The MongoDB\Driver\TopologyDescription class

(mongodb >=1.13.0)

はじめに

The MongoDB\Driver\TopologyDescription class is a value object that represents a topology to which the driver is connected. Instances of this class are returned by MongoDB\Driver\Monitoring\TopologyChangedEvent methods.

クラス概要

final class MongoDB\Driver\TopologyDescription {
/* Constants */
const string TYPE_UNKNOWN = "Unknown";
const string TYPE_SINGLE = "Single";
const string TYPE_SHARDED = "Sharded";
const string TYPE_REPLICA_SET_NO_PRIMARY = "ReplicaSetNoPrimary";
const string TYPE_REPLICA_SET_WITH_PRIMARY = "ReplicaSetWithPrimary";
const string TYPE_LOAD_BALANCED = "LoadBalanced";
/* メソッド */
final public getServers(): array
final public getType(): string
final public hasReadableServer(?MongoDB\Driver\ReadPreference $readPreference = null): bool
final public hasWritableServer(): bool
}

定義済み定数

MongoDB\Driver\TopologyDescription::TYPE_UNKNOWN

Unknown topology type, returned by MongoDB\Driver\TopologyDescription::getType().

MongoDB\Driver\TopologyDescription::TYPE_SINGLE

Single server (i.e. direct connection), returned by MongoDB\Driver\TopologyDescription::getType().

MongoDB\Driver\TopologyDescription::TYPE_SHARDED

Sharded cluster, returned by MongoDB\Driver\TopologyDescription::getType().

MongoDB\Driver\TopologyDescription::TYPE_REPLICA_SET_NO_PRIMARY

Replica set with no primary server, returned by MongoDB\Driver\TopologyDescription::getType().

MongoDB\Driver\TopologyDescription::TYPE_REPLICA_SET_WITH_PRIMARY

Replica set with a primary server, returned by MongoDB\Driver\TopologyDescription::getType().

MongoDB\Driver\TopologyDescription::TYPE_LOAD_BALANCED

Load balanced topology, returned by MongoDB\Driver\TopologyDescription::getType().

目次

関連キーワード: 　Driver, TopologyDescription, getType, string, returned, topology, TYPE, final, server, Returns