Uses of Interface
com.devexperts.qd.SubscriptionProvider

Packages that use SubscriptionProvider

Package	Description
com.devexperts.qd	This package contains basic interfaces and other API elements of QD system which shall be sufficient for the client application programmer.
com.devexperts.qd.ng	This package contains next-generation interfaces for data and subscription exchange based on RecordCursor class.
com.devexperts.qd.qtp	This package contains interfaces with default implementations required to create and operate a connection using QTP.
com.devexperts.qd.util	This package contains utility classes which are used by QD, but which do not depend on QD and which do not constitute any separate module or subsystem.

Uses of SubscriptionProvider in com.devexperts.qd

Subinterfaces of SubscriptionProvider in com.devexperts.qd

Modifier and Type	Interface and Description
interface	QDAgent The QDAgent represents an individual data consumer in the QDCollector.

Classes in com.devexperts.qd that implement SubscriptionProvider

Modifier and Type	Class and Description
class	SubscriptionBuffer Deprecated. Use RecordBuffer with a mode of SUBSCRIPTION or HISTORY_SUBSCRIPTION.

Methods in com.devexperts.qd that return SubscriptionProvider

Modifier and Type	Method and Description
SubscriptionProvider	QDDistributor.getAddedSubscriptionProvider() Deprecated. Use QDDistributor.getAddedRecordProvider()
SubscriptionProvider	QDDistributor.getRemovedSubscriptionProvider() Deprecated. Use QDDistributor.getRemovedRecordProvider()

Methods in com.devexperts.qd with parameters of type SubscriptionProvider

Modifier and Type	Method and Description
void	QDErrorHandler.handleSubscriptionError(SubscriptionProvider provider, Throwable t)
void	SubscriptionListener.subscriptionAvailable(SubscriptionProvider provider) Notifies this listener that subscription is available in the specified subscription provider.

Uses of SubscriptionProvider in com.devexperts.qd.ng

Subinterfaces of SubscriptionProvider in com.devexperts.qd.ng

Modifier and Type	Interface and Description
interface	RecordProvider An object that can notify about new records and let retrieve them.

Classes in com.devexperts.qd.ng that implement SubscriptionProvider

Modifier and Type	Class and Description
class	AbstractRecordProvider Bridge class that adapts DataProvider and SubscriptionProvider APIs to RecordProvider API.
class	RecordBuffer Buffers int and obj values of data records.

Uses of SubscriptionProvider in com.devexperts.qd.qtp

Methods in com.devexperts.qd.qtp with parameters of type SubscriptionProvider

Modifier and Type	Method and Description
void	DistributorAdapter.subscriptionAvailable(SubscriptionProvider provider)
protected void	DistributorAdapter.subscriptionChanged(SubscriptionProvider provider, MessageType message)
boolean	MessageVisitor.visitHistoryAddSubscription(SubscriptionProvider provider) Deprecated. use visitSubscription(SubscriptionProvider provider, MessageType MessageType.HISTORY_ADD_SUBSCRIPTION) instead
boolean	AbstractMessageVisitor.visitHistoryAddSubscription(SubscriptionProvider provider)
boolean	MessageVisitor.visitHistoryRemoveSubscription(SubscriptionProvider provider) Deprecated. use visitSubscription(SubscriptionProvider provider, MessageType MessageType.HISTORY_REMOVE_SUBSCRIPTION) instead
boolean	AbstractMessageVisitor.visitHistoryRemoveSubscription(SubscriptionProvider provider)
boolean	MessageVisitor.visitStreamAddSubscription(SubscriptionProvider provider) Deprecated. use visitSubscription(SubscriptionProvider provider, MessageType MessageType.STREAM_ADD_SUBSCRIPTION) instead
boolean	AbstractMessageVisitor.visitStreamAddSubscription(SubscriptionProvider provider)
boolean	MessageVisitor.visitStreamRemoveSubscription(SubscriptionProvider provider) Deprecated. use visitSubscription(SubscriptionProvider provider, MessageType MessageType.STREAM_REMOVE_SUBSCRIPTION) instead
boolean	AbstractMessageVisitor.visitStreamRemoveSubscription(SubscriptionProvider provider)
protected boolean	DistributorAdapter.visitSubscription(MessageVisitor visitor, SubscriptionProvider provider, MessageType message)
boolean	OutputStreamMessageVisitor.visitSubscription(SubscriptionProvider provider, MessageType message)
boolean	OutputStreamComposer.visitSubscription(SubscriptionProvider provider, MessageType type)
boolean	MessageVisitor.visitSubscription(SubscriptionProvider provider, MessageType message) This method consumes available subscription for subscription message from the given subscription provider.
boolean	AbstractQTPComposer.visitSubscription(SubscriptionProvider provider, MessageType type) This method consumes available subscription for subscription message from the given subscription provider.
abstract boolean	AbstractMessageVisitor.visitSubscription(SubscriptionProvider provider, MessageType message) This method consumes available subscription for subscription message from the given subscription provider.
boolean	MessageVisitor.visitTickerAddSubscription(SubscriptionProvider provider) Deprecated. use visitSubscription(SubscriptionProvider provider, MessageType MessageType.TICKER_ADD_SUBSCRIPTION) instead
boolean	AbstractMessageVisitor.visitTickerAddSubscription(SubscriptionProvider provider)
boolean	MessageVisitor.visitTickerRemoveSubscription(SubscriptionProvider provider) Deprecated. use visitSubscription(SubscriptionProvider provider, MessageType MessageType.TICKER_REMOVE_SUBSCRIPTION) instead
boolean	AbstractMessageVisitor.visitTickerRemoveSubscription(SubscriptionProvider provider)

Uses of SubscriptionProvider in com.devexperts.qd.util

Classes in com.devexperts.qd.util that implement SubscriptionProvider

Modifier and Type	Class and Description
class	CompositeRecordProvider This class provides an efficient implementation of composite RecordProvider that listens for multiple RecordProvider instances and on retrieve method invocation only retrieves data from the providers that have data available.

Methods in com.devexperts.qd.util with parameters of type SubscriptionProvider

Modifier and Type	Method and Description
static RecordProvider	LegacyAdapter.of(SubscriptionProvider provider)