io.lettuce.core.array

Class ArrayInfo

java.lang.Object

io.lettuce.core.array.ArrayInfo

Direct Known Subclasses:

ArrayInfoFull

@Experimental
public class ArrayInfo
extends Object

Immutable representation of metadata about a Redis array, returned by the ARINFO command.

Known fields are available via typed getters. The raw server map is accessible via getInfo() so callers can read fields added in future server versions without requiring a client release.

Since:

7.6

Author:

Aleksandar Todorov

See Also:

Redis Documentation: ARINFO

Field Summary

Fields

Modifier and Type	Field and Description
static String	COUNT
static String	DIRECTORY_SIZE
static String	LEN
static String	NEXT_INSERT_INDEX
static String	SLICE_SIZE
static String	SLICES
static String	SUPER_DIR_ENTRIES

Constructor Summary

Constructors

Constructor and Description
ArrayInfo(Map<String,Object> map) Creates a new ArrayInfo from the raw server response map.

Method Summary

Modifier and Type	Method and Description
Long	getCount()
Long	getDirectorySize()
Map<String,Object>	getInfo() Returns the raw server response map.
Long	getLen()
Long	getNextInsertIndex()
Long	getSlices()
Long	getSliceSize()
Long	getSuperDirEntries()

Methods inherited from class java.lang.Object

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

Field Detail

COUNT

public static final String COUNT

See Also:

Constant Field Values

LEN

public static final String LEN

See Also:

Constant Field Values

NEXT_INSERT_INDEX

public static final String NEXT_INSERT_INDEX

See Also:

Constant Field Values

SLICES

public static final String SLICES

See Also:

Constant Field Values

DIRECTORY_SIZE

public static final String DIRECTORY_SIZE

See Also:

Constant Field Values

SUPER_DIR_ENTRIES

public static final String SUPER_DIR_ENTRIES

See Also:

Constant Field Values

SLICE_SIZE

public static final String SLICE_SIZE

See Also:

Constant Field Values

Constructor Detail

ArrayInfo

public ArrayInfo(Map<String,Object> map)

Creates a new ArrayInfo from the raw server response map.

Parameters:

map - the raw key-value pairs from the ARINFO response.

Method Detail

getInfo

public Map<String,Object> getInfo()

Returns the raw server response map. Useful for accessing fields added in future server versions.

Returns:

an unmodifiable map of all fields returned by the server.

getCount

public Long getCount()

Returns:

the number of populated (non-empty) slots in the array, or null if not available.

getLen

public Long getLen()

Returns:

the logical length of the array (max index + 1), or null if not available.

getNextInsertIndex

public Long getNextInsertIndex()

Returns:

the next index that will be used by ARINSERT, or null if not available.

getSlices

public Long getSlices()

Returns:

the number of internal slices, or null if not available.

getDirectorySize

public Long getDirectorySize()

Returns:

the size of the internal directory, or null if not available.

getSuperDirEntries

public Long getSuperDirEntries()

Returns:

the number of super-directory entries, or null if not available.

getSliceSize

public Long getSliceSize()

Returns:

the size of each internal slice (default 4096), or null if not available.