Package de.chojo.sqlutil.wrapper.stage

Interface RetrievalStage<T>

Type Parameters:

T - type of RetrievalStage

All Known Implementing Classes:

QueryBuilder

public interface RetrievalStage<T>

Represents a RetrievalStage of a QueryBuilder.

A RetrievalStage is used to retrieve the actual data from the database.

The RetrievalStage defines in which way the results should be retreived.

Method Summary

Modifier and Type	Method	Description
CompletableFuture<List<T>>	all()	Retrieve all results async as a list
CompletableFuture<List<T>>	all(Executor executor)	Retrieve all results async as a list
List<T>	allSync()	Retrieve all results synced as a list
CompletableFuture<Optional<T>>	first()	Retrieve the first result from the results set async
CompletableFuture<Optional<T>>	first(Executor executor)	Retrieve the first result from the results set async
Optional<T>	firstSync()	Retrieve the first result from the results set synced
List<Long>	keysSync()	Retrieve all created keys as a list

Method Details

all

CompletableFuture<List<T>> all()

Retrieve all results async as a list

Returns:

A CompletableFuture to retrieve the data.

Throws:

WrappedQueryExecutionException - if QueryBuilderConfig.isThrowing() is set to true and a exceptions occurs during query building or execution

all

CompletableFuture<List<T>> all(Executor executor)

Retrieve all results async as a list

Parameters:

executor - the executor used for async call

Returns:

A CompletableFuture to retrieve the data.

Throws:

WrappedQueryExecutionException - if QueryBuilderConfig.isThrowing() is set to true and a exceptions occurs during query building or execution

allSync

List<T> allSync()

Retrieve all results synced as a list

Returns:

results as list

Throws:

WrappedQueryExecutionException - if QueryBuilderConfig.isThrowing() is set to true and a exceptions occurs during query building or execution

keysSync

List<Long> keysSync()

Retrieve all created keys as a list

Returns:

results as list

Throws:

WrappedQueryExecutionException - if QueryBuilderConfig.isThrowing() is set to true and a exceptions occurs during query building or execution

first

CompletableFuture<Optional<T>> first()

Retrieve the first result from the results set async

Returns:

A CompletableFuture to retrieve the data.

Throws:

WrappedQueryExecutionException - if QueryBuilderConfig.isThrowing() is set to true and a exceptions occurs during query building or execution

first

CompletableFuture<Optional<T>> first(Executor executor)

Retrieve the first result from the results set async

Parameters:

executor - the executor used for async call

Returns:

A CompletableFuture to retrieve the data.

Throws:

WrappedQueryExecutionException - if QueryBuilderConfig.isThrowing() is set to true and a exceptions occurs during query building or execution

firstSync

Optional<T> firstSync()

Retrieve the first result from the results set synced

Returns:

result wrapped into an optional

Throws:

WrappedQueryExecutionException - if QueryBuilderConfig.isThrowing() is set to true and a exceptions occurs during query building or execution