Package com.amazonaws.services.dynamodbv2.model

Examples of com.amazonaws.services.dynamodbv2.model.BatchWriteItemRequest


        Map<String, Condition> conditions = new HashMap<String, Condition>();
        for ( Method getter : reflector.getKeyGetters(obj.getClass()) ) {
            if ( getter.isAnnotationPresent(DynamoDBHashKey.class) ) {
                conditions.put(
                        reflector.getAttributeName(getter),
                        new Condition().withComparisonOperator(ComparisonOperator.EQ).withAttributeValueList(
                                getSimpleAttributeValue(getter, safeInvoke(getter, obj, (Object[])null))));
            }
        }
        return conditions;
    }
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                    break;
                }
            }
        }

        db.deleteItem(applyUserAgent(new DeleteItemRequest().withKey(key).withTableName(tableName).withExpected(expectedValues)));
    }
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            if ( !requestItems.containsKey(tableName) ) {
                requestItems.put(tableName, new LinkedList<WriteRequest>());
            }

            requestItems.get(tableName).add(
                    new WriteRequest().withDeleteRequest(new DeleteRequest().withKey(key)));
        }

        // Break into chunks of 25 items and make service requests to DynamoDB
        while ( !requestItems.isEmpty() ) {
            HashMap<String, List<WriteRequest>> batch = new HashMap<String, List<WriteRequest>>();
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        Map<String, ExpectedAttributeValue> expectedValues = new HashMap<String, ExpectedAttributeValue>();

        String hashKeyAttributeName = reflector.getAttributeName(hashKeyGetter);
        Object hashGetterResult = safeInvoke(hashKeyGetter, object);
        attributes.put(hashKeyAttributeName, getSimpleAttributeValue(hashKeyGetter, hashGetterResult));
        expectedValues.put(hashKeyAttributeName, new ExpectedAttributeValue().withExists(false));

        if (rangeKeyGetter != null) {
            String rangeKeyAttributeName = reflector.getAttributeName(rangeKeyGetter);
            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)));
    }
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                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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            inMemoryUpdates.add(new ValueUpdate(method, newVersionValue, object));
           
            if ( getLocalSaveBehavior() != SaveBehavior.CLOBBER ) {
                // Add an expect clause to make sure that the item
                // doesn't already exist, since it's supposed to be new
                ExpectedAttributeValue expected = new ExpectedAttributeValue();
                expected.setExists(false);
                expectedValues.put(attributeName, expected);
            }
        }
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        private void onVersionAttribute(Method method, Object getterResult,
                String attributeName) {
            if ( getLocalSaveBehavior() != SaveBehavior.CLOBBER ) {
                // First establish the expected (current) value for the
                // update call
                ExpectedAttributeValue expected = new ExpectedAttributeValue();

                // For new objects, insist that the value doesn't exist.
                // For existing ones, insist it has the old value.
                AttributeValue currentValue = getSimpleAttributeValue(method, getterResult);
                expected.setExists(currentValue != null);
                if ( currentValue != null ) {
                    expected.setValue(currentValue);
                }
                expectedValues.put(attributeName, expected);
            }

            AttributeValue newVersionValue = getVersionAttributeValue(method, getterResult);
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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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