Package com.amazonaws.services.dynamodb.model

Examples of com.amazonaws.services.dynamodb.model.ScanResult

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     *             DynamoDB.
     */
    public <T> List<T> scan(Class<T> clazz, DynamoDBScanExpression scanExpression) throws Exception {
        ScanRequest scanRequest = createScanRequestFromExpression(clazz, scanExpression);

        ScanResult scanResult = db.scan(scanRequest);
        int count = scanResult.getCount();

        // If the results are truncated, figure out the count
        if (scanResult.getLastEvaluatedKey() != null) {
            count = count(clazz, scanExpression);
        }

        return new PaginatedScanList<T>(this, clazz, db, count, scanRequest, scanResult);
    }
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        ScanRequest scanRequest = createScanRequestFromExpression(clazz, scanExpression);
        scanRequest.setCount(true);

        // Count scans can also be truncated for large datasets
        int count = 0;
        ScanResult scanResult = null;
        do {
            scanResult = db.scan(scanRequest);
            count += scanResult.getCount();
            scanRequest.setExclusiveStartKey(scanResult.getLastEvaluatedKey());
        } while (scanResult.getLastEvaluatedKey() != null);

        return count;
    }
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    public <T> PaginatedScanList<T> scan(Class<T> clazz, DynamoDBScanExpression scanExpression, DynamoDBMapperConfig config) {
        config = mergeConfig(config);

        ScanRequest scanRequest = createScanRequestFromExpression(clazz, scanExpression, config);

        ScanResult scanResult = db.scan(applyUserAgent(scanRequest));
        return new PaginatedScanList<T>(this, clazz, db, scanRequest, scanResult);
    }
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    public <T> ScanResultPage<T> scanPage(Class<T> clazz, DynamoDBScanExpression scanExpression, DynamoDBMapperConfig config) {
        config = mergeConfig(config);

        ScanRequest scanRequest = createScanRequestFromExpression(clazz, scanExpression, config);

        ScanResult scanResult = db.scan(applyUserAgent(scanRequest));
        ScanResultPage<T> result = new ScanResultPage<T>();
        result.setResults(marshallIntoObjects(clazz, scanResult.getItems()));
        result.setLastEvaluatedKey(scanResult.getLastEvaluatedKey());
       
        return result;
    }
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        ScanRequest scanRequest = createScanRequestFromExpression(clazz, scanExpression, config);
        scanRequest.setCount(true);

        // Count scans can also be truncated for large datasets
        int count = 0;
        ScanResult scanResult = null;
        do {
            scanResult = db.scan(applyUserAgent(scanRequest));
            count += scanResult.getCount();
            scanRequest.setExclusiveStartKey(scanResult.getLastEvaluatedKey());
        } while (scanResult.getLastEvaluatedKey() != null);

        return count;
    }
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                query.nextKey = result.getLastEvaluatedKey();
                items = result.getItems();
            } else {
                if (continueFromLastRun)
                    queryReq.setExclusiveStartKey((Key)query.nextKey);
                ScanResult  result = ddbClient.scan(scanReq);
                query.nextKey = result.getLastEvaluatedKey();
                items = result.getItems();
            }
            for (Map<String, AttributeValue> item : items) {
                T   obj = itemToObj(modelClass, item);
                resultObjs.add(obj);
            }
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        ScanRequest req = new ScanRequest(table);
        req.setAttributesToGet(fields);
        while (count < recordcount) {
            req.setExclusiveStartKey(startKey);
            req.setLimit(recordcount - count);
            ScanResult res = null;
            try {
                res = dynamoDB.scan(req);
            }catch (AmazonServiceException ex) {
                logger.error(ex.getMessage());
              ex.printStackTrace();
             return SERVER_ERROR;
            }catch (AmazonClientException ex){
                logger.error(ex.getMessage());
               ex.printStackTrace();
             return CLIENT_ERROR;
            }

            count += res.getCount();
            for (Map<String, AttributeValue> items : res.getItems()) {
                result.add(extractResult(items));
            }
            startKey = res.getLastEvaluatedKey();

        }

        return OK;
    }
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    public <T> PaginatedScanList<T> scan(Class<T> clazz, DynamoDBScanExpression scanExpression, DynamoDBMapperConfig config) {
        config = mergeConfig(config);

        ScanRequest scanRequest = createScanRequestFromExpression(clazz, scanExpression, config);

        ScanResult scanResult = db.scan(applyUserAgent(scanRequest));
        return new PaginatedScanList<T>(this, clazz, db, scanRequest, scanResult);
    }
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    public <T> ScanResultPage<T> scanPage(Class<T> clazz, DynamoDBScanExpression scanExpression, DynamoDBMapperConfig config) {
        config = mergeConfig(config);

        ScanRequest scanRequest = createScanRequestFromExpression(clazz, scanExpression, config);

        ScanResult scanResult = db.scan(applyUserAgent(scanRequest));
        ScanResultPage<T> result = new ScanResultPage<T>();
        result.setResults(marshallIntoObjects(clazz, scanResult.getItems()));
        result.setLastEvaluatedKey(scanResult.getLastEvaluatedKey());
       
        return result;
    }
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        ScanRequest scanRequest = createScanRequestFromExpression(clazz, scanExpression, config);
        scanRequest.setCount(true);

        // Count scans can also be truncated for large datasets
        int count = 0;
        ScanResult scanResult = null;
        do {
            scanResult = db.scan(applyUserAgent(scanRequest));
            count += scanResult.getCount();
            scanRequest.setExclusiveStartKey(scanResult.getLastEvaluatedKey());
        } while (scanResult.getLastEvaluatedKey() != null);

        return count;
    }
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