Package jenkins.plugins.jobcacher

Class Cache

java.lang.Object

hudson.model.AbstractDescribableImpl<Cache>

jenkins.plugins.jobcacher.Cache

All Implemented Interfaces:

ExtensionPoint, Describable<Cache>, Serializable

Direct Known Subclasses:

ArbitraryFileCache

public abstract class Cache
extends AbstractDescribableImpl<Cache>
implements ExtensionPoint, Serializable

This class provides the Cache extension point that when implemented provides the caching logic for saving files from the executor to the cache storage system and sending them back to the executor.

Note, that Cache is Serializable and all subclasses must conform as well to work with Pipeline plugin

Author:

Peter Hayes

See Also:

• Serialized Form

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	Cache.DirectorySize	Utility class to calculate the size of a potentially remote directory given a pattern and excludes.
static class	Cache.Saver	Class that is used to save the cache on the remote system back to the cache storage system.

Nested classes/interfaces inherited from interface hudson.ExtensionPoint

ExtensionPoint.LegacyInstancesAreScopedToHudson

Constructor Summary

Constructors

Constructor	Description
Cache()

Method Summary

Modifier and Type	Method	Description
abstract Cache.Saver	cache(ObjectPath cache, ObjectPath defaultCache, Run<?,?> build, FilePath workspace, Launcher launcher, TaskListener listener, EnvVars initialEnvironment, boolean skipRestore)	Seeds the cache on the executor from the cache storage system.
static String	deriveCachePath(String path)	Generates a path within the cache dir given a relative or absolute path that is being cached.
Job<?,?>	getJob()	Gets the ancestor job when invoked via the stapler context.
abstract String	getTitle()	Gets the human-readable title for this cache to be shown on the user interface.

Methods inherited from class hudson.model.AbstractDescribableImpl

getDescriptor

Methods inherited from class java.lang.Object

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

Constructor Details

Cache

public Cache()

Method Details

cache

public abstract Cache.Saver cache(ObjectPath cache,
 ObjectPath defaultCache,
 Run<?,?> build,
 FilePath workspace,
 Launcher launcher,
 TaskListener listener,
 EnvVars initialEnvironment,
 boolean skipRestore)
                           throws IOException,
InterruptedException

Seeds the cache on the executor from the cache storage system.

Parameters:

cache - The root of the object cache

defaultCache - The root of the alternate default object cache

build - The build in progress

workspace - The executor workspace

launcher - The launcher

listener - The task listener

initialEnvironment - The initial environment variables

skipRestore - Whether to skip restoring the cache

Throws:

IOException - If an error occurs connecting to the potentially remote executor

InterruptedException - If interrupted

getTitle

public abstract String getTitle()

Gets the human-readable title for this cache to be shown on the user interface.

Returns:

The title of the cache

getJob

public Job<?,?> getJob()

Gets the ancestor job when invoked via the stapler context.

Returns:

the job

deriveCachePath

public static String deriveCachePath(String path)

Generates a path within the cache dir given a relative or absolute path that is being cached.

Parameters:

path - The relative or absolute path that is being cached

Returns:

A filepath where to save and read from the cache