Examples of com.amazonaws.services.dynamodbv2.datamodeling.PaginatedScanList

Package com.amazonaws.services.dynamodbv2.datamodeling

Examples of com.amazonaws.services.dynamodbv2.datamodeling.PaginatedScanList

com.amazonaws.services.dynamodbv2.model.PutItemRequest
Implementation of the List interface that represents the results from a scan in AWS DynamoDB. Paginated results are loaded on demand when the user executes an operation that requires them. Some operations, such as size(), must fetch the entire list, but results are lazily fetched page by page when possible.
This is an unmodifiable list, so callers should not invoke any operations that modify this list, otherwise they will throw an UnsupportedOperationException. @param < T> The type of objects held in this list. @see PaginatedList


                if ( reflector.isVersionAttributeGetter(method) ) {
                    Object getterResult = safeInvoke(method, object);
                    String attributeName = reflector.getAttributeName(method);


                    ExpectedAttributeValue expected = new ExpectedAttributeValue();
                    AttributeValue currentValue = getSimpleAttributeValue(method, getterResult);
                    expected.setExists(currentValue != null);
                    if ( currentValue != null )
                        expected.setValue(currentValue);
                    expectedValues.put(attributeName, expected);
                    break;
                }
            }
        }

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        config = mergeConfig(config);


        String tableName = getTableName(clazz, config);


        GetItemRequest rq = new GetItemRequest();


        Map<String, AttributeValue> key = getKey(keyObject, clazz);


        rq.setKey(key);
        rq.setTableName(tableName);
        rq.setConsistentRead(config.getConsistentReads() == ConsistentReads.CONSISTENT);




        GetItemResult item = db.getItem(applyUserAgent(rq));
        Map<String, AttributeValue> itemAttributes = item.getItem();
        if ( itemAttributes == null ) {

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        config = mergeConfig(config);


        String tableName = getTableName(clazz, config);


        GetItemRequest rq = new GetItemRequest();


        Map<String, AttributeValue> key = getKey(keyObject, clazz);


        rq.setKey(key);
        rq.setTableName(tableName);
        rq.setConsistentRead(config.getConsistentReads() == ConsistentReads.CONSISTENT);




        GetItemResult item = db.getItem(applyUserAgent(rq));
        Map<String, AttributeValue> itemAttributes = item.getItem();
        if ( itemAttributes == null ) {

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        rq.setKey(key);
        rq.setTableName(tableName);
        rq.setConsistentRead(config.getConsistentReads() == ConsistentReads.CONSISTENT);




        GetItemResult item = db.getItem(applyUserAgent(rq));
        Map<String, AttributeValue> itemAttributes = item.getItem();
        if ( itemAttributes == null ) {
            return null;
        }


        T object = marshallIntoObject(clazz, itemAttributes);

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        rq.setKey(key);
        rq.setTableName(tableName);
        rq.setConsistentRead(config.getConsistentReads() == ConsistentReads.CONSISTENT);




        GetItemResult item = db.getItem(applyUserAgent(rq));
        Map<String, AttributeValue> itemAttributes = item.getItem();
        if ( itemAttributes == null ) {
            return null;
        }


        return marshallIntoObject(clazz, itemAttributes);

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            classesByTableName.put(tableName, clazz);


            if ( !requestItems.containsKey(tableName) ) {
                requestItems.put(
                        tableName,
                        new KeysAndAttributes().withConsistentRead(consistentReads).withKeys(
                                new LinkedList<Map<String, AttributeValue>>()));
            }


            requestItems.get(tableName).getKeys().add(getKey(keyObject));

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            classesByTableName.put(tableName, clazz);


            if ( !requestItems.containsKey(tableName) ) {
                requestItems.put(
                        tableName,
                        new KeysAndAttributes().withConsistentRead(consistentReads).withKeys(
                                new LinkedList<Map<String, AttributeValue>>()));
            }


            requestItems.get(tableName).getKeys().add(getKey(keyObject));

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                }


                @Override
                protected void executeLowLevelRequest(boolean onlyKeyAttributeSpecified) {
                    /* Send a putItem request */
                    db.putItem(applyUserAgent(new PutItemRequest().withTableName(getTableName())
                            .withItem(transformAttributes(this.clazz, convertToItem(getAttributeValueUpdates())))
                            .withExpected(getExpectedAttributeValues())));
                }
            };
        } else {

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            Object rangeGetterResult = safeInvoke(rangeKeyGetter, object);
            attributes.put(rangeKeyAttributeName, getSimpleAttributeValue(rangeKeyGetter, rangeGetterResult));
            expectedValues.put(rangeKeyAttributeName, new ExpectedAttributeValue().withExists(false));
        }
        attributes = transformAttributes(clazz, attributes);
        db.putItem(applyUserAgent(new PutItemRequest().withTableName(tableName).withItem(attributes)
                .withExpected(expectedValues)));
    }

View Full Code Here

                }


                @Override
                protected void executeLowLevelRequest(boolean onlyKeyAttributeSpecified) {
                    /* Send a putItem request */
                    db.putItem(applyUserAgent(new PutItemRequest().withTableName(getTableName())
                            .withItem(transformAttributes(this.clazz, convertToItem(getAttributeValueUpdates())))
                            .withExpected(getExpectedAttributeValues())));
                }
            };
        } else {

View Full Code Here

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