org.apache.shardingsphere.infra.executor.sql.prepare

Class AbstractExecutionPrepareEngine<T>

java.lang.Object

org.apache.shardingsphere.infra.executor.sql.prepare.AbstractExecutionPrepareEngine<T>

Type Parameters:

T - type of input value

All Implemented Interfaces:

ExecutionPrepareEngine<T>

Direct Known Subclasses:

DriverExecutionPrepareEngine, RawExecutionPrepareEngine

public abstract class AbstractExecutionPrepareEngine<T>
extends Object
implements ExecutionPrepareEngine<T>

Abstract execution prepare engine.

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	AbstractExecutionPrepareEngine(int maxConnectionsSizePerQuery, Collection<ShardingSphereRule> rules)

Method Summary

Modifier and Type	Method and Description
protected abstract List<ExecutionGroup<T>>	group(String dataSourceName, List<List<SQLUnit>> sqlUnitGroups, ConnectionMode connectionMode)
ExecutionGroupContext<T>	prepare(org.apache.shardingsphere.infra.route.context.RouteContext routeContext, Collection<ExecutionUnit> executionUnits) Prepare to execute.

Methods inherited from class java.lang.Object

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

Constructor Detail

AbstractExecutionPrepareEngine

protected AbstractExecutionPrepareEngine(int maxConnectionsSizePerQuery,
                                         Collection<ShardingSphereRule> rules)

Method Detail

prepare

public final ExecutionGroupContext<T> prepare(org.apache.shardingsphere.infra.route.context.RouteContext routeContext,
                                              Collection<ExecutionUnit> executionUnits)
                                       throws SQLException

Description copied from interface: ExecutionPrepareEngine

Prepare to execute.

Specified by:

prepare in interface ExecutionPrepareEngine<T>

Parameters:

routeContext - route context

executionUnits - execution units

Returns:

execution group context

Throws:

SQLException - SQL exception

group

protected abstract List<ExecutionGroup<T>> group(String dataSourceName,
                                                 List<List<SQLUnit>> sqlUnitGroups,
                                                 ConnectionMode connectionMode)
                                          throws SQLException

Throws:

SQLException