Package org.apache.hadoop.ozone.container.common.impl

Class ContainerDataYaml

java.lang.Object

org.apache.hadoop.ozone.container.common.impl.ContainerDataYaml

public final class ContainerDataYaml
extends Object

Class for creating and reading .container files.

Method Summary

Modifier and Type	Method	Description
static void	createContainerFile(ContainerData containerData, File containerFile)	Creates a .container file in yaml format.
static org.yaml.snakeyaml.Yaml	getYamlForContainerType(org.apache.hadoop.hdds.protocol.datanode.proto.ContainerProtos.ContainerType containerType, boolean withReplicaIndex)	Given a ContainerType this method returns a Yaml representation of the container properties.
static ContainerData	readContainer(byte[] containerFileContent)	Read the yaml file content, and return containerData.
static ContainerData	readContainer(InputStream input)	Read the yaml content, and return containerData.
static ContainerData	readContainerFile(File containerFile)	Read the yaml file, and return containerData.

Methods inherited from class java.lang.Object

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

Method Details

createContainerFile

public static void createContainerFile(ContainerData containerData,
 File containerFile)
                                throws IOException

Creates a .container file in yaml format.

Throws:

IOException

readContainerFile

public static ContainerData readContainerFile(File containerFile)
                                       throws IOException

Read the yaml file, and return containerData.

Throws:

IOException

readContainer

public static ContainerData readContainer(byte[] containerFileContent)
                                   throws IOException

Read the yaml file content, and return containerData.

Throws:

IOException

readContainer

public static ContainerData readContainer(InputStream input)
                                   throws IOException

Read the yaml content, and return containerData.

Throws:

IOException

getYamlForContainerType

public static org.yaml.snakeyaml.Yaml getYamlForContainerType(org.apache.hadoop.hdds.protocol.datanode.proto.ContainerProtos.ContainerType containerType,
 boolean withReplicaIndex)
                                                       throws org.apache.hadoop.hdds.scm.container.common.helpers.StorageContainerException

Given a ContainerType this method returns a Yaml representation of the container properties.

Parameters:

containerType - type of container

withReplicaIndex - in the container yaml

Returns:

Yamal representation of container properties

Throws:

org.apache.hadoop.hdds.scm.container.common.helpers.StorageContainerException - if the type is unrecognized