Example usage for com.amazonaws.services.dynamodbv2.model PutRequest PutRequest

Introduction

In this page you can find the example usage for com.amazonaws.services.dynamodbv2.model PutRequest PutRequest.

Prototype

public PutRequest(java.util.Map<String, AttributeValue> item) 

Source Link

Document

Constructs a new PutRequest object.

Usage

From source file:com.dell.doradus.db.s3.DynamoDBService2.java

License:Apache License

public void commit(DBTransaction dbTran) {
    Timer t = new Timer();
    List<WriteRequest> list = new ArrayList<>();

    for (ColumnUpdate mutation : dbTran.getColumnUpdates()) {
        Map<String, AttributeValue> item = getPrimaryKey(mutation.getStoreName() + "_" + mutation.getRowKey(),
                mutation.getColumn().getName());
        byte[] value = mutation.getColumn().getRawValue();
        if (value.length == 0)
            value = EMPTY_VALUE;/*w ww .  j  a  va  2 s  . c  o  m*/
        item.put("value", new AttributeValue().withB(ByteBuffer.wrap(value)));
        list.add(new WriteRequest().withPutRequest(new PutRequest(item)));

        if (list.size() >= 25) {
            commitPartial(list);
        }
    }

    for (ColumnDelete mutation : dbTran.getColumnDeletes()) {
        Map<String, AttributeValue> item = getPrimaryKey(mutation.getStoreName() + "_" + mutation.getRowKey(),
                mutation.getColumnName());
        list.add(new WriteRequest().withDeleteRequest(new DeleteRequest(item)));

        if (list.size() >= 25) {
            commitPartial(list);
        }

    }

    for (RowDelete mutation : dbTran.getRowDeletes()) {
        for (DColumn c : getColumnSlice(mutation.getStoreName(), mutation.getRowKey(), null, null)) {
            Map<String, AttributeValue> item = getPrimaryKey(
                    mutation.getStoreName() + "_" + mutation.getRowKey(), c.getName());
            list.add(new WriteRequest().withDeleteRequest(new DeleteRequest(item)));

            if (list.size() >= 25) {
                commitPartial(list);
            }

        }
    }

    if (list.size() > 0) {
        commitPartial(list);
    }

    m_logger.debug("Committed transaction to {} in {}", getTenant().getName(), t);
}

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From source file:mx.iteso.desi.cloud.keyvalue.DynamoDBStorage.java

License:Apache License

@Override
public void sync() {
    Map<String, List<WriteRequest>> requestItems = new HashMap<>();
    List<WriteRequest> requestList = new ArrayList<>();
    requestItems.put(dbName, requestList);

    for (int i = 0; i < attributes.size(); i++) {
        if (i % BATCH_SIZE == 0) {
            requestList.add(new WriteRequest(new PutRequest(attributes.get(i))));
            BatchWriteItemRequest bwir = new BatchWriteItemRequest(requestItems);
            System.out.println("Result: " + client.batchWriteItem(bwir));
            requestItems = new HashMap<>();
            requestList = new ArrayList<>();
            requestItems.put(dbName, requestList);
        } else {/*from  ww  w .  j  a v a 2 s  .  co  m*/
            requestList.add(new WriteRequest(new PutRequest(attributes.get(i))));
        }
    }
    if (requestList.size() > 0) {
        BatchWriteItemRequest bwir = new BatchWriteItemRequest(requestItems);
        System.out.println("Result: " + client.batchWriteItem(bwir));
        requestItems = new HashMap<>();
        requestList = new ArrayList<>();
        requestItems.put(dbName, requestList);
    }
}

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From source file:org.kairosdb.datastore.dynamodb.WriteBuffer.java

License:Apache License

public void addData(Map<String, AttributeValue> entry) {
    m_mutatorLock.lock();// w w  w. ja v  a 2 s  .c om
    try {
        waitOnBufferFull();
        m_bufferCount++;
        m_writeBuffer.add(new WriteRequest(new PutRequest(entry)));
    } finally {
        m_mutatorLock.unlock();
    }
}

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