java.lang.Object
- com.mongodb.connection.ServerDescription

@Immutable
public class ServerDescription
extends java.lang.Object

Immutable snapshot state of a server.

Since:: 3.0

Nested Class Summary

Nested Classes
Modifier and Type Class Description

static class ServerDescription.Builder
A builder for creating ServerDescription.

Field Summary

Fields
Modifier and Type	Field	Description
`static int`	`MAX_DRIVER_WIRE_VERSION`	The maximum supported driver wire version
`static java.lang.String`	`MIN_DRIVER_SERVER_VERSION`	The minimum supported driver server version
`static int`	`MIN_DRIVER_WIRE_VERSION`	The minimum supported driver wire version

Method Summary

All Methods Static Methods Instance Methods Concrete Methods Deprecated Methods
Modifier and Type	Method	Description
`static ServerDescription.Builder`	`builder()`	Gets a Builder for creating a new ServerDescription instance.
`boolean`	`equals(java.lang.Object o)`	Returns true if this instance is equals to @code{o}.
`ServerAddress`	`getAddress()`	Gets the address of this server
`java.util.Set<java.lang.String>`	`getArbiters()`	Gets the arbiters in the replica set
`java.lang.String`	`getCanonicalAddress()`	Gets the string representing the host name and port that this member of a replica set was configured with, e.g.
`ClusterType`	`getClusterType()`	Gets the type of the cluster this server is in (for example, replica set).
`static int`	`getDefaultMaxDocumentSize()`	Get the default maximum document size.
`static int`	`getDefaultMaxWireVersion()`	Get the default maximum wire version
`static int`	`getDefaultMinWireVersion()`	Get the default minimum wire version
`ObjectId`	`getElectionId()`	The replica set electionid reported by this MongoDB server.
`java.lang.Throwable`	`getException()`	Gets the exception thrown while attempting to determine the server description.
`java.util.Set<java.lang.String>`	`getHosts()`	Get a Set of strings in the format of "[hostname]:[port]" that contains all members of the replica set that are neither hidden, passive, nor arbiters.
`long`	`getLastUpdateTime(java.util.concurrent.TimeUnit timeUnit)`	Gets the time that this server description was created, using a monotonic clock like `System.nanoTime()`.
`java.util.Date`	`getLastWriteDate()`	Gets the last write date.
`java.lang.Integer`	`getLogicalSessionTimeoutMinutes()`	Gets the session timeout in minutes.
`int`	`getMaxDocumentSize()`	The maximum permitted size of a BSON object in bytes for this mongod process.
`int`	`getMaxWireVersion()`	The latest version of the wire protocol that this MongoDB server is capable of using to communicate with clients.
`int`	`getMinWireVersion()`	The earliest version of the wire protocol that this MongoDB server is capable of using to communicate with clients.
`java.util.Set<java.lang.String>`	`getPassives()`	Gets the passive members of the replica set.
`java.lang.String`	`getPrimary()`	Gets the address of the current primary in the replica set
`long`	`getRoundTripTimeNanos()`	Get the time it took to make the round trip for requesting this information from the server in nanoseconds.
`java.lang.String`	`getSetName()`	Gets the name of the replica set
`java.lang.Integer`	`getSetVersion()`	The replica set setVersion reported by this MongoDB server.
`java.lang.String`	`getShortDescription()`	Returns a short, pretty description for this ServerDescription.
`ServerConnectionState`	`getState()`	Gets the current state of the connection to the server.
`TagSet`	`getTagSet()`	A set of all tags assigned to this member.
`ServerType`	`getType()`	Gets the type of the server, for example whether it's a standalone or in a replica set.
`ServerVersion`	`getVersion()`	Deprecated. Use `getMaxWireVersion()` instead
`int`	`hashCode()`
`boolean`	`hasTags(TagSet desiredTags)`	Returns true if the server has the given tags.
`boolean`	`isCompatibleWithDriver()`	Return whether the server is compatible with the driver.
`boolean`	`isIncompatiblyNewerThanDriver()`	Return whether the server is compatible with the driver.
`boolean`	`isIncompatiblyOlderThanDriver()`	Return whether the server is compatible with the driver.
`boolean`	`isOk()`	The isOK() result from requesting this information from the server
`boolean`	`isPrimary()`	Returns whether this can be treated as a primary server.
`boolean`	`isReplicaSetMember()`	Gets whether this server is a replica set member.
`boolean`	`isSecondary()`	Returns whether this can be treated as a secondary server.
`boolean`	`isShardRouter()`	Gets whether this is a server that is the entry point to a sharded instance of MongoDB.
`boolean`	`isStandAlone()`	Gets whether this is part of a replica set/sharded system, or is a single server.
`java.lang.String`	`toString()`

Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, wait, wait, wait

- Field Detail
  - MIN_DRIVER_SERVER_VERSION
```
public static final java.lang.String MIN_DRIVER_SERVER_VERSION
```
    The minimum supported driver server version
    
    Since:
    
    3.8
    
    See Also:
    
    Constant Field Values
  - MIN_DRIVER_WIRE_VERSION
```
public static final int MIN_DRIVER_WIRE_VERSION
```
    The minimum supported driver wire version
    
    Since:
    
    3.8
    
    See Also:
    
    Constant Field Values
  - MAX_DRIVER_WIRE_VERSION
```
public static final int MAX_DRIVER_WIRE_VERSION
```
    The maximum supported driver wire version
    
    Since:
    
    3.8
    
    See Also:
    
    Constant Field Values
- Method Detail
  - builder
```
public static ServerDescription.Builder builder()
```
    Gets a Builder for creating a new ServerDescription instance.
    
    Returns:
    
    a new Builder for ServerDescription.
  - getCanonicalAddress
```
public java.lang.String getCanonicalAddress()
```
    Gets the string representing the host name and port that this member of a replica set was configured with, e.g. "somehost:27019". This is typically derived from the "me" field from the "isMaster" command response.
    
    Returns:
    
    the host name and port that this replica set member is configured with.
  - getLogicalSessionTimeoutMinutes
```
public java.lang.Integer getLogicalSessionTimeoutMinutes()
```
    Gets the session timeout in minutes.
    
    Returns:
    
    the session timeout in minutes, or null if sessions are not supported by this server
    
    Since:
    
    3.6
    
    Since server release
    3.6
  - isCompatibleWithDriver
```
public boolean isCompatibleWithDriver()
```
    Return whether the server is compatible with the driver. An incompatible server is one that has a min wire version greater that the driver's max wire version or a max wire version less than the driver's min wire version.
    
    Returns:
    
    true if the server is compatible with the driver.
  - isIncompatiblyNewerThanDriver
```
public boolean isIncompatiblyNewerThanDriver()
```
    Return whether the server is compatible with the driver. An incompatible server is one that has a min wire version greater that the driver's max wire version or a max wire version less than the driver's min wire version.
    
    Returns:
    
    true if the server is compatible with the driver.
    
    Since:
    
    3.6
  - isIncompatiblyOlderThanDriver
```
public boolean isIncompatiblyOlderThanDriver()
```
    Return whether the server is compatible with the driver. An incompatible server is one that has a min wire version greater that the driver's max wire version or a max wire version less than the driver's min wire version.
    
    Returns:
    
    true if the server is compatible with the driver.
    
    Since:
    
    3.6
  - getDefaultMaxDocumentSize
```
public static int getDefaultMaxDocumentSize()
```
    Get the default maximum document size.
    
    Returns:
    
    the default maximum document size
  - getDefaultMinWireVersion
```
public static int getDefaultMinWireVersion()
```
    Get the default minimum wire version
    
    Returns:
    
    the default minimum wire version
  - getDefaultMaxWireVersion
```
public static int getDefaultMaxWireVersion()
```
    Get the default maximum wire version
    
    Returns:
    
    the default maximum wire version
  - getAddress
```
public ServerAddress getAddress()
```
    Gets the address of this server
    
    Returns:
    
    a ServerAddress containing the details of the address of this server.
  - isReplicaSetMember
```
public boolean isReplicaSetMember()
```
    Gets whether this server is a replica set member.
    
    Returns:
    
    true if this server is part of a replica set
  - isShardRouter
```
public boolean isShardRouter()
```
    Gets whether this is a server that is the entry point to a sharded instance of MongoDB.
    
    Returns:
    
    true if this server is a mongos instance
  - isStandAlone
```
public boolean isStandAlone()
```
    Gets whether this is part of a replica set/sharded system, or is a single server.
    
    Returns:
    
    true if this is a single server
  - isPrimary
```
public boolean isPrimary()
```
    Returns whether this can be treated as a primary server.
    
    Returns:
    
    true if this server is the primary in a replica set, is a mongos, or is a single standalone server
  - isSecondary
```
public boolean isSecondary()
```
    Returns whether this can be treated as a secondary server.
    
    Returns:
    
    true if this server is a secondary in a replica set, is a mongos, or is a single standalone server
  - getHosts
```
public java.util.Set<java.lang.String> getHosts()
```
    Get a Set of strings in the format of "[hostname]:[port]" that contains all members of the replica set that are neither hidden, passive, nor arbiters.
    
    Returns:
    
    all members of the replica set that are neither hidden, passive, nor arbiters.
  - getPassives
```
public java.util.Set<java.lang.String> getPassives()
```
    Gets the passive members of the replica set.
    
    Returns:
    
    A set of strings in the format of "[hostname]:[port]" listing all members of the replica set which have a priority of 0.
  - getArbiters
```
public java.util.Set<java.lang.String> getArbiters()
```
    Gets the arbiters in the replica set
    
    Returns:
    
    A Set of strings in the format of "[hostname]:[port]" containing all members of the replica set that are arbiters.
  - getPrimary
```
public java.lang.String getPrimary()
```
    Gets the address of the current primary in the replica set
    
    Returns:
    
    A string in the format of "[hostname]:[port]" listing the current primary member of the replica set.
  - getMaxDocumentSize
```
public int getMaxDocumentSize()
```
    The maximum permitted size of a BSON object in bytes for this mongod process. Defaults to 16MB.
    
    Returns:
    
    the maximum size a document can be
  - getTagSet
```
public TagSet getTagSet()
```
    A set of all tags assigned to this member.
    
    Returns:
    
    a TagSet with all the tags for this server.
  - getMinWireVersion
```
public int getMinWireVersion()
```
    The earliest version of the wire protocol that this MongoDB server is capable of using to communicate with clients.
    
    Returns:
    
    the minimum protocol version supported by this server
    
    Since server release
    2.6
  - getMaxWireVersion
```
public int getMaxWireVersion()
```
    The latest version of the wire protocol that this MongoDB server is capable of using to communicate with clients.
    
    Returns:
    
    the maximum protocol version supported by this server
    
    Since server release
    2.6
  - getElectionId
```
public ObjectId getElectionId()
```
    The replica set electionid reported by this MongoDB server.
    
    Returns:
    
    the electionId, which may be null
  - getSetVersion
```
public java.lang.Integer getSetVersion()
```
    The replica set setVersion reported by this MongoDB server.
    
    Returns:
    
    the setVersion, which may be null
  - getLastWriteDate
```
@Nullable
public java.util.Date getLastWriteDate()
```
    Gets the last write date.
    
    Returns:
    
    the last write date, which may be null
    
    Since:
    
    3.4
    
    Since server release
    3.4
  - getLastUpdateTime
```
public long getLastUpdateTime(java.util.concurrent.TimeUnit timeUnit)
```
    Gets the time that this server description was created, using a monotonic clock like System.nanoTime().
    
    Parameters:
    
    timeUnit - the time unit
    
    Returns:
    
    the last update time in the given unit
    
    Since:
    
    3.4
  - hasTags
```
public boolean hasTags(TagSet desiredTags)
```
    Returns true if the server has the given tags. A server of either type ServerType.STANDALONE or ServerType.SHARD_ROUTER is considered to have all tags, so this method will always return true for instances of either of those types.
    
    Parameters:
    
    desiredTags - the tags
    
    Returns:
    
    true if this server has the given tags
  - getSetName
```
public java.lang.String getSetName()
```
    Gets the name of the replica set
    
    Returns:
    
    the name of the replica set
  - isOk
```
public boolean isOk()
```
    The isOK() result from requesting this information from the server
    
    Returns:
    
    true if the request executed correctly
  - getState
```
public ServerConnectionState getState()
```
    Gets the current state of the connection to the server.
    
    Returns:
    
    ServerConnectionState representing whether the server has been successfully connected to
  - getType
```
public ServerType getType()
```
    Gets the type of the server, for example whether it's a standalone or in a replica set.
    
    Returns:
    
    the server type
  - getClusterType
```
public ClusterType getClusterType()
```
    Gets the type of the cluster this server is in (for example, replica set).
    
    Returns:
    
    a ClusterType representing the type of the cluster this server is in
  - getVersion
```
@Deprecated
public ServerVersion getVersion()
```
    Deprecated. Use getMaxWireVersion() instead
    
    Gets the server version
    
    Returns:
    
    a ServerVersion representing which version of MongoDB is running on this server
  - getRoundTripTimeNanos
```
public long getRoundTripTimeNanos()
```
    Get the time it took to make the round trip for requesting this information from the server in nanoseconds.
    
    Returns:
    
    the time taken to request the information, in nano seconds
  - getException
```
public java.lang.Throwable getException()
```
    Gets the exception thrown while attempting to determine the server description. This is useful for diagnostic purposed when determining the root cause of a connectivity failure.
    
    Returns:
    
    the exception, which may be null
  - equals
```
public boolean equals(java.lang.Object o)
```
    Returns true if this instance is equals to @code{o}. Note that equality is defined to NOT include the round trip time.
    
    Overrides:
    
    equals in class java.lang.Object
    
    Parameters:
    
    o - the object to compare to
    
    Returns:
    
    true if this instance is equals to @code{o}
  - hashCode
```
public int hashCode()
```
    Overrides:
    
    hashCode in class java.lang.Object
  - toString
```
public java.lang.String toString()
```
    Overrides:
    
    toString in class java.lang.Object
  - getShortDescription
```
public java.lang.String getShortDescription()
```
    Returns a short, pretty description for this ServerDescription.
    
    Returns:
    
    a String containing the most pertinent information about this ServerDescription

Class ServerDescription

Nested Class Summary

Field Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

MIN_DRIVER_SERVER_VERSION

MIN_DRIVER_WIRE_VERSION

MAX_DRIVER_WIRE_VERSION

Method Detail

builder

getCanonicalAddress

getLogicalSessionTimeoutMinutes

isCompatibleWithDriver

isIncompatiblyNewerThanDriver

isIncompatiblyOlderThanDriver

getDefaultMaxDocumentSize

getDefaultMinWireVersion

getDefaultMaxWireVersion

getAddress

isReplicaSetMember

isShardRouter

isStandAlone

isPrimary

isSecondary

getHosts

getPassives

getArbiters

getPrimary

getMaxDocumentSize

getTagSet

getMinWireVersion

getMaxWireVersion

getElectionId

getSetVersion

getLastWriteDate

getLastUpdateTime

hasTags

getSetName

isOk

getState

getType

getClusterType

getVersion

getRoundTripTimeNanos

getException

equals

hashCode

toString

getShortDescription