com.atlassian.confluence.core

Interface BatchOperationManager

All Known Implementing Classes:

SimpleHibernateBatchOperationManager, SimpleHibernateBatchOperationManager5

public interface BatchOperationManager

Perform batch operations without any explicit dependency on a particular version of Hibernate or Spring.

Method Summary

Modifier and Type	Method and Description
default <I,O> Iterable<O>	applyInBatches(Iterable<I> input, int expectedTotal, Function<I,O> task) Executes a task for each item in a collection in batches
default <I,O> Iterable<O>	applyInBatches(Iterable<I> input, int batchSize, int expectedTotal, Function<I,O> task) Executes a task for each item in a collection in batches with configurable batch size
default <I,O> Iterable<O>	applyInChunks(Iterable<I> input, int chunkSize, int sizeToCollect, Function<List<I>,List<O>> task) Processes a collection of items in chunks until a given number of processed items is reached, the processed items are then returned.
<I,O> Iterable<O>	performAsBatch(Iterable<I> input, int expectedTotal, com.google.common.base.Function<I,O> task) Deprecated. since 7.0.1. Use applyInBatches(Iterable, int, Function)
<I,O> Iterable<O>	performAsBatch(Iterable<I> input, int batchSize, int expectedTotal, com.google.common.base.Function<I,O> task) Deprecated. since 7.0.1. Use applyInBatches(Iterable, int, int, Function)
<I,O> Iterable<O>	performInChunks(Iterable<I> input, int chunkSize, int sizeToCollect, com.google.common.base.Function<List<I>,List<O>> task) Deprecated. since 7.0.1. Use applyInChunks(Iterable, int, int, Function)

Method Detail

performAsBatch

@Deprecated
<I,O> Iterable<O> performAsBatch(Iterable<I> input,
                                             int batchSize,
                                             int expectedTotal,
                                             com.google.common.base.Function<I,O> task)

Deprecated. since 7.0.1. Use applyInBatches(Iterable, int, int, Function)

Executes a task for each item in a collection in batches with configurable batch size

Type Parameters:

I - input type

O - output type

Parameters:

input - the items to process

batchSize - the size of the batch

expectedTotal - the expected number of items to process

task - a function to process the items

Returns:

list of task outputs of specified type

Since:

6.14.0

applyInBatches

default <I,O> Iterable<O> applyInBatches(Iterable<I> input,
                                         int batchSize,
                                         int expectedTotal,
                                         Function<I,O> task)

Executes a task for each item in a collection in batches with configurable batch size

Type Parameters:

I - input type

O - output type

Parameters:

input - the items to process

batchSize - the size of the batch

expectedTotal - the expected number of items to process

task - a function to process the items

Returns:

list of task outputs of specified type

Since:

7.0.1

performAsBatch

@Deprecated
<I,O> Iterable<O> performAsBatch(Iterable<I> input,
                                             int expectedTotal,
                                             com.google.common.base.Function<I,O> task)

Deprecated. since 7.0.1. Use applyInBatches(Iterable, int, Function)

Executes a task for each item in a collection in batches

Type Parameters:

I - input type

O - output type

Parameters:

input - the items to process

expectedTotal - the expected number of items to process

task - a function to process the items

Returns:

list of task outputs of specified type

applyInBatches

default <I,O> Iterable<O> applyInBatches(Iterable<I> input,
                                         int expectedTotal,
                                         Function<I,O> task)

Executes a task for each item in a collection in batches

Type Parameters:

I - input type

O - output type

Parameters:

input - the items to process

expectedTotal - the expected number of items to process

task - a function to process the items

Returns:

list of task outputs of specified type

Since:

7.0.1

performInChunks

@Deprecated
<I,O> Iterable<O> performInChunks(Iterable<I> input,
                                              int chunkSize,
                                              int sizeToCollect,
                                              com.google.common.base.Function<List<I>,List<O>> task)

Deprecated. since 7.0.1. Use applyInChunks(Iterable, int, int, Function)

Processes a collection of items in chunks until a given number of processed items is reached, the processed items are then returned.

Parameters:

input - the items to process

chunkSize - the size of the batch

sizeToCollect - the number of processed items to return

task - a function to process the items

Returns:

A list of processed items

applyInChunks

default <I,O> Iterable<O> applyInChunks(Iterable<I> input,
                                        int chunkSize,
                                        int sizeToCollect,
                                        Function<List<I>,List<O>> task)

Processes a collection of items in chunks until a given number of processed items is reached, the processed items are then returned.

Parameters:

input - the items to process

chunkSize - the size of the batch

sizeToCollect - the number of processed items to return

task - a function to process the items

Returns:

A list of processed items

Since:

7.0.1