Package com.redis.om.spring.ops.pds

Class BloomOperationsImpl<K>

java.lang.Object

com.redis.om.spring.ops.pds.BloomOperationsImpl<K>

All Implemented Interfaces:

BloomOperations<K>

public class BloomOperationsImpl<K>
extends Object
implements BloomOperations<K>

Constructor Summary

Constructors

Constructor	Description
BloomOperationsImpl(RedisModulesClient client)

Method Summary

Modifier and Type	Method	Description
boolean	add(K name, String value)	Adds an item to the filter
List<Boolean>	addMulti(K name, String... values)	Add one or more items to a filter
void	createFilter(K name, long initCapacity, double errorRate)	Reserve a bloom filter.
boolean	exists(K name, String value)	Check if an item exists in the filter
List<Boolean>	existsMulti(K name, String... values)	Check if one or more items exist in the filter
Map<String,Object>	info(K name)	Get information about the filter
List<Boolean>	insert(K name, redis.clients.jedis.bloom.BFInsertParams options, String... items)	add one or more items to the bloom filter, by default creating it if it does not yet exist

Methods inherited from class java.lang.Object

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

Constructor Details

BloomOperationsImpl

public BloomOperationsImpl(RedisModulesClient client)

Method Details

createFilter

public void createFilter(K name,
 long initCapacity,
 double errorRate)

Description copied from interface: BloomOperations

Reserve a bloom filter.

Specified by:

createFilter in interface BloomOperations<K>

Parameters:

name - The key of the filter

initCapacity - Optimize for this many items

errorRate - The desired rate of false positives Note that if a filter is not reserved, a new one is created when is called.

add

public boolean add(K name,
 String value)

Description copied from interface: BloomOperations

Adds an item to the filter

Specified by:

add in interface BloomOperations<K>

Parameters:

name - The name of the filter

value - The value to add to the filter

Returns:

true if the item was not previously in the filter.

insert

public List<Boolean> insert(K name,
 redis.clients.jedis.bloom.BFInsertParams options,
 String... items)

Description copied from interface: BloomOperations

add one or more items to the bloom filter, by default creating it if it does not yet exist

Specified by:

insert in interface BloomOperations<K>

Parameters:

name - The name of the filter

options - BFInsertParams

items - items to add to the filter

Returns:

array of booleans, true for each succesful insertion

addMulti

public List<Boolean> addMulti(K name,
 String... values)

Description copied from interface: BloomOperations

Add one or more items to a filter

Specified by:

addMulti in interface BloomOperations<K>

Parameters:

name - Name of the filter

values - values to add to the filter.

Returns:

An array of booleans of the same length as the number of values. Each boolean values indicates whether the corresponding element was previously in the filter or not. A true value means the item did not previously exist, whereas a false value means it may have previously existed.

exists

public boolean exists(K name,
 String value)

Description copied from interface: BloomOperations

Check if an item exists in the filter

Specified by:

exists in interface BloomOperations<K>

Parameters:

name - Name (key) of the filter

value - Value to check for

Returns:

true if the item may exist in the filter, false if the item does not exist in the filter

existsMulti

public List<Boolean> existsMulti(K name,
 String... values)

Description copied from interface: BloomOperations

Check if one or more items exist in the filter

Specified by:

existsMulti in interface BloomOperations<K>

Parameters:

name - Name of the filter to check

values - values to check for

Returns:

An array of booleans. A true value means the corresponding value may exist, false means it does not exist

info

public Map<String,Object> info(K name)

Description copied from interface: BloomOperations

Get information about the filter

Specified by:

info in interface BloomOperations<K>

Parameters:

name - the name of the filter

Returns:

Return information