Package org.hibernate.envers.internal.entities.mapper.relation.lazy.initializor

Class AbstractCollectionInitializor<T>

java.lang.Object

org.hibernate.envers.internal.entities.mapper.relation.lazy.initializor.AbstractCollectionInitializor<T>

All Implemented Interfaces:

Initializor<T>

Direct Known Subclasses:

ArrayCollectionInitializor, BasicCollectionInitializor, ListCollectionInitializor, MapCollectionInitializor

public abstract class AbstractCollectionInitializor<T>
extends Object
implements Initializor<T>

Initializes a persistent collection.

Author:

Adam Warski (adam at warski dot org)

Field Summary

Fields

Modifier and Type	Field	Description
protected EntityInstantiator	entityInstantiator
protected boolean	removed
protected Number	revision

Constructor Summary

Constructors

Constructor	Description
AbstractCollectionInitializor(EnversService enversService, AuditReaderImplementor versionsReader, RelationQueryGenerator queryGenerator, Object primaryKey, Number revision, boolean removed)

Method Summary

Modifier and Type	Method	Description
protected abstract void	addToCollection(T collection, Object collectionRow)
protected <R> R	doPrivileged(Supplier<R> block)	Perform an action in a privileged block.
T	initialize()
protected abstract T	initializeCollection(int size)
protected <R> R	newObjectInstance(Class<R> clazz, Object... args)	Creates a new object based on the specified class with the given constructor arguments.

Methods inherited from class java.lang.Object

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

Field Detail

revision

protected final Number revision

removed

protected final boolean removed

entityInstantiator

protected final EntityInstantiator entityInstantiator

Constructor Detail

AbstractCollectionInitializor

public AbstractCollectionInitializor(EnversService enversService,
                                     AuditReaderImplementor versionsReader,
                                     RelationQueryGenerator queryGenerator,
                                     Object primaryKey,
                                     Number revision,
                                     boolean removed)

Method Detail

initializeCollection

protected abstract T initializeCollection(int size)

addToCollection

protected abstract void addToCollection(T collection,
                                        Object collectionRow)

initialize

public T initialize()

Specified by:

initialize in interface Initializor<T>

doPrivileged

protected <R> R doPrivileged(Supplier<R> block)

Perform an action in a privileged block.

Type Parameters:

R - the return type

Parameters:

block - the lambda to executed in privileged.

Returns:

the result of the privileged call, may be null

newObjectInstance

protected <R> R newObjectInstance(Class<R> clazz,
                                  Object... args)

Creates a new object based on the specified class with the given constructor arguments.

Type Parameters:

R - the return class type

Parameters:

clazz - the class, must not be null

args - the variadic constructor arguments, may be omitted.

Returns:

a new instance of the class