Package io.deephaven.enterprise.tabledataservice

Class OnDiskTableDataService

java.lang.Object

io.deephaven.engine.table.impl.locations.impl.AbstractTableDataService

io.deephaven.enterprise.tabledataservice.OnDiskTableDataService

All Implemented Interfaces:

TableDataService, NamedImplementation

public class OnDiskTableDataService
extends AbstractTableDataService

A TableDataService implementation that expects data to be located on a local filesystem.

Field Summary

Fields

Modifier and Type	Field	Description
static final String	CORE_PLUS
static final String	CORE_PLUS_HIVE_TYPE
static final String	PARQUET_EXTENDED_PREFIX
static final String	PARQUET_FLAT_TYPE
static final String	PARQUET_KV_TYPE
static final String	PARQUET_METADATA_TYPE

Constructor Summary

Constructors

Constructor	Description
OnDiskTableDataService(@NotNull Logger log, @Nullable String name, @NotNull Path storageRoot, @NotNull io.deephaven.shadow.enterprise.com.illumon.iris.db.schema.SchemaService schemaService, boolean allowRefreshingUserTables)	Construct a TableDataService that sources tables from the local filesystem.

Method Summary

Modifier and Type	Method	Description
io.deephaven.shadow.enterprise.com.illumon.iris.db.v2.locations.local.LocalTablePathManager	getPathManager()
protected @NotNull TableLocationProvider	makeTableLocationProvider(@NotNull TableKey tableKey)
String	toString()

Methods inherited from class io.deephaven.engine.table.impl.locations.impl.AbstractTableDataService

getName, getTableLocationProvider, reset, reset

Methods inherited from class java.lang.Object

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

Methods inherited from interface io.deephaven.util.type.NamedImplementation

getImplementationName

Methods inherited from interface io.deephaven.engine.table.impl.locations.TableDataService

describe

Field Details

PARQUET_EXTENDED_PREFIX

public static final String PARQUET_EXTENDED_PREFIX

See Also:

• Constant Field Values

PARQUET_METADATA_TYPE

public static final String PARQUET_METADATA_TYPE

See Also:

• Constant Field Values

PARQUET_KV_TYPE

public static final String PARQUET_KV_TYPE

See Also:

• Constant Field Values

PARQUET_FLAT_TYPE

public static final String PARQUET_FLAT_TYPE

See Also:

• Constant Field Values

CORE_PLUS

public static final String CORE_PLUS

See Also:

• Constant Field Values

CORE_PLUS_HIVE_TYPE

public static final String CORE_PLUS_HIVE_TYPE

See Also:

• Constant Field Values

Constructor Details

OnDiskTableDataService

public OnDiskTableDataService(@NotNull
 @NotNull Logger log,
 @Nullable
 @Nullable String name,
 @NotNull
 @NotNull Path storageRoot,
 @NotNull
 @NotNull io.deephaven.shadow.enterprise.com.illumon.iris.db.schema.SchemaService schemaService,
 boolean allowRefreshingUserTables)

Construct a TableDataService that sources tables from the local filesystem.

Parameters:

log - A logger for logging

name - The service name (optional)

storageRoot - The root of the database on the filesystem

schemaService - The SchemaService to use for locating TableDefinitions

Method Details

makeTableLocationProvider

@NotNull
protected @NotNull TableLocationProvider makeTableLocationProvider(@NotNull
 @NotNull TableKey tableKey)

Specified by:

makeTableLocationProvider in class AbstractTableDataService

getPathManager

@InternalUseOnly
@VisibleForTesting
public io.deephaven.shadow.enterprise.com.illumon.iris.db.v2.locations.local.LocalTablePathManager getPathManager()

toString

public String toString()

Overrides:

toString in class Object