litesoft
@ 947
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// This Source Code is in the Public Domain per: http://unlicense.org package org.litesoft.GWT.forms.server.support.nonpublic; import java.io.*; import org.litesoft.commonfoundation.base.*; import org.litesoft.commonfoundation.exceptions.*; import org.litesoft.commonfoundation.typeutils.Objects; import java.util.*; import org.litesoft.GWT.forms.server.*; import org.litesoft.GWT.forms.server.support.*; import org.litesoft.*; import org.litesoft.changemanagement.*; import org.litesoft.core.delayed.*; import org.litesoft.core.simpletypes.*; import org.litesoft.delayed.*; import org.litesoft.ui.def.*; import org.litesoft.ui.def.nonpublic.support.*; import org.litesoft.ui.support.*; import org.litesoft.ui_1_5.*; public abstract class AbstractFormServicePeer implements FormServicePeer, ServerStateChangedListener, FSPTypeHelperBackDoor { public static final String ERR_COMMIT_FAILED = "CommitFailed"; public static final String ERR_COMMIT_OUT_OF_DATE_DATA = "OutOfDateDataCausedCommitFailure"; private final MillisecTimeSource mMillisecTimeSource = MillisecTimeSource.INSTANCE; protected volatile PushInterface mPushInterface = null; protected ISystemUserResolver mSystemUserResolver = ISystemUserResolver.NULL; protected Serializable mInitializationPayload; protected volatile boolean mIsNewRootObject; private volatile boolean mDisposed = false; private final TypeHelperManager mTypeHelperManager = new TypeHelperManager(); private final InstanceHelperManager mInstanceHelperManager = new InstanceHelperManager(); private final FormInteractionHelper mInteractionHelper = new FormInteractionHelper(); private ServicePeerToFormDataProxy mCollectorProxy = new ServicePeerToFormDataProxy(); public ServicePeerToFormDataProxy getCollectorProxy() { return mCollectorProxy; } protected void rootObjectCommited() { FormInteractionStructure zFIS = mInteractionHelper.rootObjectCommited(); if ( zFIS != null ) { publish( zFIS, ServerStateChange.Action.UPDATED ); } } private void handle( FormInteractionChange pChange ) { if ( pChange != null ) { FormInteractionStructure zOldData = pChange.getOldData(); FormInteractionStructure zNewData = pChange.getNewData(); if ( zOldData.isPublishable() ) { // todo: Need Instance of: ChangeListenerManager.removeListener( this ); publish( zOldData, ServerStateChange.Action.DELETED ); } if ( zNewData.isPublishable() ) { // todo: Need Instance of: ChangeListenerManager.addListener( this, "FSP:" + zNewData.getRootType(), (Serializable) zNewData.getRootObjectKey() ); publish( zNewData, ServerStateChange.Action.CREATED ); } getCollectorProxy().update( zOldData, zNewData ); } } protected void setOurData( FormInteractionStructure pNewData ) { handle( mInteractionHelper.setOurData( pNewData ) ); } private void publish( FormInteractionStructure pData, ServerStateChange.Action pAction ) { ServerStateChange zChange = new ServerStateChange( pAction, "FSP:" + pData.getRootType(), pData.getRootObjectKey(), null, pData ); Long zSourceUniqueID = pData.getUniqueFormServicePeerID(); ServerStateChangeSet zChangeSet = new ServerStateChangeSet( zSourceUniqueID, null, zChange ); // todo: Need Instance of: ChangeListenerManager.notifyAllListeners( zChangeSet ); } public void serverStateChanged( ServerStateChangeSet pServerStateChangeSet ) { // event order? FormInteractionIntersection zFII = mInteractionHelper.createFormInteractionIntersection( pServerStateChangeSet ); if ( zFII.getData().isPublishable() ) { if ( zFII.isNewOthers() ) { // New Others may not know about us, so we publish (again) publish( zFII.getData(), ServerStateChange.Action.CREATED ); } if ( zFII.isUpdateOthers() || zFII.isNewOthers() || zFII.isDelOthers() ) { getCollectorProxy().forceReturn(); mRunnable.runOnOrAfter( 2000 ); // 2 secs } } } private MyTimedRunnable mRunnable = new MyTimedRunnable(); private class MyTimedRunnable implements TimedRunnable { private Long mSendWhen = null; public synchronized void runOnOrAfter( int pSendIn ) { boolean zNotLaunched = (mSendWhen == null); long zSendWhen = mMillisecTimeSource.now() + pSendIn; mSendWhen = zSendWhen; if ( zNotLaunched ) { TimedRunnableManager.INSTANCE.runOnOrAfter( this, zSendWhen ); } } public Again runOnce() { synchronized ( this ) { if ( mSendWhen == null ) { return null; } if ( mMillisecTimeSource.now() < mSendWhen ) { return new RunAgainOnOrAfter( mSendWhen ); } mSendWhen = null; } sendUnsolicitedData(); return null; } } protected Long getUniqueFormID() { return mInteractionHelper.getOurUniqueFormServicePeerID(); } public SerializableSystemUserRef getSystemUserRef() { return mInteractionHelper.getOurSystemUserRef(); } protected String getRootType() { return mInteractionHelper.getOurRootType(); } protected String getRootObjectKey() { return mInteractionHelper.getOurRootObjectKey(); } protected void setRootObjectKey( String pRootObjectKey ) { handle( mInteractionHelper.setRootObjectKey( pRootObjectKey ) ); } public TypeHelper getRootTypeHelper() { return mTypeHelperManager.getRootTypeHelper(); } public InstanceHelper getRootInstanceHelper() { return mInstanceHelperManager.getRootInstanceHelper(); } protected void setFullUpdate() { getCollectorProxy().setFullUpdate(); } protected void setCloseRequested() { getCollectorProxy().setCloseRequested(); } protected void addWarning( String pWarningID, Object... pParameters ) { getCollectorProxy().addWarning( rootTypeResolveError( pWarningID, pParameters ) ); } protected void addError( String pErrorID, Object... pParameters ) { getCollectorProxy().addError( rootTypeResolveError( pErrorID, pParameters ) ); } protected boolean hasErrors() { return getCollectorProxy().hasErrors(); } protected void setSuccessfulTriggeringActionIDIfNotSet( String pSuccessfulTriggeringActionID ) { getCollectorProxy().setSuccessfulTriggeringActionIDIfNotSet( pSuccessfulTriggeringActionID ); } private String rootTypeResolveError( String pErrorID, Object... pParameters ) { TypeHelper zTypeHelper = getRootTypeHelper(); String resolved = (zTypeHelper != null) ? zTypeHelper.resolveError( pErrorID ) : pErrorID; return ExternalizationInterface.Helper.injectParameters( resolved, pParameters ); } private ExternalizationInterface getRootTypeExternalizationInterface() { TypeHelper zTypeHelper = getRootTypeHelper(); return (zTypeHelper != null) ? zTypeHelper.getExternalization() : null; } protected void sendUnsolicitedData() { PushInterface zPushInterface = mPushInterface; if ( zPushInterface != null ) { ServicePeerToFormData zData = getCollectorProxy().createReturnValueFromCollectorIfMatches( null, mInteractionHelper, getRootTypeExternalizationInterface() ); if ( zData != null ) { zPushInterface.sendUnsolicitedData( zData ); } } } // protects serializes FormServicePeer interface public synchronized final ServicePeerToFormCreationData initializeAndCreateFormMetaData( PushInterface pPushInterface, ISystemUserResolver pSystemUserResolver, Long pUniqueFormServicePeerID, ISystemUser pSystemUser, FormUsage pUsage, Serializable pInitializationPayload, ExternalizationInterface pExternalization, FormAccessControl pAccessControl ) { mPushInterface = pPushInterface; initializationPayloadAvailable( mInitializationPayload = pInitializationPayload ); String zRT = getRootTypeFromUsage( pUsage ); mSystemUserResolver = (pSystemUserResolver != null) ? pSystemUserResolver : ISystemUserResolver.NULL; handle( mInteractionHelper.setOurData( new FormInteractionStructure( pUniqueFormServicePeerID, pSystemUser, zRT ) ) ); LOGGER.trace.log( zRT, "-initializeAndCreateFormMetaData:", getUniqueFormID(), " for ", pSystemUser ); TypeHelper zRootTypeHelper = createTypeHelper( this, augment( pExternalization ), pAccessControl, null, zRT, pUsage ); mTypeHelperManager.setRootTypeHelper( zRootTypeHelper ); mInstanceHelperManager.setRootInstanceHelper( createRootInstanceHelper( zRootTypeHelper ) ); FormMetaData zMetaData = zRootTypeHelper.initializeAndCreateFormMetaData( pUsage ); return new ServicePeerToFormCreationData( zMetaData, getFormRenderedServicePeerXtra() ); } protected String getRootTypeFromUsage( FormUsage pUsage ) { return pUsage.getRootType(); } public void add( TypeHelper pTypeHelper ) { mTypeHelperManager.add( pTypeHelper ); } public void add( InstanceHelper pInstanceHelper ) { mInstanceHelperManager.add( pInstanceHelper ); } public void removeInstanceHelper( FormDataRowKey pFormDataRowKey ) { mInstanceHelperManager.remove( pFormDataRowKey ); } public final boolean isDisposed() { return mDisposed; } // protects serializes FormServicePeer interface public synchronized final void dispose() { if ( !mDisposed ) { mDisposed = true; try { LLdispose(); } catch ( RuntimeException e ) { LOGGER.error.log( e ); } mInstanceHelperManager.dispose(); mTypeHelperManager.dispose(); handle( mInteractionHelper.setOurData( null ) ); mPushInterface = null; mInitializationPayload = null; } } // protects serializes FormServicePeer interface public synchronized final ServicePeerToFormData setRootObjectTo( Integer pAsyncMessageNumber, String pKey ) { LOGGER.trace.log( getRootType(), "-setRootObjectTo, key:", pKey ); getCollectorProxy().setCallFromClientForm( pAsyncMessageNumber ); mInstanceHelperManager.resetAllInstanceHelpers(); LLsetRootObjectTo( pKey ); mInstanceHelperManager.loadAllAttributeValues(); return getCollectorProxy().createReturnValueFromCollectorIfMatches( pAsyncMessageNumber, mInteractionHelper, getRootTypeExternalizationInterface() ); } // protects serializes FormServicePeer interface public synchronized final AttributeResourceOptionsResponseData getResourceOptions( AttributeResourceOptionsRequestData pRequest ) { return getResourceOptions( pRequest.getFormDataRowKey(), pRequest.getUniqueID(), pRequest.getAttributeReference() ); } // protects serializes FormServicePeer interface public synchronized final ServicePeerToFormData formEvent( FormToServicePeerData pToServicePeerData ) { Objects.assertNotNull( "ToServicePeerData", pToServicePeerData ); Integer zAsyncMessageNumber = pToServicePeerData.getAsyncMessageNumber(); getCollectorProxy().setCallFromClientForm( zAsyncMessageNumber ); ValueUpdatedFormData[] zValueUpdates = pToServicePeerData.getAttributeUpdates(); if ( zValueUpdates != null ) { for ( ValueUpdatedFormData update : zValueUpdates ) { processValueUpdated( update.getFormDataRowKey(), // update.getUniqueID(), update.getAttributeReference(), update.getCurrentValue() ); } } ActionRequestFormData action = pToServicePeerData.getActionRequest(); if ( action != null ) { processActionRequest( action.getFormDataRowKey(), action.getActionID(), action.isInputAction(), action.getParentFormDataRowKey() ); } return getCollectorProxy().createReturnValueFromCollectorIfMatches( zAsyncMessageNumber, mInteractionHelper, getRootTypeExternalizationInterface() ); } protected AttributeResourceOptionsResponseData getResourceOptions( FormDataRowKey pFormDataRowKey, Integer pUniqueID, String pAttributeReference ) { InstanceHelper zInstanceHelper = getInstanceHelper( pFormDataRowKey ); if ( (zInstanceHelper != null) ) { AMDconverterPair changingPair = zInstanceHelper.findAttribute( pUniqueID ); if ( changingPair != null ) { return zInstanceHelper.getTypeHelper().getResourceOptions( pAttributeReference, changingPair.getDataConverter() ); } } return new AttributeResourceOptionsResponseData( ResourceOptionsErrorType.ErrorReferenceNotFound ); } private void processValueUpdated( FormDataRowKey pFormDataRowKey, // Integer pUniqueID, String pAttributeReference, // Serializable pNewValue ) { //System.out.println( getRootType() + "-valueUpdated on (" + pFormDataRowKey + ") '" + // pAttributeReference + "' to '" + pNewValue + "' type:" + // ((pNewValue != null) ? pNewValue.getClass() : null) ); // LOGGER.trace.log( getRootType(), "-valueUpdated on (", pFormDataRowKey, ") '", pAttributeReference, "' to '", pNewValue, "' type:", ((pNewValue != null) ? pNewValue.getClass() : null) ); String zResolvedError = null; AMDconverterPair changingPair = null; boolean handled = false; try { handled = LLrawValueUpdated( pFormDataRowKey, pAttributeReference, pNewValue ); } catch ( IllegalArgumentException e ) { addError( ERR_ILLEGAL_VALUE, "LLrawValueUpdated", e.getMessage() ); } catch ( RuntimeException e ) { addError( ERR_UNEXPECTED, "LLrawValueUpdated", e.getMessage() ); } if ( !handled && !hasErrors() ) { InstanceHelper zInstanceHelper = getInstanceHelper( pFormDataRowKey ); if ( zInstanceHelper == null ) { addError( ERR_ATTR_NOT_FOUND ); } else if ( (null == (changingPair = zInstanceHelper.findAttribute( pUniqueID ))) ) { addError( ERR_ATTR_NOT_FOUND ); } else { Object zValueForAttribute = null; try { zValueForAttribute = changingPair.getDataConverter().convertFromPassable( pNewValue ); } catch ( IllegalArgumentException e ) { zResolvedError = rootTypeResolveError( ERR_ILLEGAL_VALUE, "Converted", e.getMessage() ); } catch ( RuntimeException e ) { zResolvedError = rootTypeResolveError( ERR_UNEXPECTED, "Converted", e.getMessage() ); } if ( zResolvedError == null ) { try { if ( !(handled = LLvalueUpdated( zInstanceHelper, pAttributeReference, zValueForAttribute )) ) { zResolvedError = rootTypeResolveError( ERR_VALUE_UPDATE_NOT_HANDLED ); } } catch ( IllegalArgumentException e ) { zResolvedError = rootTypeResolveError( ERR_ILLEGAL_VALUE, "Update", e.getMessage() ); } catch ( NoSuchElementException e ) { zResolvedError = rootTypeResolveError( ERR_ATTR_NOT_FOUND, "Update", e.getMessage() ); } catch ( RuntimeException e ) { zResolvedError = rootTypeResolveError( ERR_UNEXPECTED, "Update", e.getMessage() ); } } } } if ( handled || (zResolvedError != null) ) { checkForChanges( changingPair, pNewValue, zResolvedError ); } } protected boolean LLvalueUpdated( InstanceHelper pInstanceHelper, String pAttributeReference, Object pValueForAttribute ) { return pInstanceHelper.valueUpdated( pAttributeReference, pValueForAttribute ); } private void processActionRequest( FormDataRowKey pFormDataRowKey, String pActionID, boolean pInputAction, FormDataRowKey pParentFormDataRowKey ) { LOGGER.trace.log( getRootType(), "-actionRequest, ", (pInputAction ? "Input" : "Reg"), " action:", pActionID ); if ( actionRequest( pFormDataRowKey, pActionID, pInputAction, pParentFormDataRowKey ) ) { checkForChanges( null, null, null ); } else if ( !pInputAction ) { addError( ERR_UNKNOWN_ACTION ); } if ( !hasErrors() ) { setSuccessfulTriggeringActionIDIfNotSet( pActionID ); } } protected void checkForChanges( AMDconverterPair pChangingPair, Serializable pNewValue, String pResolvedError ) { // Snag a list to avoid Concurrent Changes InstanceHelpersSnapShot zSnapShot = mInstanceHelperManager.getInstanceHelpers(); InstanceHelper zRootHelper = zSnapShot.getRootInstanceHelper(); zRootHelper.checkForChanges( pChangingPair, pNewValue, pResolvedError ); for ( InstanceHelper helper : zSnapShot.getAllInstanceHelpers() ) { if ( helper != zRootHelper ) { helper.checkForChanges( pChangingPair, pNewValue, pResolvedError ); } } } public boolean actionRequest( FormDataRowKey pFormDataRowKey, String pActionID, boolean pInputAction, FormDataRowKey pParentFormDataRowKey ) { if ( UiFormDef.ACTION_CLOSE.equals( pActionID ) ) { return actionClose( pActionID ); } if ( UiFormDef.ACTION_DONE.equals( pActionID ) ) { return actionDone( pActionID ); } if ( UiFormDef.ACTION_COMMIT.equals( pActionID ) ) { return actionCommit( pActionID ); } if ( UiFormDef.ACTION_RELOAD.equals( pActionID ) ) { return actionReload( pActionID ); } if ( UiFormDef.ACTION_NEW.equals( pActionID ) ) { return actionNew( pActionID ); } InstanceHelper zInstanceHelper = getInstanceHelper( pFormDataRowKey ); if ( zInstanceHelper != null ) { return zInstanceHelper.actionRequest( pActionID, pInputAction ); } TypeHelper zTypeHelper = getTypeHelper( pFormDataRowKey ); return (zTypeHelper != null) && // zTypeHelper.actionRequest( pActionID, pInputAction, getInstanceHelper( pParentFormDataRowKey ) ); } public ArrayList<FormDataRowKey> getAllCurrentFormDataRowKeys() { return mInstanceHelperManager.getAllCurrentFormDataRowKeys(); } public InstanceHelper getInstanceHelper( FormDataRowKey pFormDataRowKey ) { return mInstanceHelperManager.getInstanceHelper( pFormDataRowKey ); // null == Root } private TypeHelper getTypeHelper( FormDataRowKey pFormDataRowKey ) { return mTypeHelperManager.getTypeHelper( pFormDataRowKey ); // null == root } /** * @return true to indicate processing satisfied */ protected boolean actionClose( String pSuccessfulTriggeringActionID ) { setCloseRequested(); return true; } /** * Abandon any existing Root Object and create a new one * * @return true to indicate processing satisfied */ protected boolean actionNew( String pSuccessfulTriggeringActionID ) { createNewRootObject(); return initializeUpdates( pSuccessfulTriggeringActionID ); } /** * Save current (mutated?) state of our backing Root Object and if successful * prepare the Root Object for future editing. * * @return true to indicate processing satisfied */ protected boolean actionCommit( String pSuccessfulTriggeringActionID ) { commit(); return hasErrors() || initializeUpdates( pSuccessfulTriggeringActionID ); } /** * Save current (mutated?) state of our backing Root Object and if successful * request Close, and just in case Form is not closed then * prepare the Root Object for future editing. * * @return true to indicate processing satisfied */ protected boolean actionDone( String pSuccessfulTriggeringActionID ) { commit(); if ( hasErrors() ) { return true; } setCloseRequested(); return initializeUpdates( pSuccessfulTriggeringActionID ); } /** * Refresh the current Root Object with the latest version from its source (eg database) * (or a fresh new one if it was new and never committed) * * @return true to indicate processing satisfied */ public boolean actionReload( String pSuccessfulTriggeringActionID ) { if ( !hasRootObject() ) { return true; } if ( mIsNewRootObject ) { createNewRootObject(); } else { reloadExistingRootObject(); } return initializeUpdates( pSuccessfulTriggeringActionID ); } protected boolean initializeUpdates( String pSuccessfulTriggeringActionID ) { if ( hasRootObject() ) { setFullUpdate(); setSuccessfulTriggeringActionIDIfNotSet( pSuccessfulTriggeringActionID ); mInstanceHelperManager.resetAllInstanceHelpers(); mInstanceHelperManager.loadAllAttributeValues(); } return true; } protected void commit() { if ( hasRootObject() ) { try { LLcommit(); // commit what we've got } catch ( ConcurrentModificationException e ) { addError( ERR_COMMIT_OUT_OF_DATE_DATA ); return; } catch ( RuntimeException e ) { LOGGER.warn.log( e, "Attempt to commit backing Root Object failed" ); if ( e instanceof DisplayableException ) { DisplayableException zDE = (DisplayableException) e; String zParam = rootTypeResolveError( zDE.getToResolveIdentifier(), // (Object[]) zDE.getParams() ); addError( ERR_COMMIT_FAILED, zParam ); } else { addError( ERR_COMMIT_FAILED ); } return; } rootObjectCommited(); } } protected void createNewRootObject() { mIsNewRootObject = true; String zRootObjectKey = LLnewRootObject(); setRootObjectKey( zRootObjectKey ); } protected void reloadExistingRootObject() { mIsNewRootObject = false; LLreloadExistingRootObject(); mInteractionHelper.clearUpdatedData(); } protected void loadExistingRootObject( String pNewRootObjectKey ) { mIsNewRootObject = false; if ( LLloadExistingRootObject( pNewRootObjectKey ) ) { setRootObjectKey( pNewRootObjectKey ); } } /** * Either load the appropriate Root Object based on pKey, or create one if pKey was null */ protected void LLsetRootObjectTo( String pKey ) { if ( pKey == null ) { createNewRootObject(); } else { loadExistingRootObject( pKey ); } } protected void LLdispose() { } /** * @return true to indicate processing satisfied */ protected boolean LLrawValueUpdated( FormDataRowKey pFormDataRowKey, String pAttributeReference, Serializable pNewValue ) { return false; } protected void initializationPayloadAvailable( Serializable pInitializationPayload ) { } protected ExternalizationInterface augment( ExternalizationInterface pExternalizationInterface ) { return pExternalizationInterface; } protected InterceptingProxyExternalization proxy( ExternalizationInterface pExternalizationInterface ) { return new InterceptingProxyExternalization( pExternalizationInterface ); } protected Serializable getFormRenderedServicePeerXtra() { return null; } abstract protected void LLcommit(); abstract protected boolean hasRootObject(); /** * @return new Root Objects Key */ abstract protected String LLnewRootObject(); /** * @return true if succeeded */ abstract protected boolean LLreloadExistingRootObject(); /** * @return true if succeeded */ abstract protected boolean LLloadExistingRootObject( String pNewRootObjectKey ); } |
Commits for litesoft/trunk/Java/GWT/OldServer/src/org/litesoft/GWT/forms/server/support/nonpublic/AbstractFormServicePeer.java
Revision | Author | Commited | Message |
---|---|---|---|
947 Diff | GeorgeS | Fri 06 Jun, 2014 23:36:56 +0000 | Correct Spelling of package! |
942 Diff | GeorgeS | Mon 02 Jun, 2014 23:41:46 +0000 | Extracting commonfoundation |
939 Diff | GeorgeS | Mon 02 Jun, 2014 21:30:31 +0000 | Extracting commonfoundation |
858 Diff | GeorgeS | Sun 04 Nov, 2012 18:40:40 +0000 | |
804 Diff | GeorgeS | Wed 15 Aug, 2012 12:48:51 +0000 | |
610 Diff | GeorgeS | Mon 12 Mar, 2012 00:54:00 +0000 | |
60 Diff | GeorgeS | Tue 24 Aug, 2010 00:37:36 +0000 | |
49 Diff | GeorgeS | Mon 12 Apr, 2010 02:59:10 +0000 | License Text |
2 | GeorgeS | Sun 07 Feb, 2010 12:50:58 +0000 |