Example usage for com.amazonaws.services.dynamodbv2.document UpdateItemOutcome getItem

Introduction

In this page you can find the example usage for com.amazonaws.services.dynamodbv2.document UpdateItemOutcome getItem.

Prototype

public Item getItem() 

Source Link

Document

Returns all the returned attributes as a (non-null) Item .

Usage

From source file:com.nodestone.ksum.RecordProcessor.java

License:Open Source License

/**
 * Update DynamoDB record://www. j  a v  a 2  s. c o  m
 *  - updating updates count
 *  - updating total sum
 */
private void updateRecord(RawData rawData) {
    UpdateItemSpec updateItemSpec = new UpdateItemSpec().withPrimaryKey("CustomerId", rawData.custId)
            .withUpdateExpression("set TotalSum = TotalSum + :val, Updates = Updates + :inc")
            .withValueMap(
                    new ValueMap().withNumber(":val", Integer.parseInt(rawData.value)).withNumber(":inc", 1))
            .withReturnValues(ReturnValue.UPDATED_NEW);

    try {
        UpdateItemOutcome outcome = this.dbTable.updateItem(updateItemSpec);

        LOG.info("UpdateItem succeeded:\n" + outcome.getItem().toJSONPretty());
    } catch (Exception e) {
        LOG.info("Update failed with exception:");
        LOG.info(e.getMessage());
    }
}

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From source file:io.ignitr.dispatchr.manager.core.data.ClientRepository.java

License:Apache License

/**
 *
 * @param newClient/*  w w  w . ja v  a  2 s. c  o m*/
 * @return
 */
public Observable<Client> update(Client newClient) {
    return findOne(newClient.getClientId()).last().map(oldClient -> {
        Table clientTable = dynamoDB.getTable(CLIENT_TABLE_NAME);

        UpdateItemOutcome outcome = clientTable
                .updateItem(new UpdateItemSpec().withPrimaryKey("clientId", oldClient.getClientId())
                        .withAttributeUpdate(new AttributeUpdate("ownerName").put(newClient.getOwnerName()))
                        .withAttributeUpdate(new AttributeUpdate("ownerEmail").put(newClient.getOwnerEmail())));

        Item item = outcome.getItem();

        return convertFromItem(item);
    });
}

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From source file:jp.classmethod.aws.dynamodb.DynamoDbRepository.java

License:Open Source License

@Override
public E update(K key, JsonPatch patch, boolean increment, long version) {
    final PrimaryKey pk = createKeys(key);
    Preconditions.checkNotNull(patch, "patch must not be null");
    Preconditions.checkArgument(version >= -1);

    ExpressionSpecBuilder builder = patch.get();

    //add a condition on item existence
    builder.withCondition(ExpressionSpecBuilder.attribute_exists(hashKeyName));
    //add update expression for incrementing the version
    if (increment && versionProperty != null) {
        builder.addUpdate(ExpressionSpecBuilder.N(versionProperty)
                .set(ExpressionSpecBuilder.N(versionProperty).plus(1L)));
    }/* w w w  .j  ava  2s.  c o  m*/
    //add version condition
    if (version >= 0) {
        Preconditions.checkState(versionProperty != null);
        builder.withCondition(ExpressionSpecBuilder.N(versionProperty).eq(version));
    }

    UpdateItemExpressionSpec spec = builder.buildForUpdate();
    Preconditions.checkArgument(false == Strings.isNullOrEmpty(spec.getUpdateExpression()),
            "patch may not be empty"); // TODO add mechanism to JSON patch to allow iterating over list of ops
    try {
        UpdateItemOutcome updateItemOutcome = table.updateItem(new UpdateItemSpec().withExpressionSpec(spec)
                .withPrimaryKey(pk).withReturnValues(ReturnValue.ALL_NEW));
        return convertItemToDomain(updateItemOutcome.getItem());
    } catch (AmazonClientException e) {
        throw processUpdateItemException(key, e);
    }
}

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