org.apache.drill.exec.store.dfs

Class WorkspaceSchemaFactory

java.lang.Object

org.apache.drill.exec.store.dfs.WorkspaceSchemaFactory

public class WorkspaceSchemaFactory
extends Object

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	WorkspaceSchemaFactory.TableInstance
class	WorkspaceSchemaFactory.WorkspaceSchema

Constructor Summary

Constructors

Constructor and Description
WorkspaceSchemaFactory(FileSystemPlugin plugin, String schemaName, String storageEngineName, WorkspaceConfig config, List<FormatMatcher> formatMatchers, com.fasterxml.jackson.databind.ObjectMapper mapper, ScanResult scanResult)

Method Summary

Modifier and Type	Method and Description
boolean	accessible(DrillFileSystem fs) Checks whether a FileSystem object has the permission to list/read workspace directory
boolean	accessible(String userName) Checks whether the given user has permission to list files/directories under the workspace directory.
WorkspaceSchemaFactory.WorkspaceSchema	createSchema(List<String> parentSchemaPath, SchemaConfig schemaConfig, DrillFileSystem fs)
FileSystemPlugin	getPlugin()
String	getSchemaName()

Methods inherited from class java.lang.Object

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

Constructor Detail

WorkspaceSchemaFactory

public WorkspaceSchemaFactory(FileSystemPlugin plugin,
                              String schemaName,
                              String storageEngineName,
                              WorkspaceConfig config,
                              List<FormatMatcher> formatMatchers,
                              com.fasterxml.jackson.databind.ObjectMapper mapper,
                              ScanResult scanResult)
                       throws ExecutionSetupException

Throws:

ExecutionSetupException

Method Detail

accessible

public boolean accessible(String userName)
                   throws IOException

Checks whether the given user has permission to list files/directories under the workspace directory.

Parameters:

userName - User who is trying to access the workspace.

Returns:

True if the user has access. False otherwise.

Throws:

IOException

accessible

public boolean accessible(DrillFileSystem fs)
                   throws IOException

Checks whether a FileSystem object has the permission to list/read workspace directory

Parameters:

fs - a DrillFileSystem object that was created with certain user privilege

Returns:

True if the user has access. False otherwise.

Throws:

IOException

createSchema

public WorkspaceSchemaFactory.WorkspaceSchema createSchema(List<String> parentSchemaPath,
                                                           SchemaConfig schemaConfig,
                                                           DrillFileSystem fs)
                                                    throws IOException

Throws:

IOException

getSchemaName

public String getSchemaName()

getPlugin

public FileSystemPlugin getPlugin()