Examples of org.apache.cayenne.access.util.IteratedSelectObserver

org.apache.cayenne.access.util.IteratedSelectObserver
OperationObserver that is used to track the execution of SelectQueries with results returned as ResultIterator.

     * @since 1.2
     */
    ResultIterator internalPerformIteratedQuery(Query query) throws CayenneException {
        // note that for now DataChannel API does not support cursors (aka
        // ResultIterator), so we have to go directly to the DataDomain.
        IteratedSelectObserver observer = new IteratedSelectObserver();
        getParentDataDomain().performQueries(Collections.singletonList(query), observer);
        return observer.getResultIterator();
    }

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     * @since 1.2
     */
    ResultIterator internalPerformIteratedQuery(Query query) throws CayenneException {
        // note that for now DataChannel API does not support cursors (aka
        // ResultIterator), so we have to go directly to the DataDomain.
        IteratedSelectObserver observer = new IteratedSelectObserver();
        getParentDataDomain().performQueries(Collections.singletonList(query), observer);
        return observer.getResultIterator();
    }

View Full Code Here

     * @since 1.2
     */
    ResultIterator internalPerformIteratedQuery(Query query) throws CayenneException {
        // note that for now DataChannel API does not support cursors (aka
        // ResultIterator), so we have to go directly to the DataDomain.
        IteratedSelectObserver observer = new IteratedSelectObserver();
        getParentDataDomain().performQueries(Collections.singletonList(query), observer);
        return observer.getResultIterator();
    }

View Full Code Here

            return;
        }


        // Create an observer for to get the iterated result
        // instead of getting each table as a list
        IteratedSelectObserver observer = new IteratedSelectObserver();


        // Using QueryResult as observer for the data insert.
        // This allows to collect query statistics and pass it to the delegate.
        QueryResult insertObserver = new QueryResult();


        // process ordered list of entities one by one
        Iterator it = entities.iterator();
        while (it.hasNext()) {
            insertObserver.clear();


            DbEntity entity = (DbEntity) it.next();


            SelectQuery select = new SelectQuery(entity);
            select.setFetchingDataRows(true);


            // delegate is allowed to substitute query
            Query query = (delegate != null) ? delegate.willPortEntity(
                    this,
                    entity,
                    select) : select;


            sourceNode.performQueries(Collections.singletonList(query), observer);
            ResultIterator result = observer.getResultIterator();
            InsertBatchQuery insert = new InsertBatchQuery(entity, INSERT_BATCH_SIZE);


            try {


                // Split insertions into the same table into batches.

View Full Code Here

     * @since 1.2
     */
    ResultIterator internalPerformIteratedQuery(Query query) throws CayenneException {
        // note that for now DataChannel API does not support cursors (aka
        // ResultIterator), so we have to go directly to the DataDomain.
        IteratedSelectObserver observer = new IteratedSelectObserver();
        getParentDataDomain().performQueries(Collections.singletonList(query), observer);
        return observer.getResultIterator();
    }

View Full Code Here

            return;
        }


        // Create an observer for to get the iterated result
        // instead of getting each table as a list
        IteratedSelectObserver observer = new IteratedSelectObserver();


        // Using QueryResult as observer for the data insert.
        // This allows to collect query statistics and pass it to the delegate.
        QueryResult insertObserver = new QueryResult();


        // process ordered list of entities one by one
        Iterator it = entities.iterator();
        while (it.hasNext()) {
            insertObserver.clear();


            DbEntity entity = (DbEntity) it.next();


            SelectQuery select = new SelectQuery(entity);
            select.setFetchingDataRows(true);


            // delegate is allowed to substitute query
            Query query = (delegate != null) ? delegate.willPortEntity(
                    this,
                    entity,
                    select) : select;


            sourceNode.performQueries(Collections.singletonList(query), observer);
            ResultIterator result = observer.getResultIterator();
            InsertBatchQuery insert = new InsertBatchQuery(entity, INSERT_BATCH_SIZE);


            try {


                // Split insertions into the same table into batches.

View Full Code Here

     * @since 1.2
     */
    ResultIterator internalPerformIteratedQuery(Query query) throws CayenneException {
        // note that for now DataChannel API does not support cursors (aka
        // ResultIterator), so we have to go directly to the DataDomain.
        IteratedSelectObserver observer = new IteratedSelectObserver();
        getParentDataDomain().performQueries(Collections.singletonList(query), observer);
        return observer.getResultIterator();
    }

View Full Code Here

            return;
        }


        // Create an observer for to get the iterated result
        // instead of getting each table as a list
        IteratedSelectObserver observer = new IteratedSelectObserver();


        // Using QueryResult as observer for the data insert.
        // This allows to collect query statistics and pass it to the delegate.
        QueryResult insertObserver = new QueryResult();


        // process ordered list of entities one by one
        Iterator it = entities.iterator();
        while (it.hasNext()) {
            insertObserver.clear();


            DbEntity entity = (DbEntity) it.next();


            SelectQuery select = new SelectQuery(entity);
            select.setFetchingDataRows(true);


            // delegate is allowed to substitute query
            Query query = (delegate != null) ? delegate.willPortEntity(
                    this,
                    entity,
                    select) : select;


            sourceNode.performQueries(Collections.singletonList(query), observer);
            ResultIterator result = observer.getResultIterator();
            InsertBatchQuery insert = new InsertBatchQuery(entity, INSERT_BATCH_SIZE);


            try {


                // Split insertions into the same table into batches.

View Full Code Here

     * @since 1.2
     */
    ResultIterator internalPerformIteratedQuery(Query query) throws CayenneException {
        // note that for now DataChannel API does not support cursors (aka
        // ResultIterator), so we have to go directly to the DataDomain.
        IteratedSelectObserver observer = new IteratedSelectObserver();
        getParentDataDomain().performQueries(Collections.singletonList(query), observer);
        return observer.getResultIterator();
    }

View Full Code Here

            return;
        }


        // Create an observer for to get the iterated result
        // instead of getting each table as a list
        IteratedSelectObserver observer = new IteratedSelectObserver();


        // Using QueryResult as observer for the data insert.
        // This allows to collect query statistics and pass it to the delegate.
        QueryResult insertObserver = new QueryResult();


        // process ordered list of entities one by one
        Iterator it = entities.iterator();
        while (it.hasNext()) {
            insertObserver.clear();


            DbEntity entity = (DbEntity) it.next();


            SelectQuery select = new SelectQuery(entity);
            select.setFetchingDataRows(true);


            // delegate is allowed to substitute query
            Query query = (delegate != null) ? delegate.willPortEntity(
                    this,
                    entity,
                    select) : select;


            sourceNode.performQueries(Collections.singletonList(query), observer);
            ResultIterator result = observer.getResultIterator();
            InsertBatchQuery insert = new InsertBatchQuery(entity, INSERT_BATCH_SIZE);


            try {


                // Split insertions into the same table into batches.

View Full Code Here

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