org.japtproxy.packagepool
Interface PackagePool

All Known Implementing Classes:

DiskPackagePool

public interface PackagePool

The PackagePool interface defines methods to operate with the package pool. The package pool contains all the packages this proxy is responsible for.

Version:

$LastChangedRevision:79 $

Author:

Oliver J. Siegmar

Method Summary

boolean	exists(Backend backend, java.lang.String resourceName) Checks if a resource name already exists.
PoolObject	getPoolObject(Backend backend, java.lang.String resourceName) Returns a PoolObject for the given resource name.
void	removeOldPackages(Backend backend, java.lang.String resourceName) Remove old versions of a resource.

Method Detail

exists

boolean exists(Backend backend,
               java.lang.String resourceName)
               throws java.io.IOException

Checks if a resource name already exists.

Parameters:

resourceName - the resource name to test.

Returns:

true if the resource with the given name exists.

Throws:

java.io.IOException - is thrown if the lookup failed.

getPoolObject

PoolObject getPoolObject(Backend backend,
                         java.lang.String resourceName)
                         throws java.io.IOException

Returns a PoolObject for the given resource name.

Parameters:

resourceName - the resource name.

Returns:

the PoolObject for the given resource name.

Throws:

java.io.IOException - is thrown if the lookup failed.

removeOldPackages

void removeOldPackages(Backend backend,
                       java.lang.String resourceName)

Remove old versions of a resource.

Parameters:

resourceName - the resource name.

maxVersion - the maximum amount of versions allowed to exist.