Package org.apache.pulsar.common.policies.impl

Class NamespaceIsolationPolicyImpl

java.lang.Object

org.apache.pulsar.common.policies.impl.NamespaceIsolationPolicyImpl

All Implemented Interfaces:

NamespaceIsolationPolicy

public class NamespaceIsolationPolicyImpl
extends Object
implements NamespaceIsolationPolicy

Implementation of the namespace isolation policy.

Constructor Summary

Constructors

Constructor	Description
NamespaceIsolationPolicyImpl(NamespaceIsolationData policyData)

Method Summary

Modifier and Type	Method	Description
boolean	equals(Object obj)
List<URL>	findPrimaryBrokers(List<URL> availableBrokers, NamespaceName namespace)	Get the list of primary brokers for the namespace according to the policy.
List<URL>	findSecondaryBrokers(List<URL> availableBrokers, NamespaceName namespace)	Get the list of secondary brokers for the namespace according to the policy.
SortedSet<BrokerStatus>	getAvailablePrimaryBrokers(SortedSet<BrokerStatus> primaryCandidates)	According to the namespace isolation policy, find the allowed available primary brokers.
List<String>	getPrimaryBrokers()	Get the list of regex for the set of primary brokers.
List<String>	getSecondaryBrokers()	Get the list of regex for the set of secondary brokers.
int	hashCode()
boolean	isPrimaryBroker(String broker)	Check to see whether the specific host is a primary broker.
boolean	isPrimaryBrokerAvailable(BrokerStatus brkStatus)
boolean	isSecondaryBroker(String broker)	Check to see whether the specific host is a secondary broker.
boolean	shouldFailover(int totalPrimaryResourceUnits)	Check to see whether the primary brokers can still handle a new namespace or has to failover.
boolean	shouldFailover(SortedSet<BrokerStatus> brokerStatus)	Check to see whether the primary brokers can still handle a new namespace or has to failover.
boolean	shouldFallback(SortedSet<BrokerStatus> primaryBrokers)	Check to see whether the namespace ownership should fallback to the primary brokers.
String	toString()

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Details

NamespaceIsolationPolicyImpl

public NamespaceIsolationPolicyImpl(NamespaceIsolationData policyData)

Method Details

getPrimaryBrokers

public List<String> getPrimaryBrokers()

Description copied from interface: NamespaceIsolationPolicy

Get the list of regex for the set of primary brokers.

Specified by:

getPrimaryBrokers in interface NamespaceIsolationPolicy

Returns:

getSecondaryBrokers

public List<String> getSecondaryBrokers()

Description copied from interface: NamespaceIsolationPolicy

Get the list of regex for the set of secondary brokers.

Specified by:

getSecondaryBrokers in interface NamespaceIsolationPolicy

Returns:

findPrimaryBrokers

public List<URL> findPrimaryBrokers(List<URL> availableBrokers,
 NamespaceName namespace)

Description copied from interface: NamespaceIsolationPolicy

Get the list of primary brokers for the namespace according to the policy.

Specified by:

findPrimaryBrokers in interface NamespaceIsolationPolicy

Parameters:

availableBrokers - brokers identified by service URL.

namespace - the namespace

Returns:

a list brokers by service URL.

findSecondaryBrokers

public List<URL> findSecondaryBrokers(List<URL> availableBrokers,
 NamespaceName namespace)

Description copied from interface: NamespaceIsolationPolicy

Get the list of secondary brokers for the namespace according to the policy.

Specified by:

findSecondaryBrokers in interface NamespaceIsolationPolicy

Parameters:

availableBrokers - brokers identified by service URL.

namespace - the namespace

Returns:

a list brokers by service URL.

shouldFallback

public boolean shouldFallback(SortedSet<BrokerStatus> primaryBrokers)

Description copied from interface: NamespaceIsolationPolicy

Check to see whether the namespace ownership should fallback to the primary brokers.

Specified by:

shouldFallback in interface NamespaceIsolationPolicy

Returns:

isPrimaryBroker

public boolean isPrimaryBroker(String broker)

Description copied from interface: NamespaceIsolationPolicy

Check to see whether the specific host is a primary broker.

Specified by:

isPrimaryBroker in interface NamespaceIsolationPolicy

Returns:

isSecondaryBroker

public boolean isSecondaryBroker(String broker)

Description copied from interface: NamespaceIsolationPolicy

Check to see whether the specific host is a secondary broker.

Specified by:

isSecondaryBroker in interface NamespaceIsolationPolicy

Returns:

hashCode

public int hashCode()

Overrides:

hashCode in class Object

equals

public boolean equals(Object obj)

Overrides:

equals in class Object

getAvailablePrimaryBrokers

public SortedSet<BrokerStatus> getAvailablePrimaryBrokers(SortedSet<BrokerStatus> primaryCandidates)

Description copied from interface: NamespaceIsolationPolicy

According to the namespace isolation policy, find the allowed available primary brokers.

Specified by:

getAvailablePrimaryBrokers in interface NamespaceIsolationPolicy

Returns:

shouldFailover

public boolean shouldFailover(SortedSet<BrokerStatus> brokerStatus)

Description copied from interface: NamespaceIsolationPolicy

Check to see whether the primary brokers can still handle a new namespace or has to failover.

Specified by:

shouldFailover in interface NamespaceIsolationPolicy

Returns:

shouldFailover

public boolean shouldFailover(int totalPrimaryResourceUnits)

Description copied from interface: NamespaceIsolationPolicy

Check to see whether the primary brokers can still handle a new namespace or has to failover.

Specified by:

shouldFailover in interface NamespaceIsolationPolicy

Returns:

isPrimaryBrokerAvailable

public boolean isPrimaryBrokerAvailable(BrokerStatus brkStatus)

Specified by:

isPrimaryBrokerAvailable in interface NamespaceIsolationPolicy

toString

public String toString()

Overrides:

toString in class Object