Package com.webobjects.eoaccess

Examples of com.webobjects.eoaccess.EOAdaptorChannel.openChannel()

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                   EOFetchSpecification gidFetchSpec = new EOFetchSpecification(entityName, gidQualifier, null);

                   NSMutableDictionary databaseSnapshotClone;
                   NSMutableDictionary memorySnapshotClone = snapshot.mutableClone();
                   EOAdaptorChannel channel = databaseContext.availableChannel().adaptorChannel();
                   channel.openChannel();
                   channel.selectAttributes(entity.attributesToFetch(), gidFetchSpec, false, entity);
                   try {
                     databaseSnapshotClone = channel.fetchRow().mutableClone();
                   }
                   finally {
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                     if (originalDestinationGIDs != null) {
                       NSMutableArray newDestinationGIDs = new NSMutableArray();
                       EOQualifier qualifier = relationship.qualifierWithSourceRow(database.snapshotForGlobalID(keyGID));
                       EOFetchSpecification relationshipFetchSpec = new EOFetchSpecification(entityName, qualifier, null);
                       EOAdaptorChannel channel = databaseContext.availableChannel().adaptorChannel();
                       channel.openChannel();
                       try {
                         channel.selectAttributes(relationship.destinationEntity().attributesToFetch(), relationshipFetchSpec, false, relationship.destinationEntity());
                         NSDictionary destinationSnapshot = null;
                         do {
                           destinationSnapshot = channel.fetchRow();
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    public static <T> T executeAdaptorChannelOperation(final EODatabaseContext databaseContext, final int maxAttempts, final AdaptorChannelOperation<T> operation) {
      return ERXEOAccessUtilities.executeDatabaseContextOperation(databaseContext, maxAttempts, new DatabaseContextOperation<T>() {
        public T execute(EODatabaseContext databaseContext) throws Exception {
              EOAdaptorChannel adaptorChannel = databaseContext.availableChannel().adaptorChannel();
              if (!adaptorChannel.isOpen()) {
                  adaptorChannel.openChannel();
              }
          return operation.execute(databaseContext, adaptorChannel);
        }
      });
    }
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