org.eclipse.osgi.internal.resolver
Class UserState

java.lang.Object
  org.eclipse.osgi.internal.resolver.StateImpl
      org.eclipse.osgi.internal.resolver.UserState

All Implemented Interfaces:

State

public class UserState
extends StateImpl

This implementation of State does a bookkeeping of all added/removed

Field Summary

Fields inherited from class org.eclipse.osgi.internal.resolver.StateImpl

PROPS

Constructor Summary

UserState()

Method Summary

StateDelta	compare(State baseState) Returns a delta describing the differences between this state and the given state.
boolean	removeBundle(BundleDescription description) Removes the given bundle description.
boolean	updateBundle(BundleDescription newDescription) Updates an existing bundle description with the given description.

Methods inherited from class org.eclipse.osgi.internal.resolver.StateImpl

addBundle, addDisabledInfo, addResolverError, dynamicCacheChanged, fullyLoad, getBundle, getBundle, getBundleByLocation, getBundles, getBundles, getChanges, getDisabledBundles, getDisabledInfo, getDisabledInfos, getExportedPackages, getFactory, getHighestBundleId, getPlatformProperties, getRemovalPendings, getResolvedBundles, getResolver, getResolverErrors, getStateHelper, getSystemBundle, getSystemPackages, getTimeStamp, isEmpty, isResolved, linkDynamicImport, removeBundle, removeBundleComplete, removeDisabledInfo, removeResolverErrors, resolve, resolve, resolve, resolveBundle, resolveBundle, resolveConstraint, setNativePathsInvalid, setOverrides, setPlatformProperties, setPlatformProperties, setResolver, setTimeStamp, unloadLazyData

Methods inherited from class java.lang.Object

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

Constructor Detail

UserState

public UserState()

Method Detail

removeBundle

public boolean removeBundle(BundleDescription description)

Description copied from interface: State

Removes the given bundle description.

Specified by:

removeBundle in interface State

Overrides:

removeBundle in class StateImpl

Parameters:

description - the bundle description to be removed

Returns:

true, if if the bundle description was removed, false otherwise

updateBundle

public boolean updateBundle(BundleDescription newDescription)

Description copied from interface: State

Updates an existing bundle description with the given description.

Specified by:

updateBundle in interface State

Overrides:

updateBundle in class StateImpl

Parameters:

newDescription - the bundle description to replace an existing one

Returns:

true, if if the bundle description was updated, false otherwise

compare

public StateDelta compare(State baseState)
                   throws BundleException

Description copied from interface: State

Returns a delta describing the differences between this state and the given state. The given state is taken as the base so the absence of a bundle in this state is reported as a deletion, etc.

Note that the generated StateDelta will contain BundleDeltas with one of the following types: BundleDelta.ADDED, BundleDelta.REMOVED and BundleDelta.UPDATED

Parameters:

baseState - the base state

Returns:

a delta describing differences between this and the base state state

Throws:

BundleException