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  /*
   * Copyright 2010-2015 Amazon.com, Inc. or its affiliates. All Rights Reserved.
   * 
   * Licensed under the Apache License, Version 2.0 (the "License").
   * You may not use this file except in compliance with the License.
   * A copy of the License is located at
   * 
   *  http://aws.amazon.com/apache2.0
   * 
  * or in the "license" file accompanying this file. This file is distributed
  * on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
  * express or implied. See the License for the specific language governing
  * permissions and limitations under the License.
  */
 package com.amazonaws.services.logs;
 
Interface for accessing AWSLogs. Amazon CloudWatch Logs API Reference

This is the Amazon CloudWatch Logs API Reference . Amazon CloudWatch Logs enables you to monitor, store, and access your system, application, and custom log files. This guide provides detailed information about Amazon CloudWatch Logs actions, data types, parameters, and errors. For detailed information about Amazon CloudWatch Logs features and their associated API calls, go to the Amazon CloudWatch Developer Guide .

Use the following links to get started using the Amazon CloudWatch Logs API Reference :

  • Actions : An alphabetical list of all Amazon CloudWatch Logs actions.
  • Data Types : An alphabetical list of all Amazon CloudWatch Logs data types.
  • Common Parameters : Parameters that all Query actions can use.
  • Common Errors : Client and server errors that all actions can return.
  • Regions and Endpoints : Itemized regions and endpoints for all AWS products.

In addition to using the Amazon CloudWatch Logs API, you can also use the following SDKs and third-party libraries to access Amazon CloudWatch Logs programmatically.

  • AWS SDK for Java Documentation
  • AWS SDK for .NET Documentation
  • AWS SDK for PHP Documentation
  • AWS SDK for Ruby Documentation

Developers in the AWS developer community also provide their own libraries, which you can find at the following AWS developer centers:

  • AWS Java Developer Center
  • AWS PHP Developer Center
  • AWS Python Developer Center
  • AWS Ruby Developer Center
  • AWS Windows and .NET Developer Center
public interface AWSLogs {

    
Overrides the default endpoint for this client ("https://logs.us-east-1.amazonaws.com"). Callers can use this method to control which AWS region they want to work with.

Callers can pass in just the endpoint (ex: "logs.us-east-1.amazonaws.com") or a full URL, including the protocol (ex: "https://logs.us-east-1.amazonaws.com"). If the protocol is not specified here, the default protocol from this client's com.amazonaws.ClientConfiguration will be used, which by default is HTTPS.

For more information on using AWS regions with the AWS SDK for Java, and a complete list of all available endpoints for all AWS services, see: http://developer.amazonwebservices.com/connect/entry.jspa?externalID=3912

This method is not threadsafe. An endpoint should be configured when the client is created and before any service requests are made. Changing it afterwards creates inevitable race conditions for any service requests in transit or retrying.

Parameters:
endpoint The endpoint (ex: "logs.us-east-1.amazonaws.com") or a full URL, including the protocol (ex: "https://logs.us-east-1.amazonaws.com") of the region specific AWS endpoint this client will communicate with.
Throws:
java.lang.IllegalArgumentException If any problems are detected with the specified endpoint.
    public void setEndpoint(String endpointthrows java.lang.IllegalArgumentException;

    
An alternative to setEndpoint(java.lang.String), sets the regional endpoint for this client's service calls. Callers can use this method to control which AWS region they want to work with.

By default, all service endpoints in all regions use the https protocol. To use http instead, specify it in the com.amazonaws.ClientConfiguration supplied at construction.

This method is not threadsafe. A region should be configured when the client is created and before any service requests are made. Changing it afterwards creates inevitable race conditions for any service requests in transit or retrying.

    public void setRegion(Region regionthrows java.lang.IllegalArgumentException;
    
    

Sets the retention of the specified log group. A retention policy allows you to configure the number of days you want to retain log events in the specified log group.

Parameters:
putRetentionPolicyRequest Container for the necessary parameters to execute the PutRetentionPolicy service method on AWSLogs.
Throws:
com.amazonaws.services.logs.model.ServiceUnavailableException
com.amazonaws.services.logs.model.InvalidParameterException
com.amazonaws.services.logs.model.OperationAbortedException
com.amazonaws.services.logs.model.ResourceNotFoundException
com.amazonaws.AmazonClientException If any internal errors are encountered inside the client while attempting to make the request or handle the response. For example if a network connection is not available.
com.amazonaws.AmazonServiceException If an error response is returned by AWSLogs indicating either a problem with the data in the request, or a server side issue.
    public void putRetentionPolicy(PutRetentionPolicyRequest putRetentionPolicyRequest
            throws AmazonServiceExceptionAmazonClientException;

    

Returns all the metrics filters associated with the specified log group. The list returned in the response is ASCII-sorted by filter name.

By default, this operation returns up to 50 metric filters. If there are more metric filters to list, the response would contain a nextToken value in the response body. You can also limit the number of metric filters returned in the response by specifying the limit parameter in the request.

Parameters:
describeMetricFiltersRequest Container for the necessary parameters to execute the DescribeMetricFilters service method on AWSLogs.
Returns:
The response from the DescribeMetricFilters service method, as returned by AWSLogs.
Throws:
com.amazonaws.services.logs.model.ServiceUnavailableException
com.amazonaws.services.logs.model.InvalidParameterException
com.amazonaws.services.logs.model.ResourceNotFoundException
com.amazonaws.AmazonClientException If any internal errors are encountered inside the client while attempting to make the request or handle the response. For example if a network connection is not available.
com.amazonaws.AmazonServiceException If an error response is returned by AWSLogs indicating either a problem with the data in the request, or a server side issue.
            throws AmazonServiceExceptionAmazonClientException;

    

Returns all the log streams that are associated with the specified log group. The list returned in the response is ASCII-sorted by log stream name.

By default, this operation returns up to 50 log streams. If there are more log streams to list, the response would contain a nextToken value in the response body. You can also limit the number of log streams returned in the response by specifying the limit parameter in the request. This operation has a limit of five transactions per second, after which transactions are throttled.

Parameters:
describeLogStreamsRequest Container for the necessary parameters to execute the DescribeLogStreams service method on AWSLogs.
Returns:
The response from the DescribeLogStreams service method, as returned by AWSLogs.
Throws:
com.amazonaws.services.logs.model.ServiceUnavailableException
com.amazonaws.services.logs.model.InvalidParameterException
com.amazonaws.services.logs.model.ResourceNotFoundException
com.amazonaws.AmazonClientException If any internal errors are encountered inside the client while attempting to make the request or handle the response. For example if a network connection is not available.
com.amazonaws.AmazonServiceException If an error response is returned by AWSLogs indicating either a problem with the data in the request, or a server side issue.
    public DescribeLogStreamsResult describeLogStreams(DescribeLogStreamsRequest describeLogStreamsRequest
            throws AmazonServiceExceptionAmazonClientException;

    

Deletes the log group with the specified name and permanently deletes all the archived log events associated with it.

Parameters:
deleteLogGroupRequest Container for the necessary parameters to execute the DeleteLogGroup service method on AWSLogs.
Throws:
com.amazonaws.services.logs.model.ServiceUnavailableException
com.amazonaws.services.logs.model.InvalidParameterException
com.amazonaws.services.logs.model.OperationAbortedException
com.amazonaws.services.logs.model.ResourceNotFoundException
com.amazonaws.AmazonClientException If any internal errors are encountered inside the client while attempting to make the request or handle the response. For example if a network connection is not available.
com.amazonaws.AmazonServiceException If an error response is returned by AWSLogs indicating either a problem with the data in the request, or a server side issue.
    public void deleteLogGroup(DeleteLogGroupRequest deleteLogGroupRequest
            throws AmazonServiceExceptionAmazonClientException;

    

Creates a new log group with the specified name. The name of the log group must be unique within a region for an AWS account. You can create up to 500 log groups per account.

You must use the following guidelines when naming a log group:

  • Log group names can be between 1 and 512 characters long.
  • Allowed characters are a-z, A-Z, 0-9, '_' (underscore), '-' (hyphen), '/' (forward slash), and '.' (period).

Parameters:
createLogGroupRequest Container for the necessary parameters to execute the CreateLogGroup service method on AWSLogs.
Throws:
com.amazonaws.services.logs.model.ServiceUnavailableException
com.amazonaws.services.logs.model.InvalidParameterException
com.amazonaws.services.logs.model.OperationAbortedException
com.amazonaws.services.logs.model.ResourceAlreadyExistsException
com.amazonaws.services.logs.model.LimitExceededException
com.amazonaws.AmazonClientException If any internal errors are encountered inside the client while attempting to make the request or handle the response. For example if a network connection is not available.
com.amazonaws.AmazonServiceException If an error response is returned by AWSLogs indicating either a problem with the data in the request, or a server side issue.
    public void createLogGroup(CreateLogGroupRequest createLogGroupRequest
            throws AmazonServiceExceptionAmazonClientException;

    

Tests the filter pattern of a metric filter against a sample of log event messages. You can use this operation to validate the correctness of a metric filter pattern.

Parameters:
testMetricFilterRequest Container for the necessary parameters to execute the TestMetricFilter service method on AWSLogs.
Returns:
The response from the TestMetricFilter service method, as returned by AWSLogs.
Throws:
com.amazonaws.services.logs.model.ServiceUnavailableException
com.amazonaws.services.logs.model.InvalidParameterException
com.amazonaws.AmazonClientException If any internal errors are encountered inside the client while attempting to make the request or handle the response. For example if a network connection is not available.
com.amazonaws.AmazonServiceException If an error response is returned by AWSLogs indicating either a problem with the data in the request, or a server side issue.
    public TestMetricFilterResult testMetricFilter(TestMetricFilterRequest testMetricFilterRequest
            throws AmazonServiceExceptionAmazonClientException;

    

Creates or updates a metric filter and associates it with the specified log group. Metric filters allow you to configure rules to extract metric data from log events ingested through PutLogEvents requests.

Parameters:
putMetricFilterRequest Container for the necessary parameters to execute the PutMetricFilter service method on AWSLogs.
Throws:
com.amazonaws.services.logs.model.ServiceUnavailableException
com.amazonaws.services.logs.model.InvalidParameterException
com.amazonaws.services.logs.model.OperationAbortedException
com.amazonaws.services.logs.model.ResourceNotFoundException
com.amazonaws.services.logs.model.LimitExceededException
com.amazonaws.AmazonClientException If any internal errors are encountered inside the client while attempting to make the request or handle the response. For example if a network connection is not available.
com.amazonaws.AmazonServiceException If an error response is returned by AWSLogs indicating either a problem with the data in the request, or a server side issue.
    public void putMetricFilter(PutMetricFilterRequest putMetricFilterRequest
            throws AmazonServiceExceptionAmazonClientException;

    

Deletes a metric filter associated with the specified log group.

Parameters:
deleteMetricFilterRequest Container for the necessary parameters to execute the DeleteMetricFilter service method on AWSLogs.
Throws:
com.amazonaws.services.logs.model.ServiceUnavailableException
com.amazonaws.services.logs.model.InvalidParameterException
com.amazonaws.services.logs.model.OperationAbortedException
com.amazonaws.services.logs.model.ResourceNotFoundException
com.amazonaws.AmazonClientException If any internal errors are encountered inside the client while attempting to make the request or handle the response. For example if a network connection is not available.
com.amazonaws.AmazonServiceException If an error response is returned by AWSLogs indicating either a problem with the data in the request, or a server side issue.
    public void deleteMetricFilter(DeleteMetricFilterRequest deleteMetricFilterRequest
            throws AmazonServiceExceptionAmazonClientException;

    

Uploads a batch of log events to the specified log stream.

Every PutLogEvents request must include the sequenceToken obtained from the response of the previous request. An upload in a newly created log stream does not require a sequenceToken .

The batch of events must satisfy the following constraints:

  • The maximum batch size is 1,048,576 bytes, and this size is calculated as the sum of all event messages in UTF-8, plus 26 bytes for each log event.
  • None of the log events in the batch can be more than 2 hours in the future.
  • None of the log events in the batch can be older than 14 days or the retention period of the log group.
  • The log events in the batch must be in chronological ordered by their timestamp .
  • The maximum number of log events in a batch is 10,000.

Parameters:
putLogEventsRequest Container for the necessary parameters to execute the PutLogEvents service method on AWSLogs.
Returns:
The response from the PutLogEvents service method, as returned by AWSLogs.
Throws:
com.amazonaws.services.logs.model.ServiceUnavailableException
com.amazonaws.services.logs.model.InvalidParameterException
com.amazonaws.services.logs.model.OperationAbortedException
com.amazonaws.services.logs.model.InvalidSequenceTokenException
com.amazonaws.services.logs.model.DataAlreadyAcceptedException
com.amazonaws.services.logs.model.ResourceNotFoundException
com.amazonaws.AmazonClientException If any internal errors are encountered inside the client while attempting to make the request or handle the response. For example if a network connection is not available.
com.amazonaws.AmazonServiceException If an error response is returned by AWSLogs indicating either a problem with the data in the request, or a server side issue.
    public PutLogEventsResult putLogEvents(PutLogEventsRequest putLogEventsRequest
            throws AmazonServiceExceptionAmazonClientException;

    

Retrieves log events, optionally filtered by a filter pattern from the specified log group. You can provide an optional time range to filter the results on the event timestamp . You can limit the streams searched to an explicit list of logStreamNames .

By default, this operation returns as much matching log events as can fit in a response size of 1MB, up to 10,000 log events, or all the events found within a time-bounded scan window. If the response includes a nextToken , then there is more data to search, and the search can be resumed with a new request providing the nextToken. The response will contain a list of searchedLogStreams that contains information about which streams were searched in the request and whether they have been searched completely or require further pagination. The limit parameter in the request. can be used to specify the maximum number of events to return in a page.

Parameters:
filterLogEventsRequest Container for the necessary parameters to execute the FilterLogEvents service method on AWSLogs.
Returns:
The response from the FilterLogEvents service method, as returned by AWSLogs.
Throws:
com.amazonaws.services.logs.model.ServiceUnavailableException
com.amazonaws.services.logs.model.InvalidParameterException
com.amazonaws.services.logs.model.ResourceNotFoundException
com.amazonaws.AmazonClientException If any internal errors are encountered inside the client while attempting to make the request or handle the response. For example if a network connection is not available.
com.amazonaws.AmazonServiceException If an error response is returned by AWSLogs indicating either a problem with the data in the request, or a server side issue.
    public FilterLogEventsResult filterLogEvents(FilterLogEventsRequest filterLogEventsRequest
            throws AmazonServiceExceptionAmazonClientException;

    

Deletes the retention policy of the specified log group. Log events would not expire if they belong to log groups without a retention policy.

Parameters:
deleteRetentionPolicyRequest Container for the necessary parameters to execute the DeleteRetentionPolicy service method on AWSLogs.
Throws:
com.amazonaws.services.logs.model.ServiceUnavailableException
com.amazonaws.services.logs.model.InvalidParameterException
com.amazonaws.services.logs.model.OperationAbortedException
com.amazonaws.services.logs.model.ResourceNotFoundException
com.amazonaws.AmazonClientException If any internal errors are encountered inside the client while attempting to make the request or handle the response. For example if a network connection is not available.
com.amazonaws.AmazonServiceException If an error response is returned by AWSLogs indicating either a problem with the data in the request, or a server side issue.
    public void deleteRetentionPolicy(DeleteRetentionPolicyRequest deleteRetentionPolicyRequest
            throws AmazonServiceExceptionAmazonClientException;

    

Retrieves log events from the specified log stream. You can provide an optional time range to filter the results on the event timestamp .

By default, this operation returns as much log events as can fit in a response size of 1MB, up to 10,000 log events. The response will always include a nextForwardToken and a nextBackwardToken in the response body. You can use any of these tokens in subsequent GetLogEvents requests to paginate through events in either forward or backward direction. You can also limit the number of log events returned in the response by specifying the limit parameter in the request.

Parameters:
getLogEventsRequest Container for the necessary parameters to execute the GetLogEvents service method on AWSLogs.
Returns:
The response from the GetLogEvents service method, as returned by AWSLogs.
Throws:
com.amazonaws.services.logs.model.ServiceUnavailableException
com.amazonaws.services.logs.model.InvalidParameterException
com.amazonaws.services.logs.model.ResourceNotFoundException
com.amazonaws.AmazonClientException If any internal errors are encountered inside the client while attempting to make the request or handle the response. For example if a network connection is not available.
com.amazonaws.AmazonServiceException If an error response is returned by AWSLogs indicating either a problem with the data in the request, or a server side issue.
    public GetLogEventsResult getLogEvents(GetLogEventsRequest getLogEventsRequest
            throws AmazonServiceExceptionAmazonClientException;

    

Creates a new log stream in the specified log group. The name of the log stream must be unique within the log group. There is no limit on the number of log streams that can exist in a log group.

You must use the following guidelines when naming a log stream:

  • Log stream names can be between 1 and 512 characters long.
  • The ':' colon character is not allowed.

Parameters:
createLogStreamRequest Container for the necessary parameters to execute the CreateLogStream service method on AWSLogs.
Throws:
com.amazonaws.services.logs.model.ServiceUnavailableException
com.amazonaws.services.logs.model.InvalidParameterException
com.amazonaws.services.logs.model.ResourceNotFoundException
com.amazonaws.services.logs.model.ResourceAlreadyExistsException
com.amazonaws.AmazonClientException If any internal errors are encountered inside the client while attempting to make the request or handle the response. For example if a network connection is not available.
com.amazonaws.AmazonServiceException If an error response is returned by AWSLogs indicating either a problem with the data in the request, or a server side issue.
    public void createLogStream(CreateLogStreamRequest createLogStreamRequest
            throws AmazonServiceExceptionAmazonClientException;

    

Deletes a log stream and permanently deletes all the archived log events associated with it.

Parameters:
deleteLogStreamRequest Container for the necessary parameters to execute the DeleteLogStream service method on AWSLogs.
Throws:
com.amazonaws.services.logs.model.ServiceUnavailableException
com.amazonaws.services.logs.model.InvalidParameterException
com.amazonaws.services.logs.model.OperationAbortedException
com.amazonaws.services.logs.model.ResourceNotFoundException
com.amazonaws.AmazonClientException If any internal errors are encountered inside the client while attempting to make the request or handle the response. For example if a network connection is not available.
com.amazonaws.AmazonServiceException If an error response is returned by AWSLogs indicating either a problem with the data in the request, or a server side issue.
    public void deleteLogStream(DeleteLogStreamRequest deleteLogStreamRequest
            throws AmazonServiceExceptionAmazonClientException;

    

Returns all the log groups that are associated with the AWS account making the request. The list returned in the response is ASCII-sorted by log group name.

By default, this operation returns up to 50 log groups. If there are more log groups to list, the response would contain a nextToken value in the response body. You can also limit the number of log groups returned in the response by specifying the limit parameter in the request.

Parameters:
describeLogGroupsRequest Container for the necessary parameters to execute the DescribeLogGroups service method on AWSLogs.
Returns:
The response from the DescribeLogGroups service method, as returned by AWSLogs.
Throws:
com.amazonaws.services.logs.model.ServiceUnavailableException
com.amazonaws.services.logs.model.InvalidParameterException
com.amazonaws.AmazonClientException If any internal errors are encountered inside the client while attempting to make the request or handle the response. For example if a network connection is not available.
com.amazonaws.AmazonServiceException If an error response is returned by AWSLogs indicating either a problem with the data in the request, or a server side issue.
    public DescribeLogGroupsResult describeLogGroups(DescribeLogGroupsRequest describeLogGroupsRequest
            throws AmazonServiceExceptionAmazonClientException;

    

Returns all the log groups that are associated with the AWS account making the request. The list returned in the response is ASCII-sorted by log group name.

By default, this operation returns up to 50 log groups. If there are more log groups to list, the response would contain a nextToken value in the response body. You can also limit the number of log groups returned in the response by specifying the limit parameter in the request.

Returns:
The response from the DescribeLogGroups service method, as returned by AWSLogs.
Throws:
com.amazonaws.services.logs.model.ServiceUnavailableException
com.amazonaws.services.logs.model.InvalidParameterException
com.amazonaws.AmazonClientException If any internal errors are encountered inside the client while attempting to make the request or handle the response. For example if a network connection is not available.
com.amazonaws.AmazonServiceException If an error response is returned by AWSLogs indicating either a problem with the data in the request, or a server side issue.
Shuts down this client object, releasing any resources that might be held open. This is an optional method, and callers are not expected to call it, but can if they want to explicitly release any open resources. Once a client has been shutdown, it should not be used to make any more requests.
    public void shutdown();
    
    
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 a request.

Parameters:
request The originally executed request.
Returns:
The response metadata for the specified request, or null if none is available.
}
        
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