1. class
  2. MongoDB
  3. \
  4. Driver
  5. \
  6. ReadConcern

ReadConcern

Since: 1.1.0

final class ReadConcern implements Serializable (View source)

MongoDB\Driver\ReadConcern controls the level of isolation for read operations for replica sets and replica set shards. This option requires the WiredTiger storage engine and MongoDB 3.2 or later.

Constants

LINEARIZABLE Since: 1.2.0

LOCAL

MAJORITY

AVAILABLE Since: 1.4.0

SNAPSHOT Since: 1.11.0

Methods

__construct(string|null $level = null)

Construct immutable ReadConcern

static 
__set_state(array $properties)

No description

string|null
getLevel()

Returns the ReadConcern's "level" option

PackedArray
bsonSerialize()

Returns an object for BSON serialization

bool
isDefault()

Checks if this is the default read concern

Details

at line 36
final __construct(string|null $level = null)

Construct immutable ReadConcern

Parameters

string|null $level

at line 38
static __set_state(array $properties)

No description

Parameters

array $properties

at line 46
final string|null getLevel()

Since: 1.0.0

Returns the ReadConcern's "level" option

Return Value

string|null

at line 53
final PackedArray bsonSerialize()

Since: 1.2.0

Returns an object for BSON serialization

Return Value

PackedArray

at line 61
final bool isDefault()

Since: 1.3.0

Checks if this is the default read concern

Return Value

bool

Exceptions

InvalidArgumentException