Package org.apache.shardingsphere.infra.executor.kernel

Class ExecutorEngine

java.lang.Object

org.apache.shardingsphere.infra.executor.kernel.ExecutorEngine

All Implemented Interfaces:

AutoCloseable

public final class ExecutorEngine
extends Object
implements AutoCloseable

Executor engine.

Method Summary

Modifier and Type	Method	Description
void	close()
static ExecutorEngine	createExecutorEngineWithCPU()	Create executor engine with CPU.
static ExecutorEngine	createExecutorEngineWithCPUAndResources(int resourceCount)	Create executor engine with CPU and resources.
static ExecutorEngine	createExecutorEngineWithSize(int executorSize)	Create executor engine with executor size.
<I, O> List<O>	execute(ExecutionGroupContext<I> executionGroupContext, ExecutorCallback<I,O> callback)	Execute.
<I, O> List<O>	execute(ExecutionGroupContext<I> executionGroupContext, ExecutorCallback<I,O> firstCallback, ExecutorCallback<I,O> callback, boolean serial)	Execute.

Methods inherited from class java.lang.Object

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

Method Details

createExecutorEngineWithSize

public static ExecutorEngine createExecutorEngineWithSize(int executorSize)

Create executor engine with executor size.

Parameters:

executorSize - executor size

Returns:

created executor engine

createExecutorEngineWithCPUAndResources

public static ExecutorEngine createExecutorEngineWithCPUAndResources(int resourceCount)

Create executor engine with CPU and resources.

Parameters:

resourceCount - resource count

Returns:

created executor engine

createExecutorEngineWithCPU

public static ExecutorEngine createExecutorEngineWithCPU()

Create executor engine with CPU.

Returns:

created executor engine

execute

public <I,
O> List<O> execute(ExecutionGroupContext<I> executionGroupContext,
 ExecutorCallback<I,O> callback)
                      throws SQLException

Execute.

Type Parameters:

I - type of input value

O - type of return value

Parameters:

executionGroupContext - execution group context

callback - executor callback

Returns:

execute result

Throws:

SQLException - throw if execute failure

execute

public <I,
O> List<O> execute(ExecutionGroupContext<I> executionGroupContext,
 ExecutorCallback<I,O> firstCallback,
 ExecutorCallback<I,O> callback,
 boolean serial)
                      throws SQLException

Execute.

Type Parameters:

I - type of input value

O - type of return value

Parameters:

executionGroupContext - execution group context

firstCallback - first executor callback

callback - other executor callback

serial - whether using multi thread execute or not

Returns:

execute result

Throws:

SQLException - throw if execute failure

close

public void close()

Specified by:

close in interface AutoCloseable