com.meizu.cloud.pushsdk.pushtracer.storage

类 EventStore

java.lang.Object

com.meizu.cloud.pushsdk.pushtracer.storage.EventStore

所有已实现的接口:

Store

public class EventStore
extends java.lang.Object
implements Store

Created by liaojinlong on 16-4-14.

构造器概要

构造器

构造器和说明
EventStore(android.content.Context context, int sendLimit) Creates a new Event Store

方法概要

限定符和类型	方法和说明
void	add(DataLoad dataLoad) Adds an event to the database.
void	close() Closes the database
static java.util.Map<java.lang.String,java.lang.String>	deserializer(byte[] bytes) Converts a byte array back into an event map for sending.
java.util.List<java.util.Map<java.lang.String,java.lang.Object>>	getAllEvents() Returns a list of all the events in the database.
java.util.List<java.util.Map<java.lang.String,java.lang.Object>>	getDescEventsInRange(int range) Returns a descending range of events from the top of the database.
EmittableEvents	getEmittableEvents() Returns an EmittableEvents object which contains events and eventIds within a defined range of the database.
java.util.Map<java.lang.String,java.lang.Object>	getEvent(long id) Returns a Map containing the event payload values, the table row ID and the date it was created.
long	getLastInsertedRowId() Returns the last rowId to be inserted.
long	getSize() Returns amount of events currently in the database.
long	insertEvent(DataLoad dataLoad) Inserts a payload into the database
boolean	isDatabaseOpen() Returns truth on if database is open.
boolean	isOpen() whether the store is open
void	open() Opens a new writable database if it is currently closed.
java.util.List<java.util.Map<java.lang.String,java.lang.Object>>	queryDatabase(java.lang.String query, java.lang.String orderBy) Returns the events that validate a specific query.
boolean	removeAllEvents() Empties the database of all events
boolean	removeEvent(long id) Removes an event from the database
static byte[]	serialize(java.util.Map<java.lang.String,java.lang.String> map) Converts an event map to a byte array for storage.

从类继承的方法 java.lang.Object

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

构造器详细资料

EventStore

public EventStore(android.content.Context context,
                  int sendLimit)

Creates a new Event Store

参数:

context - The android context object

sendLimit - The maximum amount of events that can be sent concurrently

方法详细资料

add

public void add(DataLoad dataLoad)

Adds an event to the database.

指定者:

add 在接口中 Store

参数:

dataLoad - the payload to be added

isOpen

public boolean isOpen()

从接口复制的说明: Store

whether the store is open

指定者:

isOpen 在接口中 Store

open

public void open()

Opens a new writable database if it is currently closed.

close

public void close()

Closes the database

指定者:

close 在接口中 Store

insertEvent

public long insertEvent(DataLoad dataLoad)

Inserts a payload into the database

参数:

dataLoad - The event dataLoad to be stored

返回:

a boolean stating if the insert was a success or not

removeEvent

public boolean removeEvent(long id)

Removes an event from the database

指定者:

removeEvent 在接口中 Store

参数:

id - the row id of the event

返回:

a boolean of success to remove

removeAllEvents

public boolean removeAllEvents()

Empties the database of all events

指定者:

removeAllEvents 在接口中 Store

返回:

a boolean of success to remove

serialize

public static byte[] serialize(java.util.Map<java.lang.String,java.lang.String> map)

Converts an event map to a byte array for storage.

参数:

map - the map containing all the event parameters

返回:

the byte array or null

deserializer

public static java.util.Map<java.lang.String,java.lang.String> deserializer(byte[] bytes)

Converts a byte array back into an event map for sending.

参数:

bytes - the bytes to be converted

返回:

the Map or null

queryDatabase

public java.util.List<java.util.Map<java.lang.String,java.lang.Object>> queryDatabase(java.lang.String query,
                                                                                      java.lang.String orderBy)

Returns the events that validate a specific query.

参数:

query - the query to be passed against the database

orderBy - what to order the query by

返回:

the list of events that satisfied the query

getSize

public long getSize()

Returns amount of events currently in the database.

指定者:

getSize 在接口中 Store

返回:

the count of events in the database

getLastInsertedRowId

public long getLastInsertedRowId()

Returns the last rowId to be inserted.

返回:

the last inserted rowId

getEmittableEvents

public EmittableEvents getEmittableEvents()

Returns an EmittableEvents object which contains events and eventIds within a defined range of the database.

指定者:

getEmittableEvents 在接口中 Store

返回:

an EmittableEvents object containing eventIds and event payloads.

getEvent

public java.util.Map<java.lang.String,java.lang.Object> getEvent(long id)

Returns a Map containing the event payload values, the table row ID and the date it was created.

参数:

id - the row id of the event to get

返回:

event metadata

getAllEvents

public java.util.List<java.util.Map<java.lang.String,java.lang.Object>> getAllEvents()

Returns a list of all the events in the database.

返回:

the events in the database

getDescEventsInRange

public java.util.List<java.util.Map<java.lang.String,java.lang.Object>> getDescEventsInRange(int range)

Returns a descending range of events from the top of the database.

参数:

range - amount of rows to take

返回:

a list of event metadata

isDatabaseOpen

public boolean isDatabaseOpen()

Returns truth on if database is open.

返回:

a boolean for database status