com.asakusafw.yaess.basic

Class BasicLockProvider

java.lang.Object

com.asakusafw.yaess.core.ExecutionLockProvider

com.asakusafw.yaess.basic.BasicLockProvider

All Implemented Interfaces:

Service

public class BasicLockProvider
extends ExecutionLockProvider

Basic implementation of ExecutionLockProvider using file system.

Since:

0.2.3

Field Summary

Fields

Modifier and Type	Field and Description
static String	KEY_DIRECTORY Profile key name of session storage directory.

Fields inherited from class com.asakusafw.yaess.core.ExecutionLockProvider

KEY_SCOPE

Constructor Summary

Constructors

Constructor and Description
BasicLockProvider()

Method Summary

Modifier and Type	Method and Description
void	doConfigure(ServiceProfile<?> profile) Configures this provider internally (extention point).
protected ExecutionLock	newInstance(ExecutionLock.Scope lockScope, String batchId) Creates a new lock manager.

Methods inherited from class com.asakusafw.yaess.core.ExecutionLockProvider

configure, newInstance

Methods inherited from class java.lang.Object

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

Field Detail

KEY_DIRECTORY

public static final String KEY_DIRECTORY

Profile key name of session storage directory. This value can includes environment variables in form of ${VARIABLE-NAME}.

See Also:

Constant Field Values

Constructor Detail

BasicLockProvider

public BasicLockProvider()

Method Detail

doConfigure

public void doConfigure(ServiceProfile<?> profile)
                 throws InterruptedException,
                        IOException

Description copied from class: ExecutionLockProvider

Configures this provider internally (extention point).

Specified by:

doConfigure in class ExecutionLockProvider

Parameters:

profile - the profile of this service

Throws:

InterruptedException - if interrupted in configuration

IOException - if failed to configure this service

newInstance

protected ExecutionLock newInstance(ExecutionLock.Scope lockScope,
                                    String batchId)
                             throws IOException

Description copied from class: ExecutionLockProvider

Creates a new lock manager.

Specified by:

newInstance in class ExecutionLockProvider

Parameters:

lockScope - target scope

batchId - the current batch ID

Returns:

the created instance

Throws:

IOException - if failed to acquire the lock