cz.o2.proxima.direct.pubsub

Class PubSubWriter

java.lang.Object

cz.o2.proxima.storage.AbstractStorage

cz.o2.proxima.direct.core.AbstractAttributeWriter

cz.o2.proxima.direct.core.AbstractOnlineAttributeWriter

cz.o2.proxima.direct.pubsub.PubSubWriter

All Implemented Interfaces:

AttributeWriterBase, OnlineAttributeWriter, java.lang.AutoCloseable

@Stable
class PubSubWriter
extends AbstractOnlineAttributeWriter
implements OnlineAttributeWriter

A OnlineAttributeWriter for Google PubSub.

Nested Class Summary

Nested classes/interfaces inherited from class cz.o2.proxima.storage.AbstractStorage

cz.o2.proxima.storage.AbstractStorage.SerializableAbstractStorage

Nested classes/interfaces inherited from interface cz.o2.proxima.direct.core.OnlineAttributeWriter

OnlineAttributeWriter.Factory<T extends OnlineAttributeWriter>

Nested classes/interfaces inherited from interface cz.o2.proxima.direct.core.AttributeWriterBase

AttributeWriterBase.Type

Field Summary

Fields

Modifier and Type	Field and Description
private PubSubAccessor	accessor
private boolean	closed
private Context	context
private java.util.concurrent.ExecutorService	executor
private java.lang.Object	flightLock
private java.util.concurrent.atomic.AtomicInteger	inflight
private boolean	initialized
private com.google.cloud.pubsub.v1.Publisher	publisher

Constructor Summary

Constructors

Constructor and Description
PubSubWriter(PubSubAccessor accessor, Context context)

Method Summary

Modifier and Type	Method and Description
OnlineAttributeWriter.Factory<?>	asFactory()
void	close()
(package private) void	initialize()
(package private) com.google.cloud.pubsub.v1.Publisher	newPublisher(java.lang.String project, java.lang.String topic)
void	write(cz.o2.proxima.storage.StreamElement data, CommitCallback statusCallback)

Methods inherited from class cz.o2.proxima.storage.AbstractStorage

equals, getEntityDescriptor, getUri, hashCode

Methods inherited from class java.lang.Object

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

Methods inherited from interface cz.o2.proxima.direct.core.OnlineAttributeWriter

getType, isTransactional, rollback, transactional

Methods inherited from interface cz.o2.proxima.direct.core.AttributeWriterBase

bulk, getUri, online

Field Detail

accessor

private final PubSubAccessor accessor

context

private final Context context

inflight

private final java.util.concurrent.atomic.AtomicInteger inflight

flightLock

private final java.lang.Object flightLock

closed

private volatile boolean closed

initialized

private transient boolean initialized

publisher

private transient com.google.cloud.pubsub.v1.Publisher publisher

executor

private transient java.util.concurrent.ExecutorService executor

Constructor Detail

PubSubWriter

PubSubWriter(PubSubAccessor accessor,
             Context context)

Method Detail

initialize

void initialize()

newPublisher

com.google.cloud.pubsub.v1.Publisher newPublisher(java.lang.String project,
                                                  java.lang.String topic)
                                           throws java.io.IOException

Throws:

java.io.IOException

write

public void write(cz.o2.proxima.storage.StreamElement data,
                  CommitCallback statusCallback)

Specified by:

write in interface OnlineAttributeWriter

asFactory

public OnlineAttributeWriter.Factory<?> asFactory()

Specified by:

asFactory in interface AttributeWriterBase

Specified by:

asFactory in interface OnlineAttributeWriter

close

public void close()

Specified by:

close in interface AttributeWriterBase

Specified by:

close in interface java.lang.AutoCloseable

Overrides:

close in class AbstractOnlineAttributeWriter