public interface RedisListCommands
Modifier and Type | Interface and Description |
---|---|
static class |
RedisListCommands.Position
List insertion position.
|
Modifier and Type | Method and Description |
---|---|
List<byte[]> |
bLPop(int timeout,
byte[]... keys)
Removes and returns first element from lists stored at
keys . |
List<byte[]> |
bRPop(int timeout,
byte[]... keys)
Removes and returns last element from lists stored at
keys . |
byte[] |
bRPopLPush(int timeout,
byte[] srcKey,
byte[] dstKey)
Remove the last element from list at
srcKey , append it to dstKey and return its value. |
byte[] |
lIndex(byte[] key,
long index)
Get element at
index form list at key . |
Long |
lInsert(byte[] key,
RedisListCommands.Position where,
byte[] pivot,
byte[] value)
Insert
value RedisListCommands.Position.BEFORE or RedisListCommands.Position.AFTER existing pivot for key . |
Long |
lLen(byte[] key)
Get the size of list stored at
key . |
byte[] |
lPop(byte[] key)
Removes and returns first element in list stored at
key . |
Long |
lPush(byte[] key,
byte[]... values)
Prepend
values to key . |
Long |
lPushX(byte[] key,
byte[] value)
Prepend
values to key only if the list exists. |
List<byte[]> |
lRange(byte[] key,
long start,
long end)
Get elements between
start and end from list at key . |
Long |
lRem(byte[] key,
long count,
byte[] value)
Removes the first
count occurrences of value from the list stored at key . |
void |
lSet(byte[] key,
long index,
byte[] value)
Set the
value list element at index . |
void |
lTrim(byte[] key,
long start,
long end)
Trim list at
key to elements between start and end . |
byte[] |
rPop(byte[] key)
Removes and returns last element in list stored at
key . |
byte[] |
rPopLPush(byte[] srcKey,
byte[] dstKey)
Remove the last element from list at
srcKey , append it to dstKey and return its value. |
Long |
rPush(byte[] key,
byte[]... values)
Append
values to key . |
Long |
rPushX(byte[] key,
byte[] value)
Append
values to key only if the list exists. |
@Nullable Long rPush(byte[] key, byte[]... values)
values
to key
.key
- must not be null.values
- must not be empty.@Nullable Long lPush(byte[] key, byte[]... values)
values
to key
.key
- must not be null.values
- must not be empty.@Nullable Long rPushX(byte[] key, byte[] value)
values
to key
only if the list exists.key
- must not be null.value
- must not be null.@Nullable Long lPushX(byte[] key, byte[] value)
values
to key
only if the list exists.key
- must not be null.value
- must not be null.@Nullable Long lLen(byte[] key)
key
.key
- must not be null.@Nullable List<byte[]> lRange(byte[] key, long start, long end)
start
and end
from list at key
.key
- must not be null.start
- end
- List
if key does not exists or range does not contain values. null when used in
pipeline / transaction.void lTrim(byte[] key, long start, long end)
key
to elements between start
and end
.key
- must not be null.start
- end
- @Nullable byte[] lIndex(byte[] key, long index)
index
form list at key
.key
- must not be null.index
- zero based index value. Use negative number to designate elements starting at the tail.@Nullable Long lInsert(byte[] key, RedisListCommands.Position where, byte[] pivot, byte[] value)
value
RedisListCommands.Position.BEFORE
or RedisListCommands.Position.AFTER
existing pivot
for key
.key
- must not be null.where
- must not be null.pivot
- must not be null.value
- must not be null.void lSet(byte[] key, long index, byte[] value)
value
list element at index
.key
- must not be null.index
- value
- @Nullable Long lRem(byte[] key, long count, byte[] value)
count
occurrences of value
from the list stored at key
.key
- must not be null.count
- value
- @Nullable byte[] lPop(byte[] key)
key
.key
- must not be null.@Nullable byte[] rPop(byte[] key)
key
.key
- must not be null.@Nullable List<byte[]> bLPop(int timeout, byte[]... keys)
keys
. timeout
reached.timeout
- seconds to block.keys
- must not be null.List
when no element could be popped and the timeout was reached. null when used
in pipeline / transaction.lPop(byte[])
@Nullable List<byte[]> bRPop(int timeout, byte[]... keys)
keys
. timeout
reached.timeout
- seconds to block.keys
- must not be null.List
when no element could be popped and the timeout was reached. null when used
in pipeline / transaction.rPop(byte[])
@Nullable byte[] rPopLPush(byte[] srcKey, byte[] dstKey)
srcKey
, append it to dstKey
and return its value.srcKey
- must not be null.dstKey
- must not be null.@Nullable byte[] bRPopLPush(int timeout, byte[] srcKey, byte[] dstKey)
srcKey
, append it to dstKey
and return its value. timeout
reached.timeout
- seconds to block.srcKey
- must not be null.dstKey
- must not be null.rPopLPush(byte[], byte[])
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