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

Package com.amazonaws.services.dynamodb.model

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

com.amazonaws.services.dynamodb.model.Key

The primary key that uniquely identifies each item in a table. A primary key can be a one attribute (hash) primary key or a two attribute (hash-and-range) primary key.

            }
            rangeKeyElement = getRangeKeyElement(rangeKey, rangeKeyMethod);
        }


        GetItemResult item = db.getItem(applyUserAgent(new GetItemRequest().withTableName(tableName)
                .withKey(new Key().withHashKeyElement(hashKeyElement).withRangeKeyElement(rangeKeyElement))
                .withConsistentRead(config.getConsistentReads() == ConsistentReads.CONSISTENT)));
        Map<String, AttributeValue> itemAttributes = item.getItem();
        if ( itemAttributes == null ) {
            return null;
        }

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        Method rangeKeyGetter = reflector.getRangeKeyGetter(clazz);
        if ( rangeKeyGetter != null ) {
            rangeKeyElement = getRangeKeyElement(safeInvoke(rangeKeyGetter, object), rangeKeyGetter);
        }


        Key objectKey = new Key().withHashKeyElement(hashKeyElement).withRangeKeyElement(rangeKeyElement);


        Map<String, AttributeValueUpdate> updateValues = new HashMap<String, AttributeValueUpdate>();
        Map<String, ExpectedAttributeValue> expectedValues = new HashMap<String, ExpectedAttributeValue>();


        boolean forcePut = config.getSaveBehavior() == SaveBehavior.CLOBBER;

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        Method rangeKeyGetter = reflector.getRangeKeyGetter(clazz);
        if ( rangeKeyGetter != null ) {
            rangeKeyElement = getRangeKeyElement(safeInvoke(rangeKeyGetter, object), rangeKeyGetter);
        }


        Key objectKey = new Key().withHashKeyElement(hashKeyElement).withRangeKeyElement(rangeKeyElement);


        /*
         * If there is a version field, make sure we assert its value. If the
         * version field is null (only should happen in unusual circumstances),
         * pretend it doesn't have a version field after all.

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            Method rangeKeyGetter = reflector.getRangeKeyGetter(clazz);
            if ( rangeKeyGetter != null ) {
                rangeKeyElement = getRangeKeyElement(safeInvoke(rangeKeyGetter, toDelete), rangeKeyGetter);
            }


            Key objectKey = new Key().withHashKeyElement(hashKeyElement).withRangeKeyElement(rangeKeyElement);


            if ( !requestItems.containsKey(tableName) ) {
                requestItems.put(tableName, new LinkedList<WriteRequest>());
            }

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                                    new KeysAndAttributes().withConsistentRead(consistentReads).withKeys(
                                            new LinkedList<Key>()));
                }


                requestItems.get(tableName).getKeys()
                        .add(new Key().withHashKeyElement(hashKeyElement).withRangeKeyElement(rangeKeyElement));


                // Reach the maximum number which can be handled in a single
                // batchGet
                if ( ++count == 100 ) {
                    processBatchGetRequest(classesByTableName, requestItems, resultSet);

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            throw new IllegalArgumentException("Id cannot be null.");


        Field       idField = jsoda.getIdField(modelName);
        Field       rangeField = jsoda.getRangeField(modelName);
        if (rangeField == null)
            return new Key(valueToAttr(idField, id));
        else {
            if (rangeKey == null)
                throw new IllegalArgumentException("Missing range key for the composite primary key (id,rangekey) of " + modelName);
            return new Key(valueToAttr(idField, id), valueToAttr(rangeField, rangeKey));
        }
    }

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            result.add(extractResult(gres.getItem()));
        }


        int count = 1; // startKey is done, rest to go.


        Key startKey = createPrimaryKey(startkey);
        ScanRequest req = new ScanRequest(table);
        req.setAttributesToGet(fields);
        while (count < recordcount) {
            req.setExclusiveStartKey(startKey);
            req.setLimit(recordcount - count);

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        }
        return rItems;
    }


    private static Key createPrimaryKey(String key) {
        Key k = new Key().withHashKeyElement(new AttributeValue().withS(key));
        return k;
    }

View Full Code Here

            }
            rangeKeyElement = getRangeKeyElement(rangeKey, rangeKeyMethod);
        }


        GetItemResult item = db.getItem(applyUserAgent(new GetItemRequest().withTableName(tableName)
                .withKey(new Key().withHashKeyElement(hashKeyElement).withRangeKeyElement(rangeKeyElement))
                .withConsistentRead(config.getConsistentReads() == ConsistentReads.CONSISTENT)));
        Map<String, AttributeValue> itemAttributes = item.getItem();
        if ( itemAttributes == null ) {
            return null;
        }

View Full Code Here

        Method rangeKeyGetter = reflector.getRangeKeyGetter(clazz);
        if ( rangeKeyGetter != null ) {
            rangeKeyElement = getRangeKeyElement(safeInvoke(rangeKeyGetter, object), rangeKeyGetter);
        }


        Key objectKey = new Key().withHashKeyElement(hashKeyElement).withRangeKeyElement(rangeKeyElement);


        Map<String, AttributeValueUpdate> updateValues = new HashMap<String, AttributeValueUpdate>();
        Map<String, ExpectedAttributeValue> expectedValues = new HashMap<String, ExpectedAttributeValue>();


        boolean forcePut = config.getSaveBehavior() == SaveBehavior.CLOBBER;

View Full Code Here

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