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

List of usage examples for com.amazonaws.services.dynamodbv2.model AttributeValueUpdate AttributeValueUpdate

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Introduction

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

Prototype

public AttributeValueUpdate()

Source Link

Document

Default constructor for AttributeValueUpdate object.

Usage

From source file:com.rapid7.diskstorage.dynamodb.builder.SingleUpdateBuilder.java

License:Open Source License

public SingleUpdateBuilder put(StaticBuffer column, StaticBuffer value) {
    updates.put(encodeKeyBuffer(column),
            new AttributeValueUpdate().withAction(AttributeAction.PUT).withValue(encodeValue(value)));
    return this;
}

From source file:com.rapid7.diskstorage.dynamodb.builder.SingleUpdateBuilder.java

License:Open Source License

public SingleUpdateBuilder delete(StaticBuffer column) {
    updates.put(encodeKeyBuffer(column), new AttributeValueUpdate().withAction(AttributeAction.DELETE));
    return this;
}

From source file:com.vitembp.embedded.configuration.CloudConfigSync.java

License:Open Source License

/**
 * Checks if the configuration has changed.
 *///from w w  w .j  a v a 2  s  .  c o m
private static void checkConfiguration() {
    // register the device if it is not in the table
    if (!CloudConfigSync.deviceRegistered) {
        try {
            CloudConfigSync.registerDevice();
        } catch (IOException ex) {
            // log the error
            LOGGER.error("Could not register device.", ex);
            // do not continue we cannot update config if it is not registered
            return;
        }
    }

    // check if configuration has changed
    boolean hasChanged;
    String remoteConfig;

    // perform query
    Map<String, AttributeValue> reqkey = new HashMap<>();
    reqkey.put("ID", new AttributeValue().withS(SystemConfig.getConfig().getSystemUUID().toString()));

    GetItemRequest request = new GetItemRequest().withTableName("DEVICES").withKey(reqkey)
            .withProjectionExpression("CONFIG,UPDATED");

    // try to get the data
    GetItemResult result = client.getItem(request);
    if (result != null && result.getItem() != null) {
        // parse data from response if the table has the attributes
        Map<String, AttributeValue> attributes = result.getItem();

        // can not continue if the UPDATED and CONFIG attributes are not
        // present in the table row
        if (!attributes.containsKey("UPDATED") || !attributes.containsKey("CONFIG")) {
            LOGGER.error("Configuration is not available in database.");
            return;
        }

        // attributes are present, get their values
        hasChanged = Boolean.parseBoolean(result.getItem().get("UPDATED").getS());
        remoteConfig = result.getItem().get("CONFIG").getS();
    } else {
        // query failed so do not continue
        LOGGER.error("Could not query configuration in databse.");
        return;
    }

    // update if tagged as changed, prefering the remote config over the local
    if (hasChanged) {
        try {
            loadConfigFromRemote(remoteConfig);
        } catch (XMLStreamException ex) {
            LOGGER.error("Could not update configuration.", ex);
            return;
        }

        // change updated to false
        Map<String, AttributeValue> keyAttribs = new HashMap<>();
        keyAttribs.put("ID", new AttributeValue().withS(SystemConfig.getConfig().getSystemUUID().toString()));
        Map<String, AttributeValueUpdate> updateAttribs = new HashMap<>();
        updateAttribs.put("UPDATED",
                new AttributeValueUpdate().withValue(new AttributeValue().withS(Boolean.toString(false)))
                        .withAction(AttributeAction.PUT));

        client.updateItem("DEVICES", keyAttribs, updateAttribs);
        LOGGER.info("Config updated flag set to false.");
    } else {
        // build local config to check if the local has changes not
        // in the remote config
        String localConfig;
        try {
            localConfig = SystemConfig.getConfig().writeToString();
        } catch (XMLStreamException ex) {
            LOGGER.error("Could not create configuration string.", ex);
            return;
        }

        // update remote as needed
        if (!remoteConfig.equals(localConfig)) {
            // updated configuration with local
            Map<String, AttributeValue> keyAttribs = new HashMap<>();
            keyAttribs.put("ID",
                    new AttributeValue().withS(SystemConfig.getConfig().getSystemUUID().toString()));
            Map<String, AttributeValueUpdate> updateAttribs = new HashMap<>();
            updateAttribs.put("CONFIG", new AttributeValueUpdate()
                    .withValue(new AttributeValue().withS(localConfig)).withAction(AttributeAction.PUT));

            client.updateItem("DEVICES", keyAttribs, updateAttribs);
            LOGGER.info("Remote config updated.");
        }
    }
}

From source file:com.vitembp.embedded.interfaces.AmazonSQSControl.java

License:Open Source License

/**
 * Deletes a value from the DATA table./*from  w w  w.j av a 2s. c om*/
 * @param location The location to delete in the table.
 * @param toWrite The data to write to the table row.
 * @throws IOException If an error occurs writing the data.
 */
private void writeData(UUID location, String toWrite) throws IOException {
    try {
        // build the request to put toWrite in VALUE at the ID location
        Map<String, AttributeValue> keyAttribs = new HashMap<>();
        keyAttribs.put("ID", new AttributeValue().withS(location.toString()));
        Map<String, AttributeValueUpdate> updateAttribs = new HashMap<>();
        updateAttribs.put("VALUE", new AttributeValueUpdate().withValue(new AttributeValue().withS(toWrite))
                .withAction(AttributeAction.PUT));

        // write the request to the DATA table
        client.updateItem("DATA", keyAttribs, updateAttribs);
    } catch (Exception ex) {
        throw new IOException(
                "Unexpected exception writing \"" + toWrite + "\" to location: " + location.toString(), ex);
    }
}

From source file:com.vivastream.security.oauth2.common.util.DynamoDBUtils.java

License:Apache License

public static void nullSafeUpdateS(Map<String, AttributeValueUpdate> updates, String column, String value) {
    if (value == null || value.length() == 0) {
        updates.put(column, new AttributeValueUpdate().withAction(AttributeAction.DELETE));
    } else {// w ww  .ja  v a2s. c o  m
        updates.put(column, new AttributeValueUpdate(new AttributeValue(value), AttributeAction.PUT));
    }
}

From source file:doug.iotdemo.analyzer.Analyzer.java

License:Open Source License

void saveSensor(String sensor) throws IOException, MqttException {
    SensorData sensorData = data.get(sensor);
    if (sensorData != null) {
        UpdateItemRequest request = new UpdateItemRequest().withTableName(AmazonUtils.getSensorTableName())
                .addKeyEntry("sensor", new AttributeValue().withS(sensor))
                .addAttributeUpdatesEntry("time",
                        new AttributeValueUpdate()
                                .withValue(new AttributeValue().withN(Long.toString(sensorData.time)))
                                .withAction(AttributeAction.PUT))
                .addAttributeUpdatesEntry("count",
                        new AttributeValueUpdate()
                                .withValue(new AttributeValue().withN(Long.toString(sensorData.count)))
                                .withAction(AttributeAction.PUT));
        db.updateItem(request);// ww w.  j  av  a  2s .com

        long thresh = sensorData.time / sensorData.count;
        mqtt.sendThreshold(sensor, thresh);
    }
}

From source file:io.milton.s3.DynamoDBManagerImpl.java

License:Open Source License

/**
 * Move or rename entity to other folder
 * /*from  w w w .java  2  s.  com*/
 * @param entity
 *             - current entity want to move or rename
 * @param newParent
 *             - parent of entity
 * @param newEntityName
 *             - new name of entity
 * @param isRenamingAction
 *             - TRUE is renaming file, otherwise FALSE
 * @return TRUE/FALSE
 */
@Override
public boolean updateEntityByUniqueId(String tableName, Entity entity, Folder newParent, String newEntityName,
        boolean isRenamingAction) {
    HashMap<String, AttributeValue> primaryKey = new HashMap<String, AttributeValue>();
    primaryKey.put(AttributeKey.UUID, new AttributeValue().withS(entity.getId().toString()));

    Map<String, AttributeValueUpdate> updateItems = new HashMap<String, AttributeValueUpdate>();
    updateItems.put(AttributeKey.ENTITY_NAME, new AttributeValueUpdate().withAction(AttributeAction.PUT)
            .withValue(new AttributeValue().withS(newEntityName)));
    updateItems.put(AttributeKey.MODIFIED_DATE, new AttributeValueUpdate().withAction(AttributeAction.PUT)
            .withValue(new AttributeValue().withS(DateUtils.dateToString(new Date()))));

    if (!isRenamingAction) {
        updateItems.put(AttributeKey.PARENT_UUID, new AttributeValueUpdate().withAction(AttributeAction.PUT)
                .withValue(new AttributeValue().withS(newParent.getId().toString())));
    }

    UpdateItemResult updateStatus = dynamoDBService.updateItem(tableName, primaryKey, updateItems);
    if (updateStatus != null) {
        return true;
    }

    return false;
}

From source file:kinesisadaptersample.StreamsAdapterDemoHelper.java

License:Open Source License

public static void updateItem(AmazonDynamoDB dynamoDBClient, String tableName, String id, String val) {
    java.util.Map<String, AttributeValue> key = new HashMap<String, AttributeValue>();
    key.put("Id", new AttributeValue().withN(id));

    Map<String, AttributeValueUpdate> attributeUpdates = new HashMap<String, AttributeValueUpdate>();
    AttributeValueUpdate update = new AttributeValueUpdate().withAction(AttributeAction.PUT)
            .withValue(new AttributeValue().withS(val));
    attributeUpdates.put("attribute-2", update);

    UpdateItemRequest updateItemRequest = new UpdateItemRequest().withTableName(tableName).withKey(key)
            .withAttributeUpdates(attributeUpdates);
    dynamoDBClient.updateItem(updateItemRequest);
}

From source file:org.wildfly.camel.test.common.aws.DynamoDBUtils.java

License:Apache License

public static void updItem(CamelContext camelctx, String title) {

    HashMap<String, AttributeValue> key = new HashMap<>();
    key.put("Id", new AttributeValue().withN("103"));

    HashMap<String, AttributeValueUpdate> updItem = new HashMap<>();
    AttributeValueUpdate updValue = new AttributeValueUpdate();
    updValue.setValue(new AttributeValue().withS(title));
    updItem.put("Title", updValue);

    Exchange exchange = new ExchangeBuilder(camelctx)
            .withHeader(DdbConstants.OPERATION, DdbOperations.UpdateItem).withHeader(DdbConstants.KEY, key)
            .withHeader(DdbConstants.UPDATE_VALUES, updItem).build();

    ProducerTemplate producer = camelctx.createProducerTemplate();
    producer.send("direct:start", exchange);
    Assert.assertNull(exchange.getException());
}