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    Lifecycle

    Terakhir diperbarui:2024-02-02 16:24:05
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      This document provides an overview of APIs and SDK code samples related to lifecycle.
      API
      Operation
      Description
      Setting lifecycle configuration
      Sets lifecycle management configuration for a bucket
      Querying a lifecycle configuration
      Queries the lifecycle management configuration of a bucket
      Deleting lifecycle
      Deletes the lifecycle management configuration of bucket

      Setting Lifecycle Configuration

      Feature description

      This API is used to set the lifecycle configuration for a bucket.

      Method prototype

      public void setBucketLifecycleConfiguration(String bucketName, BucketLifecycleConfiguration bucketLifecycleConfiguration) 
              throws CosClientException, CosServiceException;

      Sample request

      List<BucketLifecycleConfiguration.Rule> rules = new ArrayList<BucketLifecycleConfiguration.Rule>();
      // Rule 1: delete files whose paths start with hongkong_movie/ after 30 days
      BucketLifecycleConfiguration.Rule deletePrefixRule = new BucketLifecycleConfiguration.Rule();
      deletePrefixRule.setId("delete prefix xxxy after 30 days");
      deletePrefixRule.setFilter(new LifecycleFilter(new LifecyclePrefixPredicate("hongkong_movie/")));
      // Deleting files that have been uploaded or modified for 30 days
      deletePrefixRule.setExpirationInDays(30);
      // Setting rules to active
      deletePrefixRule.setStatus(BucketLifecycleConfiguration.ENABLED);
      
      // Rule 2: put files into low frequency after 20 days and delete them after one year
      BucketLifecycleConfiguration.Rule standardIaRule = new BucketLifecycleConfiguration.Rule();
      standardIaRule.setId("standard_ia transition");
      standardIaRule.setFilter(new LifecycleFilter(new LifecyclePrefixPredicate("standard_ia/")));
      List<BucketLifecycleConfiguration.Transition> standardIaTransitions = new ArrayList<BucketLifecycleConfiguration.Transition>();
      BucketLifecycleConfiguration.Transition standardTransition = new BucketLifecycleConfiguration.Transition();
      standardTransition.setDays(20);
      standardTransition.setStorageClass(StorageClass.Standard_IA.toString());
      standardIaTransitions.add(standardTransition);
      standardIaRule.setTransitions(standardIaTransitions);
      standardIaRule.setStatus(BucketLifecycleConfiguration.ENABLED);
      standardIaRule.setExpirationInDays(365);
      
      // Adding two rules to the policy set
      rules.add(deletePrefixRule);
      rules.add(standardIaRule);
      
      // Generating bucketLifecycleConfiguration
      BucketLifecycleConfiguration bucketLifecycleConfiguration =
              new BucketLifecycleConfiguration();
      bucketLifecycleConfiguration.setRules(rules);
      
      // Bucket name in the format of BucketName-APPID
      String bucketName = "examplebucket-1250000000";
      SetBucketLifecycleConfigurationRequest setBucketLifecycleConfigurationRequest =
              new SetBucketLifecycleConfigurationRequest(bucketName, bucketLifecycleConfiguration);
      
      // Configuring the lifecycle configuration
      cosClient.setBucketLifecycleConfiguration(setBucketLifecycleConfigurationRequest);

      Parameter description

      Parameter
      Description
      Type
      bucketName
      Bucket name in the format of BucketName-APPID. For more information, please see Naming Conventions
      String
      bucketLifecycleConfiguration
      Lifecycle configuration
      BucketLifecycleConfiguration

      Response description

      Success: no value is returned.
      Failure: an error (such as authentication failure) occurs, with a CosClientException or CosServiceException exception thrown. For more information, please see Troubleshooting.

      Querying Lifecycle Configuration

      Feature description

      This API is used to query the lifecycle management configuration for a bucket.

      Method prototype

      public BucketLifecycleConfiguration getBucketLifecycleConfiguration(String bucketName)
      throws CosClientException, CosServiceException;
      

      Sample request

      // Entering the bucket name in the format of BucketName-APPID.
      String bucketName = "examplebucket-1250000000";
      BucketLifecycleConfiguration queryLifeCycleRet =
              cosClient.getBucketLifecycleConfiguration(bucketName);
      List<BucketLifecycleConfiguration.Rule> ruleLists = queryLifeCycleRet.getRules();

      Parameter description

      Parameter
      Description
      Type
      bucketName
      Bucket name in the format of BucketName-APPID. For more information, please see Naming Conventions
      String

      Response description

      Success: the BucketLifecycleConfiguration class is returned, which contains the lifecycle rule of the bucket.
      Failure: an error (such as authentication failure) occurs, with a CosClientException or CosServiceException exception thrown. For more information, please see Troubleshooting.

      Deleting Lifecycle Configuration

      Feature description

      This API is used to delete the lifecycle configuration of a Bucket.

      Method prototype

      public void deleteBucketLifecycleConfiguration(String bucketName)
      throws CosClientException, CosServiceException;

      Sample request

      // Bucket name in the format of BucketName-APPID
      String bucketName = "examplebucket-1250000000";
      cosClient.deleteBucketLifecycleConfiguration(bucketName);

      Parameter description

      Parameter
      Description
      Type
      bucketName
      Bucket name in the format of BucketName-APPID. For more information, please see Naming Conventions
      String

      Response description

      Success: no value is returned.
      Failure: an error (such as authentication failure) occurs, with a CosClientException or CosServiceException exception thrown. For more information, please see Troubleshooting.
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