Examples of com.amazonaws.services.dynamodbv2.datamodeling.S3Link

Package com.amazonaws.services.dynamodbv2.datamodeling

Examples of com.amazonaws.services.dynamodbv2.datamodeling.S3Link

com.amazonaws.services.dynamodbv2.model.PutItemRequest
egion can be specified, but is optional S3Link s3link = mapper.createS3Link("my-company-user-avatars", username + ".jpg"); user.setAvatar(s3link); // All meta information of the S3 resource is persisted in DynamoDB, including // region, bucket, and key mapper.save(user); // Upload file to S3 with the link saved in DynamoDB s3link.uploadFrom(new File("/path/to/all/those/user/avatars/" + username + ".jpg")); // Download file from S3 via an S3Link s3link.downloadTo(new File("/path/to/downloads/" + username + ".jpg")); // Full S3 API is available via the canonical AmazonS3Client and TransferManager API. // For example: AmazonS3Client s3 = s3link.getAmazonS3Client(); TransferManager s3m = s3link.getTransferManager(); // etc. The User pojo class used above:
```
 @DynamoDBTable(tableName = "user-table") public class User { private String username; private S3Link avatar; @DynamoDBHashKey public String getUsername() { return username; } public void setUsername(String username) { this.username = username; } public S3Link getAvatar() { return avatar; } public void setAvatar(S3Link avatar) { this.avatar = avatar; } } 
```


                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));

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 {

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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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