Package io.github.mfvanek.pg.connection

Class HighAvailabilityPgConnectionImpl

java.lang.Object

io.github.mfvanek.pg.connection.HighAvailabilityPgConnectionImpl

All Implemented Interfaces:

HighAvailabilityPgConnection

public class HighAvailabilityPgConnectionImpl
extends Object
implements HighAvailabilityPgConnection

Implementation of a connection to a high availability cluster (with set of primary host and replicas).

See Also:

• HighAvailabilityPgConnection

Method Summary

Modifier and Type	Method	Description
Set<PgConnection>	getConnectionsToAllHostsInCluster()	Retrieves connections to all hosts in the cluster (including a connection to a primary host).
PgConnection	getConnectionToPrimary()	Retrieves connection to a primary host in the cluster.
static HighAvailabilityPgConnection	of(PgConnection connectionToPrimary)	Constructs a HighAvailabilityPgConnection object with the given PgConnection.
static HighAvailabilityPgConnection	of(PgConnection connectionToPrimary, Collection<PgConnection> connectionsToAllHostsInCluster)	Constructs a HighAvailabilityPgConnection object with the given connections to primary and replicas.
static HighAvailabilityPgConnection	of(PgConnection connectionToPrimary, Collection<PgConnection> connectionsToAllHostsInCluster, long primaryRefreshIntervalMilliseconds)	Constructs a HighAvailabilityPgConnection object with the given connections to primary and replicas and a refresh interval.

Methods inherited from class java.lang.Object

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

Method Details

getConnectionToPrimary

@Nonnull
public PgConnection getConnectionToPrimary()

Retrieves connection to a primary host in the cluster.

Specified by:

getConnectionToPrimary in interface HighAvailabilityPgConnection

Returns:

PgConnection to a primary host in the cluster

getConnectionsToAllHostsInCluster

@Nonnull
public Set<PgConnection> getConnectionsToAllHostsInCluster()

Retrieves connections to all hosts in the cluster (including a connection to a primary host).

Specified by:

getConnectionsToAllHostsInCluster in interface HighAvailabilityPgConnection

Returns:

Set of connections to all hosts in target cluster

of

@Nonnull
public static HighAvailabilityPgConnection of(@Nonnull
 PgConnection connectionToPrimary)

Constructs a HighAvailabilityPgConnection object with the given PgConnection.

Parameters:

connectionToPrimary - connection to the primary host in the single-node cluster.

Returns:

HighAvailabilityPgConnection

of

@Nonnull
public static HighAvailabilityPgConnection of(@Nonnull
 PgConnection connectionToPrimary,
 @Nonnull
 Collection<PgConnection> connectionsToAllHostsInCluster)

Constructs a HighAvailabilityPgConnection object with the given connections to primary and replicas.

Parameters:

connectionToPrimary - connection to the primary host in the cluster.

connectionsToAllHostsInCluster - connections to all replicas in the cluster.

Returns:

HighAvailabilityPgConnection

of

@Nonnull
public static HighAvailabilityPgConnection of(@Nonnull
 PgConnection connectionToPrimary,
 @Nonnull
 Collection<PgConnection> connectionsToAllHostsInCluster,
 long primaryRefreshIntervalMilliseconds)

Constructs a HighAvailabilityPgConnection object with the given connections to primary and replicas and a refresh interval.

Parameters:

connectionToPrimary - connection to the primary host in the cluster.

connectionsToAllHostsInCluster - connections to all replicas in the cluster.

primaryRefreshIntervalMilliseconds - time interval in milliseconds to refresh connection to the primary host.

Returns:

HighAvailabilityPgConnection