lang.String>	remappings data type remappings
(package private) java.lang.reflect.Field	uniqueField the unique field

Constructor Summary

DefaultClassFieldMapper()
default constructor

DefaultClassFieldMapper(java.util.Map<java.lang.String,java.lang.String> java2sql)
constructor

Method Summary

java.lang.String	getClassNameFieldType() gets db field type for storing class names
java.lang.String[]	getConstructionParameters(java.lang.Class c) return parameter which should be passed to constructor
java.lang.reflect.Constructor	getConstructor(java.lang.Class c) return the constructor which should be used for instantiation
java.lang.String	getDefaultType() get the default type for foreign keys
java.util.Map<java.lang.reflect.Field,java.lang.Boolean>	getDistributionMap(java.lang.Class c, java.lang.Object o) DistributionMap indicates for each relevant field, if it should be stored in the record or in a external table true means: local false means: external
java.lang.Class	getImplementationKey(java.lang.Class c) Returns the Implementation key for interfaces
java.util.List<java.lang.reflect.Field>	getRelevantFields(java.lang.Class c) return a list of all relevant fields e.g. transient, static fields can be excluded
java.util.Map<java.lang.String,java.lang.String>	getSQLFieldMap(java.lang.Class c, java.lang.Object o) Maps each relevant field of the class to a (basic) database type
java.lang.reflect.Field	getUniqueField(java.lang.Class c) get the unique field of the class
boolean	initializeClass(java.lang.Class c) indicates whether the class needs to be initialized via reflections
java.lang.String	isBasicType(java.lang.Class c) Update by Jens Grünberg
boolean	isKeyAutoAssigned(java.lang.Class c) Check if key should be assigned automatically
void	setDataseConnection(DatabaseConnection dbc) current database connection to work with
private void	switchContext(java.lang.Class c) analyze this class if changed

Methods inherited from class java.lang.Object

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

Field Detail

java2Sql

java.util.Map<java.lang.String,java.lang.String> java2Sql

type map from current DatabaseConnection

relevantFields

java.util.List<java.lang.reflect.Field> relevantFields

fields that are relevant for persistence (no static, transient,....)

remappings

java.util.Map<java.lang.String,java.lang.String> remappings

data type remappings

fkFields

java.util.Map<java.lang.String,java.lang.String> fkFields

non-basic fields

uniqueField

java.lang.reflect.Field uniqueField

the unique field

curClass

java.lang.Class curClass

currently analyzed class

defaultForeignKey

java.lang.String defaultForeignKey

default type for foreign keys

initClass

boolean initClass

true, if class requests to be initialized

cConstructor

java.lang.reflect.Constructor cConstructor

recovery constructor

cParams

java.lang.String[] cParams

parameters cConstructor

implementationKey

java.lang.Class implementationKey

type of surrogate key

autoAssign

boolean autoAssign

auto assign unique field ?

Constructor Detail

DefaultClassFieldMapper

public DefaultClassFieldMapper()

default constructor

DefaultClassFieldMapper

public DefaultClassFieldMapper(java.util.Map<java.lang.String,java.lang.String> java2sql)

constructor

Parameters:

java2sql - typemap

Method Detail

switchContext

private void switchContext(java.lang.Class c)

analyze this class if changed

Parameters:

c -

getSQLFieldMap

public java.util.Map<java.lang.String,java.lang.String> getSQLFieldMap(java.lang.Class c,
                                                                       java.lang.Object o)

Description copied from interface: ClassFieldMapper

Maps each relevant field of the class to a (basic) database type

Specified by:

getSQLFieldMap in interface ClassFieldMapper

Parameters:

c - class to map

o - object to map

Returns:

the field map

See Also:

ClassFieldMapper.getSQLFieldMap(Class, Object)

getUniqueField

public java.lang.reflect.Field getUniqueField(java.lang.Class c)

Description copied from interface: ClassFieldMapper

get the unique field of the class

Specified by:

getUniqueField in interface ClassFieldMapper

Parameters:

c - class to inspect

Returns:

the unique field

See Also:

ClassFieldMapper.getUniqueField(Class)

getDefaultType

public java.lang.String getDefaultType()

Description copied from interface: ClassFieldMapper

get the default type for foreign keys

Specified by:

getDefaultType in interface ClassFieldMapper

Returns:

See Also:

ClassFieldMapper.getDefaultType()

getDistributionMap

public java.util.Map<java.lang.reflect.Field,java.lang.Boolean> getDistributionMap(java.lang.Class c,
                                                                                   java.lang.Object o)

Description copied from interface: ClassFieldMapper

DistributionMap indicates for each relevant field, if it should be stored in the record or in a external table true means: local false means: external

Specified by:

getDistributionMap in interface ClassFieldMapper

Parameters:

c - class to map

o - object to map

Returns:

the ditribution map

See Also:

ClassFieldMapper.getDistributionMap(Class, Object)

getClassNameFieldType

public java.lang.String getClassNameFieldType()

Description copied from interface: ClassFieldMapper

gets db field type for storing class names

Specified by:

getClassNameFieldType in interface ClassFieldMapper

Returns:

See Also:

ClassFieldMapper.getClassNameFieldType()

getRelevantFields

public java.util.List<java.lang.reflect.Field> getRelevantFields(java.lang.Class c)

Description copied from interface: ClassFieldMapper

return a list of all relevant fields e.g. transient, static fields can be excluded

Specified by:

getRelevantFields in interface ClassFieldMapper

Parameters:

c - class to inspect

Returns:

See Also:

ClassFieldMapper.getRelevantFields(Class)

initializeClass

public boolean initializeClass(java.lang.Class c)

Description copied from interface: ClassFieldMapper

indicates whether the class needs to be initialized via reflections

Specified by:

initializeClass in interface ClassFieldMapper

Parameters:

c - class to inspect

Returns:

true if it needs

See Also:

ClassFieldMapper.initializeClass(Class)

getConstructionParameters

public java.lang.String[] getConstructionParameters(java.lang.Class c)

Description copied from interface: ClassFieldMapper

return parameter which should be passed to constructor

Specified by:

getConstructionParameters in interface ClassFieldMapper

Parameters:

c - class to inspect

Returns:

See Also:

ClassFieldMapper.getConstructionParameters(Class)

getConstructor

public java.lang.reflect.Constructor getConstructor(java.lang.Class c)

Description copied from interface: ClassFieldMapper

return the constructor which should be used for instantiation

Specified by:

getConstructor in interface ClassFieldMapper

Parameters:

c - class to inspect

Returns:

See Also:

ClassFieldMapper.getConstructor(Class)

isBasicType

public java.lang.String isBasicType(java.lang.Class c)

Update by Jens Grünberg

Specified by:

isBasicType in interface ClassFieldMapper

Parameters:

c - class to inspect

Returns:

the basic type, or null if not basic

setDataseConnection

public void setDataseConnection(DatabaseConnection dbc)

Description copied from interface: ClassFieldMapper

current database connection to work with

Specified by:

setDataseConnection in interface ClassFieldMapper

See Also:

ClassFieldMapper.setDataseConnection(DatabaseConnection)

getImplementationKey

public java.lang.Class getImplementationKey(java.lang.Class c)

Description copied from interface: ClassFieldMapper

Returns the Implementation key for interfaces

Specified by:

getImplementationKey in interface ClassFieldMapper

Parameters:

c - class to inspect

Returns:

See Also:

ClassFieldMapper.getImplementationKey(Class)

isKeyAutoAssigned

public boolean isKeyAutoAssigned(java.lang.Class c)

Description copied from interface: ClassFieldMapper

Check if key should be assigned automatically

Specified by:

isKeyAutoAssigned in interface ClassFieldMapper

Parameters:

c - Class to inspect

Returns:

true, is auto assigned

See Also:

ClassFieldMapper.isKeyAutoAssigned(Class)