com.github.ambry.cloud.azure

Class AzureBlobLayoutStrategy

java.lang.Object

com.github.ambry.cloud.azure.AzureBlobLayoutStrategy

public class AzureBlobLayoutStrategy
extends java.lang.Object

Strategy class that decides where Ambry blobs and tokens are stored in the Azure storage. The decision is governed by two AzureCloudConfig properties:

1. nameSchemeVersion: version of the translation scheme for blob names.
2. blobContainerStrategy: strategy for organizing Azure containers.

Constructor Summary

Constructors

Constructor and Description
AzureBlobLayoutStrategy(java.lang.String clusterName) Test constructor
AzureBlobLayoutStrategy(java.lang.String clusterName, AzureCloudConfig azureCloudConfig) Constuctor for AzureBlobLayoutStrategy.

Method Summary

Modifier and Type	Method and Description
com.github.ambry.cloud.azure.AzureBlobLayoutStrategy.BlobLayout	getDataBlobLayout(com.github.ambry.commons.BlobId blobId)
com.github.ambry.cloud.azure.AzureBlobLayoutStrategy.BlobLayout	getDataBlobLayout(CloudBlobMetadata blobMetadata)
com.github.ambry.cloud.azure.AzureBlobLayoutStrategy.BlobLayout	getTokenBlobLayout(java.lang.String partitionPath, java.lang.String tokenFileName)

Methods inherited from class java.lang.Object

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

Constructor Detail

AzureBlobLayoutStrategy

public AzureBlobLayoutStrategy(java.lang.String clusterName,
                               AzureCloudConfig azureCloudConfig)

Constuctor for AzureBlobLayoutStrategy.

Parameters:

clusterName - Name of the Ambry cluster.

azureCloudConfig - The AzureCloudConfig to use.

Throws:

java.lang.IllegalArgumentException - if invalid config properties are present.

AzureBlobLayoutStrategy

public AzureBlobLayoutStrategy(java.lang.String clusterName)

Test constructor

Method Detail

getDataBlobLayout

public com.github.ambry.cloud.azure.AzureBlobLayoutStrategy.BlobLayout getDataBlobLayout(CloudBlobMetadata blobMetadata)

Parameters:

blobMetadata - the {@link CloudBlobMetadata for the data blob.

Returns:

the BlobLayout for the specified blob.

getDataBlobLayout

public com.github.ambry.cloud.azure.AzureBlobLayoutStrategy.BlobLayout getDataBlobLayout(com.github.ambry.commons.BlobId blobId)

Parameters:

blobId - the id of the blob.

Returns:

the BlobLayout for the specified blob.

getTokenBlobLayout

public com.github.ambry.cloud.azure.AzureBlobLayoutStrategy.BlobLayout getTokenBlobLayout(java.lang.String partitionPath,
                                                                                          java.lang.String tokenFileName)

Parameters:

partitionPath - the lexical partitionId name.

tokenFileName - the name of the token file to store.

Returns:

the BlobLayout for token files in the specified partition.