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@@ -8,14 +8,11 @@ |
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import org.litesoft.initfrom.server.boviews.podataproviders.*; |
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import org.litesoft.initfrom.server.pos.*; |
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public class CurrentRestrictedResourceAccessor implements ServerStateChangedListener |
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{ |
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public static synchronized CurrentRestrictedResourceAccessor get() |
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{ |
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public class CurrentRestrictedResourceAccessor implements ServerStateChangedListener { |
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public static synchronized CurrentRestrictedResourceAccessor get() { |
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ServerStore zStore = ServerContext.get().getServerStore(); |
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CurrentRestrictedResourceAccessor zAccessor = zStore.get( CurrentRestrictedResourceAccessor.class ); |
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if ( zAccessor == null ) |
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{ |
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if ( zAccessor == null ) { |
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zStore.set( CurrentRestrictedResourceAccessor.class, zAccessor = new CurrentRestrictedResourceAccessor() ); |
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} |
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return zAccessor; |
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@@ -25,127 +22,105 @@ |
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private ChangeListenerManager mRegisteredWithCLM; |
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private RestrictedResource mPO; |
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public RestrictedResource getRequiredRestrictedResource() |
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{ |
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public RestrictedResource getRequiredRestrictedResource() { |
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RestrictedResource zRestrictedResource = getOptionalRestrictedResource(); |
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if ( zRestrictedResource == null ) |
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{ |
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if ( zRestrictedResource == null ) { |
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throw new SessionExpiredException( "No Current RestrictedResource" ); |
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} |
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return zRestrictedResource; |
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} |
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public RestrictedResource getOptionalRestrictedResource() |
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{ |
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public RestrictedResource getOptionalRestrictedResource() { |
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Pair zPair = getPair(); |
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if ( zPair.getVO() == null ) |
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{ |
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if ( zPair.getVO() == null ) { |
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return null; |
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} |
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if ( (zPair.getPO() == null) || !zPair.inSync() ) |
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{ |
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if ( (zPair.getPO() == null) || !zPair.inSync() ) { |
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zPair = refresh( zPair ); |
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} |
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return zPair.getPO(); |
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} |
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public RestrictedResourceView getRestrictedResourceView() |
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{ |
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public RestrictedResourceView getRestrictedResourceView() { |
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Pair zPair = getPair(); |
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if ( zPair.isStale() ) |
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{ |
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if ( zPair.isStale() ) { |
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zPair = refresh( zPair ); |
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} |
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return zPair.getVO(); |
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} |
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public void logout() |
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{ |
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public void logout() { |
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update( null, null ); |
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} |
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public RestrictedResourceView updateRestrictedResource( RestrictedResource pPO ) |
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{ |
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public RestrictedResourceView updateRestrictedResource( RestrictedResource pPO ) { |
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RestrictedResourceView zView = getDataProvider().createView( pPO, false ); |
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update( zView, pPO ); |
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return zView; |
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} |
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private Pair refresh( Pair pPair ) |
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{ |
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private Pair refresh( Pair pPair ) { |
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RestrictedResourceViewPoServerVoDataProvider zDP = getDataProvider(); |
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RestrictedResource zRestrictedResource = (RestrictedResource) zDP.getPO( pPair.getVO().getID() ); |
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return update( zDP.createView( zRestrictedResource, false ), zRestrictedResource ); |
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} |
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private Pair update( RestrictedResourceView pView, RestrictedResource pPO ) |
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{ |
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private Pair update( RestrictedResourceView pView, RestrictedResource pPO ) { |
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Pair rv; |
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RestrictedResource zOld, zNew; |
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synchronized ( this ) |
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synchronized ( this ) { |
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rv = new Pair( mViewStale = false, pView, pPO ); |
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ServerContext.get().getServerSession().setAttribute( RestrictedResourceView.class, pView ); |
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zOld = mPO; |
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zNew = mPO = pPO; |
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} |
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if ( !Objects.areNonArraysEqual( zOld, zNew ) ) |
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{ |
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if ( zOld != null ) |
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if ( !Objects.areNonArraysEqual( zOld, zNew ) ) { |
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if ( zOld != null ) { |
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mRegisteredWithCLM.removeListener( this ); |
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mRegisteredWithCLM = null; |
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} |
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if ( zNew != null ) |
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{ |
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if ( zNew != null ) { |
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(mRegisteredWithCLM = ChangeListenerManager.get()).addListener( this, RestrictedResource.class, zNew.getPersistentObjectUniqueKey() ); |
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} |
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} |
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return rv; |
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} |
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private synchronized Pair getPair() |
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{ |
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private synchronized Pair getPair() { |
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RestrictedResourceView zRestrictedResourceView = ServerContext.get().getServerSession().getAttribute( RestrictedResourceView.class ); |
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return new Pair( mViewStale, zRestrictedResourceView, mPO ); |
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} |
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@Override |
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public synchronized void serverStateChanged( ServerStateChangeSet pServerStateChangeSet ) |
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{ |
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public synchronized void serverStateChanged( ServerStateChangeSet pServerStateChangeSet ) { |
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mViewStale = true; |
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} |
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private RestrictedResourceViewPoServerVoDataProvider getDataProvider() |
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{ |
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return (RestrictedResourceViewPoServerVoDataProvider) ServerContext.getMasterServerStore().get( ServerVoDataProviderMap.class ).get( RestrictedResourceView.class ); |
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private RestrictedResourceViewPoServerVoDataProvider getDataProvider() { |
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return (RestrictedResourceViewPoServerVoDataProvider) ServerContext.getMasterServerStore().get( ServerVoDataProviderMap.class ) |
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.get( RestrictedResourceView.class ); |
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} |
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private static class Pair |
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{ |
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private static class Pair { |
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private boolean mStale; |
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private RestrictedResourceView mVO; |
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private RestrictedResource mPO; |
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private Pair( boolean pStale, RestrictedResourceView pVO, RestrictedResource pPO ) |
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{ |
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private Pair( boolean pStale, RestrictedResourceView pVO, RestrictedResource pPO ) { |
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mStale = (pVO != null) && pStale; |
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mVO = pVO; |
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mPO = pPO; |
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} |
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public boolean isStale() |
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{ |
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public boolean isStale() { |
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return mStale; |
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} |
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public RestrictedResourceView getVO() |
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{ |
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public RestrictedResourceView getVO() { |
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return mVO; |
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} |
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public RestrictedResource getPO() |
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{ |
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public RestrictedResource getPO() { |
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return mPO; |
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} |
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