velox.api.layer1.messages.indicators

Interface DataStructureInterface

public interface DataStructureInterface

Interface used by strategies to interact with data structure

Nested Class Summary

Nested Classes

Modifier and Type	Interface and Description
static class	DataStructureInterface.StandardEvents
static class	DataStructureInterface.TreeResponseInterval Tree structure response for given interval

Method Summary

Modifier and Type	Method and Description
java.util.List<DataStructureInterface.TreeResponseInterval>	get(java.lang.Class<?> strategyClass, java.lang.String generatorName, long t0, long intervalWidth, int intervalNumber, java.lang.String alias, java.lang.Class<?>[] customEvents) Query for custom events.
java.util.List<java.lang.Object>	get(java.lang.Class<?> strategyClass, java.lang.String generatorName, long t0, long t1, java.lang.String alias) Query for custom events.
java.util.List<? extends CustomGeneratedEvent>	get(java.lang.Class<?> strategyClass, java.lang.String generatorName, long t1, java.lang.String alias)
DataStructureInterface.TreeResponseInterval	get(java.lang.Class<?> strategyClass, java.lang.String generatorName, long t1, java.lang.String alias, java.lang.Class<?>[] customEvents) Similar to get(Class, String, long, long, int, String, Class[]) but returns a single aggregation from the first event to t1.
java.util.ArrayList<DataStructureInterface.TreeResponseInterval>	get(long t0, long intervalWidth, int intervalNumber, java.lang.String alias, DataStructureInterface.StandardEvents[] interestedEvents) Query for standard events Returns list, containing aggregation from start time to t0 exclusive, followed by list of aggregations for the interval [t0, t0 + intervalWidth * intervalNumbers), divided by intervalNumber parts
DataStructureInterface.TreeResponseInterval	get(long t1, java.lang.String alias, DataStructureInterface.StandardEvents[] interestedEvents) Similar to get(long, long, int, String, StandardEvents[]) but returns a single aggregation from the first event to t1.

Method Detail

get

java.util.ArrayList<DataStructureInterface.TreeResponseInterval> get(long t0,
                                                                     long intervalWidth,
                                                                     int intervalNumber,
                                                                     java.lang.String alias,
                                                                     DataStructureInterface.StandardEvents[] interestedEvents)

Query for standard events Returns list, containing aggregation from start time to t0 exclusive, followed by list of aggregations for the interval [t0, t0 + intervalWidth * intervalNumbers), divided by intervalNumber parts

Parameters:

t0 - start time (inclusive)

intervalWidth -

intervalNumber -

alias -

interestedEvents - array of standard tree events that should be returned

Returns:

0th element is aggregation from start time to t0 exclusive elements 1 to intervalNumber are aggregations of following intervals

get

java.util.List<DataStructureInterface.TreeResponseInterval> get(java.lang.Class<?> strategyClass,
                                                                java.lang.String generatorName,
                                                                long t0,
                                                                long intervalWidth,
                                                                int intervalNumber,
                                                                java.lang.String alias,
                                                                java.lang.Class<?>[] customEvents)

Query for custom events. All events in this request must be generated by the same generator, owned by this strategy. If you need events from more then 1 generator, do multiple gets Returns list, containing aggregation from start time to t0 exclusive, followed by list of aggregations for the interval [t0, t0 + intervalWidth * intervalNumbers), divided by intervalNumber parts

Parameters:

strategyClass - class of strategy that owns generator

generatorName - name of generator that generated events (same as one given to Layer1ApiUserMessageAddStrategyUpdateGenerator) constructor

t0 - start time (inclusive)

intervalWidth -

intervalNumber -

alias -

customEvents - array of value classes (provided in GeneratedEventInfo.valueClass) for custom events you want to retrieve

Returns:

0th element is aggregation from start time to t0 exclusive elements 1 to intervalNumber are aggregations of following intervals

get

java.util.List<java.lang.Object> get(java.lang.Class<?> strategyClass,
                                     java.lang.String generatorName,
                                     long t0,
                                     long t1,
                                     java.lang.String alias)
                              throws java.lang.IllegalArgumentException

Query for custom events. Returns all events in range [t0, t1), generated by this generator

Parameters:

strategyClass - class of strategy that owns generator

generatorName - name of generator that generated events (same as one given to Layer1ApiUserMessageAddStrategyUpdateGenerator) constructor

t0 - start time (inclusive)

t1 - end time (exclusive)

alias -

Returns:

list of events, created by generator in time range [-inf, t1]. Events are sorted in order they were generated and have ascending CustomGeneratedEvent.getTime()

Throws:

java.lang.IllegalArgumentException - if this generator uses aggregated events

get

DataStructureInterface.TreeResponseInterval get(long t1,
                                                java.lang.String alias,
                                                DataStructureInterface.StandardEvents[] interestedEvents)

Similar to get(long, long, int, String, StandardEvents[]) but returns a single aggregation from the first event to t1. [-inf, t1]

Parameters:

t1 -

alias -

interestedEvents - array of standard tree events that should be returned

Returns:

aggregation [-inf, t1] for given events

get

DataStructureInterface.TreeResponseInterval get(java.lang.Class<?> strategyClass,
                                                java.lang.String generatorName,
                                                long t1,
                                                java.lang.String alias,
                                                java.lang.Class<?>[] customEvents)

Similar to get(Class, String, long, long, int, String, Class[]) but returns a single aggregation from the first event to t1. [-inf, t1]

Parameters:

strategyClass - class of strategy that owns generator

generatorName - name of generator that generated events (same as one given to Layer1ApiUserMessageAddStrategyUpdateGenerator) constructor

t1 -

alias -

customEvents - array of value classes (provided in GeneratedEventInfo.valueClass) for custom events you want to retrieve

Returns:

aggregation [-inf, t1] for given events

get

java.util.List<? extends CustomGeneratedEvent> get(java.lang.Class<?> strategyClass,
                                                   java.lang.String generatorName,
                                                   long t1,
                                                   java.lang.String alias)
                                            throws java.lang.IllegalArgumentException

Parameters:

strategyClass - class of strategy that owns generator

generatorName - name of generator that generated events (same as one given to Layer1ApiUserMessageAddStrategyUpdateGenerator) constructor

t1 -

alias -

Returns:

list of events, created by generator in time range [-inf, t1]. Events are sorted in order they were generated and have ascending CustomGeneratedEvent.getTime()

Throws:

java.lang.IllegalArgumentException - if this generator uses aggregated events