org.jredis.ri.alphazero.support

Class SortSupport

java.lang.Object

org.jredis.ri.alphazero.support.SortSupport

All Implemented Interfaces:

Query, Sort

public abstract class SortSupport
extends java.lang.Object
implements Sort

Nested Class Summary

Nested classes/interfaces inherited from interface org.jredis.Query

Query.Support

Field Summary

Fields

Modifier and Type	Field and Description
private java.util.List<byte[]>	alphaSpec
static byte	ASCII_ZERO
private java.util.List<byte[]>	bySpec
static byte	COUNT_BYTE
static byte[]	CRLF
static int	CRLF_LEN
static int	DELIMETER_LEN
private java.util.List<byte[]>	descSpec
static byte	ERR_BYTE
private java.util.List<byte[]>	getSpec
protected byte[]	keyBytes
private java.util.List<byte[]>	limitSpec
static byte	NUM_BYTE
static byte	OK_BYTE
static byte	SIZE_BYTE
static byte[]	SPACE
protected boolean	stores
private java.util.List<byte[]>	storeSpec

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	SortSupport(byte[] validatedKeyBytes)

Method Summary

Modifier and Type	Method and Description
Sort	ALPHA() sort is be default numeric -- use this to indicate lexiographic alphanumeric sort
private byte[][]	buildSortCmd()
<K> Sort	BY(K pattern) species the BY clause
Sort	DESC() default sort is ASCending -- use this in your sort to specify DESC sort
java.util.List<byte[]>	exec() Executes the query.
java.util.concurrent.Future<java.util.List<byte[]>>	execAsync()
protected abstract java.util.concurrent.Future<java.util.List<byte[]>>	execAsyncSort(byte[]... fullSortCmd)
protected abstract java.util.concurrent.Future<java.util.List<byte[]>>	execAsyncSortStore(byte[]... fullSortCmd)
protected abstract java.util.List<byte[]>	execSort(byte[]... fullSortCmd)
protected abstract java.util.List<byte[]>	execSortStore(byte[]... fullSortCmd)
<K> Sort	GET(K pattern) specifies the GET clause
Sort	LIMIT(long from, long count) Specifies the LIMIT class: from is the initial index, count is the number of results
<K> Sort	STORE(K destKey) Store the sort results in another key

Methods inherited from class java.lang.Object

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

Field Detail

stores

protected volatile boolean stores

keyBytes

protected final byte[] keyBytes

CRLF

public static final byte[] CRLF

SPACE

public static final byte[] SPACE

CRLF_LEN

public static final int CRLF_LEN

DELIMETER_LEN

public static final int DELIMETER_LEN

ERR_BYTE

public static final byte ERR_BYTE

See Also:

Constant Field Values

OK_BYTE

public static final byte OK_BYTE

See Also:

Constant Field Values

COUNT_BYTE

public static final byte COUNT_BYTE

See Also:

Constant Field Values

SIZE_BYTE

public static final byte SIZE_BYTE

See Also:

Constant Field Values

NUM_BYTE

public static final byte NUM_BYTE

See Also:

Constant Field Values

ASCII_ZERO

public static final byte ASCII_ZERO

See Also:

Constant Field Values

alphaSpec

private java.util.List<byte[]> alphaSpec

descSpec

private java.util.List<byte[]> descSpec

getSpec

private java.util.List<byte[]> getSpec

bySpec

private java.util.List<byte[]> bySpec

limitSpec

private java.util.List<byte[]> limitSpec

storeSpec

private java.util.List<byte[]> storeSpec

Constructor Detail

SortSupport

protected SortSupport(byte[] validatedKeyBytes)

Method Detail

ALPHA

public Sort ALPHA()

Description copied from interface: Sort

sort is be default numeric -- use this to indicate lexiographic alphanumeric sort

Specified by:

ALPHA in interface Sort

DESC

public Sort DESC()

Description copied from interface: Sort

default sort is ASCending -- use this in your sort to specify DESC sort

Specified by:

DESC in interface Sort

BY

public <K> Sort BY(K pattern)

Description copied from interface: Sort

species the BY clause

Specified by:

BY in interface Sort

GET

public <K> Sort GET(K pattern)

Description copied from interface: Sort

specifies the GET clause

Specified by:

GET in interface Sort

LIMIT

public Sort LIMIT(long from,
                  long count)

Description copied from interface: Sort

Specifies the LIMIT class: from is the initial index, count is the number of results

Specified by:

LIMIT in interface Sort

Parameters:

from - limit sort results to element at index 'from'

count - limit sort results to count - results will be result[from] to result[from+count], inclusve.

STORE

public <K> Sort STORE(K destKey)

Store the sort results in another key

Specified by:

STORE in interface Sort

buildSortCmd

private final byte[][] buildSortCmd()

exec

public java.util.List<byte[]> exec()
                            throws java.lang.IllegalStateException,
                                   RedisException

Description copied from interface: Query

Executes the query.

Specified by:

exec in interface Query

Returns:

the resultant value list from redis.

Throws:

java.lang.IllegalStateException

RedisException

execAsync

public java.util.concurrent.Future<java.util.List<byte[]>> execAsync()

Specified by:

execAsync in interface Query

execSort

protected abstract java.util.List<byte[]> execSort(byte[]... fullSortCmd)
                                            throws java.lang.IllegalStateException,
                                                   RedisException

Throws:

java.lang.IllegalStateException

RedisException

execSortStore

protected abstract java.util.List<byte[]> execSortStore(byte[]... fullSortCmd)
                                                 throws java.lang.IllegalStateException,
                                                        RedisException

Throws:

java.lang.IllegalStateException

RedisException

execAsyncSort

protected abstract java.util.concurrent.Future<java.util.List<byte[]>> execAsyncSort(byte[]... fullSortCmd)

execAsyncSortStore

protected abstract java.util.concurrent.Future<java.util.List<byte[]>> execAsyncSortStore(byte[]... fullSortCmd)