Package org.apache.sling.installer.api.info

Interface Resource

All Superinterfaces:

RegisteredResource

@ProviderType
public interface Resource
extends RegisteredResource

A resource provides all relevant information about a registered resource.

Since:

1.0

Method Summary

Modifier and Type	Method	Description
@Nullable Object	getAttribute(String key)	Get the value of an attribute.
@Nullable String	getError()	In case the resource was not successfully processed this might expose the related error description
long	getLastChange()	When did the last change happen?
ResourceState	getState()	Get the current state of the resource.
@Nullable org.osgi.framework.Version	getVersion()	Return the version of the artifact.

Methods inherited from interface org.apache.sling.installer.api.tasks.RegisteredResource

getDictionary, getDigest, getEntityId, getInputStream, getPriority, getScheme, getType, getURL

Method Details

getState

ResourceState getState()

Get the current state of the resource.

Returns:

The resource state.

getError

@Nullable
@Nullable String getError()

In case the resource was not successfully processed this might expose the related error description

Returns:

an error string or null

getVersion

@Nullable
@Nullable org.osgi.framework.Version getVersion()

Return the version of the artifact.

Returns:

The version of the artifact or null

getLastChange

long getLastChange()

When did the last change happen?

Returns:

-1 if no change , 0 if unknown, > 0 otherwise

getAttribute

@Nullable
@Nullable Object getAttribute(String key)

Get the value of an attribute. Attributes are specific to the resource and are either set by a ResourceTransformer or a InstallTask for processing.

Parameters:

key - The name of the attribute

Returns:

The value of the attribute or null