com.amazonaws.services.qldb

Class AmazonQLDBClient

java.lang.Object

com.amazonaws.AmazonWebServiceClient

com.amazonaws.services.qldb.AmazonQLDBClient

All Implemented Interfaces:

AmazonQLDB

Direct Known Subclasses:

AmazonQLDBAsyncClient

@ThreadSafe
 @Generated(value="com.amazonaws:aws-java-sdk-code-generator")
public class AmazonQLDBClient
extends AmazonWebServiceClient
implements AmazonQLDB

Client for accessing QLDB. All service calls made using this client are blocking, and will not return until the service call completes.

The control plane for Amazon QLDB

Field Summary

Fields inherited from class com.amazonaws.AmazonWebServiceClient

LOGGING_AWS_REQUEST_METRIC

Fields inherited from interface com.amazonaws.services.qldb.AmazonQLDB

ENDPOINT_PREFIX

Method Summary

Modifier and Type	Method and Description
static AmazonQLDBClientBuilder	builder()
CancelJournalKinesisStreamResult	cancelJournalKinesisStream(CancelJournalKinesisStreamRequest request) Ends a given Amazon QLDB journal stream.
CreateLedgerResult	createLedger(CreateLedgerRequest request) Creates a new ledger in your AWS account.
DeleteLedgerResult	deleteLedger(DeleteLedgerRequest request) Deletes a ledger and all of its contents.
DescribeJournalKinesisStreamResult	describeJournalKinesisStream(DescribeJournalKinesisStreamRequest request) Returns detailed information about a given Amazon QLDB journal stream.
DescribeJournalS3ExportResult	describeJournalS3Export(DescribeJournalS3ExportRequest request) Returns information about a journal export job, including the ledger name, export ID, when it was created, current status, and its start and end time export parameters.
DescribeLedgerResult	describeLedger(DescribeLedgerRequest request) Returns information about a ledger, including its state and when it was created.
ExportJournalToS3Result	exportJournalToS3(ExportJournalToS3Request request) Exports journal contents within a date and time range from a ledger into a specified Amazon Simple Storage Service (Amazon S3) bucket.
GetBlockResult	getBlock(GetBlockRequest request) Returns a block object at a specified address in a journal.
ResponseMetadata	getCachedResponseMetadata(AmazonWebServiceRequest request) Returns additional metadata for a previously executed successful, request, typically used for debugging issues where a service isn't acting as expected.
GetDigestResult	getDigest(GetDigestRequest request) Returns the digest of a ledger at the latest committed block in the journal.
GetRevisionResult	getRevision(GetRevisionRequest request) Returns a revision data object for a specified document ID and block address.
ListJournalKinesisStreamsForLedgerResult	listJournalKinesisStreamsForLedger(ListJournalKinesisStreamsForLedgerRequest request) Returns an array of all Amazon QLDB journal stream descriptors for a given ledger.
ListJournalS3ExportsResult	listJournalS3Exports(ListJournalS3ExportsRequest request) Returns an array of journal export job descriptions for all ledgers that are associated with the current AWS account and Region.
ListJournalS3ExportsForLedgerResult	listJournalS3ExportsForLedger(ListJournalS3ExportsForLedgerRequest request) Returns an array of journal export job descriptions for a specified ledger.
ListLedgersResult	listLedgers(ListLedgersRequest request) Returns an array of ledger summaries that are associated with the current AWS account and Region.
ListTagsForResourceResult	listTagsForResource(ListTagsForResourceRequest request) Returns all tags for a specified Amazon QLDB resource.
void	shutdown() Shuts down this client object, releasing any resources that might be held open.
StreamJournalToKinesisResult	streamJournalToKinesis(StreamJournalToKinesisRequest request) Creates a journal stream for a given Amazon QLDB ledger.
TagResourceResult	tagResource(TagResourceRequest request) Adds one or more tags to a specified Amazon QLDB resource.
UntagResourceResult	untagResource(UntagResourceRequest request) Removes one or more tags from a specified Amazon QLDB resource.
UpdateLedgerResult	updateLedger(UpdateLedgerRequest request) Updates properties on a ledger.

Methods inherited from class com.amazonaws.AmazonWebServiceClient

addRequestHandler, addRequestHandler, configureRegion, getClientConfiguration, getEndpointPrefix, getMonitoringListeners, getRequestMetricsCollector, getServiceName, getSignerByURI, getSignerOverride, getSignerRegionOverride, getTimeOffset, makeImmutable, removeRequestHandler, removeRequestHandler, setEndpoint, setEndpoint, setRegion, setServiceNameIntern, setSignerRegionOverride, setTimeOffset, withEndpoint, withRegion, withRegion, withTimeOffset

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

builder

public static AmazonQLDBClientBuilder builder()

cancelJournalKinesisStream

public CancelJournalKinesisStreamResult cancelJournalKinesisStream(CancelJournalKinesisStreamRequest request)

Ends a given Amazon QLDB journal stream. Before a stream can be canceled, its current status must be ACTIVE.

You can't restart a stream after you cancel it. Canceled QLDB stream resources are subject to a 7-day retention period, so they are automatically deleted after this limit expires.

Specified by:

cancelJournalKinesisStream in interface AmazonQLDB

Parameters:

cancelJournalKinesisStreamRequest -

Returns:

Result of the CancelJournalKinesisStream operation returned by the service.

Throws:

InvalidParameterException - One or more parameters in the request aren't valid.

ResourceNotFoundException - The specified resource doesn't exist.

ResourcePreconditionNotMetException - The operation failed because a condition wasn't satisfied in advance.

See Also:

AWS API Documentation

createLedger

public CreateLedgerResult createLedger(CreateLedgerRequest request)

Creates a new ledger in your AWS account.

Specified by:

createLedger in interface AmazonQLDB

Parameters:

createLedgerRequest -

Returns:

Result of the CreateLedger operation returned by the service.

Throws:

InvalidParameterException - One or more parameters in the request aren't valid.

ResourceAlreadyExistsException - The specified resource already exists.

LimitExceededException - You have reached the limit on the maximum number of resources allowed.

ResourceInUseException - The specified resource can't be modified at this time.

See Also:

AWS API Documentation

deleteLedger

public DeleteLedgerResult deleteLedger(DeleteLedgerRequest request)

Deletes a ledger and all of its contents. This action is irreversible.

If deletion protection is enabled, you must first disable it before you can delete the ledger using the QLDB API or the AWS Command Line Interface (AWS CLI). You can disable it by calling the UpdateLedger operation to set the flag to false. The QLDB console disables deletion protection for you when you use it to delete a ledger.

Specified by:

deleteLedger in interface AmazonQLDB

Parameters:

deleteLedgerRequest -

Returns:

Result of the DeleteLedger operation returned by the service.

Throws:

InvalidParameterException - One or more parameters in the request aren't valid.

ResourceNotFoundException - The specified resource doesn't exist.

ResourceInUseException - The specified resource can't be modified at this time.

ResourcePreconditionNotMetException - The operation failed because a condition wasn't satisfied in advance.

See Also:

AWS API Documentation

describeJournalKinesisStream

public DescribeJournalKinesisStreamResult describeJournalKinesisStream(DescribeJournalKinesisStreamRequest request)

Returns detailed information about a given Amazon QLDB journal stream. The output includes the Amazon Resource Name (ARN), stream name, current status, creation time, and the parameters of your original stream creation request.

Specified by:

describeJournalKinesisStream in interface AmazonQLDB

Parameters:

describeJournalKinesisStreamRequest -

Returns:

Result of the DescribeJournalKinesisStream operation returned by the service.

Throws:

InvalidParameterException - One or more parameters in the request aren't valid.

ResourceNotFoundException - The specified resource doesn't exist.

ResourcePreconditionNotMetException - The operation failed because a condition wasn't satisfied in advance.

See Also:

AWS API Documentation

describeJournalS3Export

public DescribeJournalS3ExportResult describeJournalS3Export(DescribeJournalS3ExportRequest request)

Returns information about a journal export job, including the ledger name, export ID, when it was created, current status, and its start and end time export parameters.

This action does not return any expired export jobs. For more information, see Export Job Expiration in the Amazon QLDB Developer Guide.

If the export job with the given ExportId doesn't exist, then throws ResourceNotFoundException.

If the ledger with the given Name doesn't exist, then throws ResourceNotFoundException.

Specified by:

describeJournalS3Export in interface AmazonQLDB

Parameters:

describeJournalS3ExportRequest -

Returns:

Result of the DescribeJournalS3Export operation returned by the service.

Throws:

ResourceNotFoundException - The specified resource doesn't exist.

See Also:

AWS API Documentation

describeLedger

public DescribeLedgerResult describeLedger(DescribeLedgerRequest request)

Returns information about a ledger, including its state and when it was created.

Specified by:

describeLedger in interface AmazonQLDB

Parameters:

describeLedgerRequest -

Returns:

Result of the DescribeLedger operation returned by the service.

Throws:

InvalidParameterException - One or more parameters in the request aren't valid.

ResourceNotFoundException - The specified resource doesn't exist.

See Also:

AWS API Documentation

exportJournalToS3

public ExportJournalToS3Result exportJournalToS3(ExportJournalToS3Request request)

Exports journal contents within a date and time range from a ledger into a specified Amazon Simple Storage Service (Amazon S3) bucket. The data is written as files in Amazon Ion format.

If the ledger with the given Name doesn't exist, then throws ResourceNotFoundException.

If the ledger with the given Name is in CREATING status, then throws ResourcePreconditionNotMetException.

You can initiate up to two concurrent journal export requests for each ledger. Beyond this limit, journal export requests throw LimitExceededException.

Specified by:

exportJournalToS3 in interface AmazonQLDB

Parameters:

exportJournalToS3Request -

Returns:

Result of the ExportJournalToS3 operation returned by the service.

Throws:

ResourceNotFoundException - The specified resource doesn't exist.

ResourcePreconditionNotMetException - The operation failed because a condition wasn't satisfied in advance.

See Also:

AWS API Documentation

getBlock

public GetBlockResult getBlock(GetBlockRequest request)

Returns a block object at a specified address in a journal. Also returns a proof of the specified block for verification if DigestTipAddress is provided.

For information about the data contents in a block, see Journal contents in the Amazon QLDB Developer Guide.

If the specified ledger doesn't exist or is in DELETING status, then throws ResourceNotFoundException.

If the specified ledger is in CREATING status, then throws ResourcePreconditionNotMetException.

If no block exists with the specified address, then throws InvalidParameterException.

Specified by:

getBlock in interface AmazonQLDB

Parameters:

getBlockRequest -

Returns:

Result of the GetBlock operation returned by the service.

Throws:

InvalidParameterException - One or more parameters in the request aren't valid.

ResourceNotFoundException - The specified resource doesn't exist.

ResourcePreconditionNotMetException - The operation failed because a condition wasn't satisfied in advance.

See Also:

AWS API Documentation

getDigest

public GetDigestResult getDigest(GetDigestRequest request)

Returns the digest of a ledger at the latest committed block in the journal. The response includes a 256-bit hash value and a block address.

Specified by:

getDigest in interface AmazonQLDB

Parameters:

getDigestRequest -

Returns:

Result of the GetDigest operation returned by the service.

Throws:

InvalidParameterException - One or more parameters in the request aren't valid.

ResourceNotFoundException - The specified resource doesn't exist.

ResourcePreconditionNotMetException - The operation failed because a condition wasn't satisfied in advance.

See Also:

AWS API Documentation

getRevision

public GetRevisionResult getRevision(GetRevisionRequest request)

Returns a revision data object for a specified document ID and block address. Also returns a proof of the specified revision for verification if DigestTipAddress is provided.

Specified by:

getRevision in interface AmazonQLDB

Parameters:

getRevisionRequest -

Returns:

Result of the GetRevision operation returned by the service.

Throws:

InvalidParameterException - One or more parameters in the request aren't valid.

ResourceNotFoundException - The specified resource doesn't exist.

ResourcePreconditionNotMetException - The operation failed because a condition wasn't satisfied in advance.

See Also:

AWS API Documentation

listJournalKinesisStreamsForLedger

public ListJournalKinesisStreamsForLedgerResult listJournalKinesisStreamsForLedger(ListJournalKinesisStreamsForLedgerRequest request)

Returns an array of all Amazon QLDB journal stream descriptors for a given ledger. The output of each stream descriptor includes the same details that are returned by DescribeJournalKinesisStream.

This action returns a maximum of MaxResults items. It is paginated so that you can retrieve all the items by calling ListJournalKinesisStreamsForLedger multiple times.

Specified by:

listJournalKinesisStreamsForLedger in interface AmazonQLDB

Parameters:

listJournalKinesisStreamsForLedgerRequest -

Returns:

Result of the ListJournalKinesisStreamsForLedger operation returned by the service.

Throws:

InvalidParameterException - One or more parameters in the request aren't valid.

ResourceNotFoundException - The specified resource doesn't exist.

ResourcePreconditionNotMetException - The operation failed because a condition wasn't satisfied in advance.

See Also:

AWS API Documentation

listJournalS3Exports

public ListJournalS3ExportsResult listJournalS3Exports(ListJournalS3ExportsRequest request)

Returns an array of journal export job descriptions for all ledgers that are associated with the current AWS account and Region.

This action returns a maximum of MaxResults items, and is paginated so that you can retrieve all the items by calling ListJournalS3Exports multiple times.

This action does not return any expired export jobs. For more information, see Export Job Expiration in the Amazon QLDB Developer Guide.

Specified by:

listJournalS3Exports in interface AmazonQLDB

Parameters:

listJournalS3ExportsRequest -

Returns:

Result of the ListJournalS3Exports operation returned by the service.

See Also:

AWS API Documentation

listJournalS3ExportsForLedger

public ListJournalS3ExportsForLedgerResult listJournalS3ExportsForLedger(ListJournalS3ExportsForLedgerRequest request)

Returns an array of journal export job descriptions for a specified ledger.

This action returns a maximum of MaxResults items, and is paginated so that you can retrieve all the items by calling ListJournalS3ExportsForLedger multiple times.

This action does not return any expired export jobs. For more information, see Export Job Expiration in the Amazon QLDB Developer Guide.

Specified by:

listJournalS3ExportsForLedger in interface AmazonQLDB

Parameters:

listJournalS3ExportsForLedgerRequest -

Returns:

Result of the ListJournalS3ExportsForLedger operation returned by the service.

See Also:

AWS API Documentation

listLedgers

public ListLedgersResult listLedgers(ListLedgersRequest request)

Returns an array of ledger summaries that are associated with the current AWS account and Region.

This action returns a maximum of 100 items and is paginated so that you can retrieve all the items by calling ListLedgers multiple times.

Specified by:

listLedgers in interface AmazonQLDB

Parameters:

listLedgersRequest -

Returns:

Result of the ListLedgers operation returned by the service.

See Also:

AWS API Documentation

listTagsForResource

public ListTagsForResourceResult listTagsForResource(ListTagsForResourceRequest request)

Returns all tags for a specified Amazon QLDB resource.

Specified by:

listTagsForResource in interface AmazonQLDB

Parameters:

listTagsForResourceRequest -

Returns:

Result of the ListTagsForResource operation returned by the service.

Throws:

InvalidParameterException - One or more parameters in the request aren't valid.

ResourceNotFoundException - The specified resource doesn't exist.

See Also:

AWS API Documentation

streamJournalToKinesis

public StreamJournalToKinesisResult streamJournalToKinesis(StreamJournalToKinesisRequest request)

Creates a journal stream for a given Amazon QLDB ledger. The stream captures every document revision that is committed to the ledger's journal and delivers the data to a specified Amazon Kinesis Data Streams resource.

Specified by:

streamJournalToKinesis in interface AmazonQLDB

Parameters:

streamJournalToKinesisRequest -

Returns:

Result of the StreamJournalToKinesis operation returned by the service.

Throws:

InvalidParameterException - One or more parameters in the request aren't valid.

ResourceNotFoundException - The specified resource doesn't exist.

ResourcePreconditionNotMetException - The operation failed because a condition wasn't satisfied in advance.

See Also:

AWS API Documentation

tagResource

public TagResourceResult tagResource(TagResourceRequest request)

Adds one or more tags to a specified Amazon QLDB resource.

A resource can have up to 50 tags. If you try to create more than 50 tags for a resource, your request fails and returns an error.

Specified by:

tagResource in interface AmazonQLDB

Parameters:

tagResourceRequest -

Returns:

Result of the TagResource operation returned by the service.

Throws:

InvalidParameterException - One or more parameters in the request aren't valid.

ResourceNotFoundException - The specified resource doesn't exist.

See Also:

AWS API Documentation

untagResource

public UntagResourceResult untagResource(UntagResourceRequest request)

Removes one or more tags from a specified Amazon QLDB resource. You can specify up to 50 tag keys to remove.

Specified by:

untagResource in interface AmazonQLDB

Parameters:

untagResourceRequest -

Returns:

Result of the UntagResource operation returned by the service.

Throws:

InvalidParameterException - One or more parameters in the request aren't valid.

ResourceNotFoundException - The specified resource doesn't exist.

See Also:

AWS API Documentation

updateLedger

public UpdateLedgerResult updateLedger(UpdateLedgerRequest request)

Updates properties on a ledger.

Specified by:

updateLedger in interface AmazonQLDB

Parameters:

updateLedgerRequest -

Returns:

Result of the UpdateLedger operation returned by the service.

Throws:

InvalidParameterException - One or more parameters in the request aren't valid.

ResourceNotFoundException - The specified resource doesn't exist.

See Also:

AWS API Documentation

getCachedResponseMetadata

public ResponseMetadata getCachedResponseMetadata(AmazonWebServiceRequest request)

Returns additional metadata for a previously executed successful, request, typically used for debugging issues where a service isn't acting as expected. This data isn't considered part of the result data returned by an operation, so it's available through this separate, diagnostic interface.

Response metadata is only cached for a limited period of time, so if you need to access this extra diagnostic information for an executed request, you should use this method to retrieve it as soon as possible after executing the request.

Specified by:

getCachedResponseMetadata in interface AmazonQLDB

Parameters:

request - The originally executed request

Returns:

The response metadata for the specified request, or null if none is available.

shutdown

public void shutdown()

Description copied from class: AmazonWebServiceClient

Shuts down this client object, releasing any resources that might be held open. If this method is not invoked, resources may be leaked. Once a client has been shutdown, it should not be used to make any more requests.

Specified by:

shutdown in interface AmazonQLDB

Overrides:

shutdown in class AmazonWebServiceClient