org.apache.nifi.remote.client

Class AbstractPeerPersistence

java.lang.Object

org.apache.nifi.remote.client.AbstractPeerPersistence

All Implemented Interfaces:

PeerPersistence

Direct Known Subclasses:

FilePeerPersistence, StatePeerPersistence

public abstract class AbstractPeerPersistence
extends Object
implements PeerPersistence

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
protected static interface	AbstractPeerPersistence.IOConsumer<T>

Field Summary

Fields

Modifier and Type	Field and Description
protected org.slf4j.Logger	logger
(package private) static String	REMOTE_INSTANCE_URIS_PREFIX

Constructor Summary

Constructors

Constructor and Description
AbstractPeerPersistence()

Method Summary

Modifier and Type	Method and Description
private Set<PeerStatus>	readPeerStatuses(BufferedReader reader)
protected PeerStatusCache	restorePeerStatuses(BufferedReader reader, long cachedTimestamp)
protected void	write(PeerStatusCache peerStatusCache, AbstractPeerPersistence.IOConsumer<String> consumer)

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.nifi.remote.client.PeerPersistence

restore, save

Field Detail

REMOTE_INSTANCE_URIS_PREFIX

static final String REMOTE_INSTANCE_URIS_PREFIX

See Also:

Constant Field Values

logger

protected org.slf4j.Logger logger

Constructor Detail

AbstractPeerPersistence

public AbstractPeerPersistence()

Method Detail

restorePeerStatuses

protected PeerStatusCache restorePeerStatuses(BufferedReader reader,
                                              long cachedTimestamp)
                                       throws IOException

Throws:

IOException

readPeerStatuses

private Set<PeerStatus> readPeerStatuses(BufferedReader reader)
                                  throws IOException

Throws:

IOException

write

protected void write(PeerStatusCache peerStatusCache,
                     AbstractPeerPersistence.IOConsumer<String> consumer)
              throws IOException

Throws:

IOException