com.goldencode.p2j.persist.meta

Class MetadataManager.Helper

java.lang.Object

com.goldencode.p2j.persist.meta.MetadataManager.Helper

Enclosing class:

MetadataManager

private static class MetadataManager.Helper
extends java.lang.Object

Helper class for calling DMO setter methods when populating a metaschema record.

Field Summary

Fields

Modifier and Type	Field and Description
private java.lang.Class<? extends DataModelObject>	dmoIface DMO interface class
private java.lang.Class<? extends Record>	dmoImpl DMO implementation class
private static java.lang.reflect.Method	idSetter Primary key setter method
private static java.lang.String	SET_ID Well-known name of primary key setter method
private java.util.Map<java.lang.String,java.lang.reflect.Method>	setters Map of DMO property setters (excluding primary key setter)

Constructor Summary

Constructors

Constructor and Description
Helper(java.lang.Class<? extends DataModelObject> dmoIface, java.lang.Class<? extends Record> dmoImpl) Constructor.

Method Summary

Modifier and Type	Method and Description
private java.lang.reflect.Method	getSetter(java.lang.String property) Retrieve the DMO property setter method for the specified property name.
(package private) void	setValue(java.lang.Object dmo, java.lang.String property, java.lang.Integer index, java.lang.Object value) Set a property value into a DMO instance.

Methods inherited from class java.lang.Object

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

Field Detail

SET_ID

private static final java.lang.String SET_ID

Well-known name of primary key setter method

See Also:

Constant Field Values

idSetter

private static final java.lang.reflect.Method idSetter

Primary key setter method

dmoImpl

private final java.lang.Class<? extends Record> dmoImpl

DMO implementation class

dmoIface

private final java.lang.Class<? extends DataModelObject> dmoIface

DMO interface class

setters

private final java.util.Map<java.lang.String,java.lang.reflect.Method> setters

Map of DMO property setters (excluding primary key setter)

Constructor Detail

Helper

Helper(java.lang.Class<? extends DataModelObject> dmoIface,
       java.lang.Class<? extends Record> dmoImpl)

Constructor.

Parameters:

dmoIface - DMO interface.

dmoImpl - DMO implementation class.

Method Detail

setValue

void setValue(java.lang.Object dmo,
              java.lang.String property,
              java.lang.Integer index,
              java.lang.Object value)
       throws PersistenceException,
              java.lang.IllegalAccessException,
              java.lang.IllegalArgumentException,
              java.lang.reflect.InvocationTargetException

Set a property value into a DMO instance.

Parameters:

dmo - Target DMO instance.

property - Name of property to be set.

index - Optional string representation of index (for extent fields only). Should be the null if property does not represent an extent field.

value - Value of the appropriate data type (i.e., data wrapper instance) for the target property.

Throws:

PersistenceException - if index cannot be parsed into an Integer.

java.lang.IllegalAccessException - if the target setter method cannot be accessed.

java.lang.IllegalArgumentException - if value is the wrong type.

java.lang.reflect.InvocationTargetException - if the underlying setter method throws an exception.

getSetter

private java.lang.reflect.Method getSetter(java.lang.String property)
                                    throws PersistenceException

Retrieve the DMO property setter method for the specified property name.

Parameters:

property - Name of a DMO property (case-sensitive).

Returns:

Matching setter method.

Throws:

PersistenceException - if a setter method cannot be found for the specified property.