com.atlassian.bamboo.upgrade.utils.impl

Class DatabaseUpgradePaginatorImpl

java.lang.Object

com.atlassian.bamboo.upgrade.utils.impl.DatabaseUpgradePaginatorImpl

All Implemented Interfaces:

DatabaseUpgradePaginator

public class DatabaseUpgradePaginatorImpl
extends Object
implements DatabaseUpgradePaginator

Nested Class Summary

Nested classes/interfaces inherited from interface com.atlassian.bamboo.upgrade.utils.DatabaseUpgradePaginator

DatabaseUpgradePaginator.PaginatedDataSupplier<T>

Constructor Summary

Constructors

Constructor and Description
DatabaseUpgradePaginatorImpl(BambooTransactionHibernateTemplate bambooTransactionHibernateTemplate)

Method Summary

Modifier and Type	Method and Description
<T> void	forEach(DatabaseUpgradePaginator.PaginatedDataSupplier<T> dataSupplier, Consumer<T> consumer) Executes the given consumer for each element of an underlying large collection of elements.
<T> void	forEach(DatabaseUpgradePaginator.PaginatedDataSupplier<T> dataSupplier, int pageSize, Consumer<T> consumer) Executes the given consumer for each element of an underlying large collection of elements.
<T> void	forEachPage(DatabaseUpgradePaginator.PaginatedDataSupplier<T> dataSupplier, Consumer<Collection<T>> elementConsumer) Executes the given consumer on each page of an underlying large collection of elements.
<T> void	forEachPage(DatabaseUpgradePaginator.PaginatedDataSupplier<T> dataSupplier, int pageSize, Consumer<Collection<T>> elementConsumer) Executes the given consumer for each page of an underlying large collection of elements.

Methods inherited from class java.lang.Object

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

Constructor Detail

DatabaseUpgradePaginatorImpl

@Autowired
public DatabaseUpgradePaginatorImpl(BambooTransactionHibernateTemplate bambooTransactionHibernateTemplate)

Method Detail

forEachPage

public <T> void forEachPage(@NotNull
                            DatabaseUpgradePaginator.PaginatedDataSupplier<T> dataSupplier,
                            @NotNull
                            Consumer<Collection<T>> elementConsumer)

Description copied from interface: DatabaseUpgradePaginator

Executes the given consumer on each page of an underlying large collection of elements. The elements are fetched using the dataSupplier page by page, with default pageSize.

Specified by:

forEachPage in interface DatabaseUpgradePaginator

Type Parameters:

T - type of elements iterated over

Parameters:

dataSupplier - a supplier for fetching paginated data from the actual data source

elementConsumer - action to perform for each page; every call will be wrapped in a separate transaction

forEachPage

public <T> void forEachPage(@NotNull
                            DatabaseUpgradePaginator.PaginatedDataSupplier<T> dataSupplier,
                            int pageSize,
                            @NotNull
                            Consumer<Collection<T>> elementConsumer)

Description copied from interface: DatabaseUpgradePaginator

Executes the given consumer for each page of an underlying large collection of elements. The elements are fetched using the dataSupplier page by page, with specified pageSize.

Specified by:

forEachPage in interface DatabaseUpgradePaginator

Type Parameters:

T - type of elements iterated over

Parameters:

dataSupplier - a supplier for fetching paginated data from the actual data source

pageSize - size of each fetched page

elementConsumer - action to perform for each page; every call will be wrapped in a separate transaction

forEach

public <T> void forEach(@NotNull
                        DatabaseUpgradePaginator.PaginatedDataSupplier<T> dataSupplier,
                        @NotNull
                        Consumer<T> consumer)

Description copied from interface: DatabaseUpgradePaginator

Executes the given consumer for each element of an underlying large collection of elements. The elements are fetched using the dataSupplier page by page, with default pageSize.

Specified by:

forEach in interface DatabaseUpgradePaginator

Type Parameters:

T - type of elements iterated over

Parameters:

dataSupplier - a supplier for fetching paginated data from the actual data source

consumer - action to perform for each element; executed in transactions, one transaction per page

forEach

public <T> void forEach(@NotNull
                        DatabaseUpgradePaginator.PaginatedDataSupplier<T> dataSupplier,
                        int pageSize,
                        @NotNull
                        Consumer<T> consumer)

Description copied from interface: DatabaseUpgradePaginator

Executes the given consumer for each element of an underlying large collection of elements. The elements are fetched using the dataSupplier page by page, with specified pageSize.

Specified by:

forEach in interface DatabaseUpgradePaginator

Type Parameters:

T - type of elements iterated over

Parameters:

dataSupplier - a supplier for fetching paginated data from the actual data source

pageSize - size of each fetched page

consumer - action to perform for each element; executed in transactions, one transaction per page