| Interface | Description |
|---|---|
| DatabaseConfigService |
Service providing database connection factory and configuration information
for use with historical data polling.
|
| DatabaseConnectionFactory |
Factory for new database connections.
|
| DataCache |
Implementations serve as caches for historical or reference data retrieved
via lookup keys consisting or one or more rows represented by a list of events.
|
| PollExecStrategy |
Interface for polling data from a data source such as a relational database.
|
| Class | Description |
|---|---|
| ColumnSettings |
Column-level configuration settings are held in this immutable descriptor.
|
| ConnectionCache |
Base class for a Connection and PreparedStatement cache.
|
| ConnectionCacheImpl |
Caches the Connection and PreparedStatement instance for reuse.
|
| ConnectionNoCacheImpl |
Implementation of a connection cache that simply doesn't cache but gets
a new connection and statement every request, and closes these every time
a client indicates done.
|
| DatabaseConfigServiceImpl |
Implementation provides database instance services such as connection factory and
connection settings.
|
| DatabaseDMConnFactory |
Database connection factory using
DriverManager to obtain connections. |
| DatabaseDSConnFactory |
Database connection factory using
InitialContext and DataSource to obtain connections. |
| DatabaseDSFactoryConnFactory |
Database connection factory using
InitialContext and DataSource to obtain connections. |
| DatabasePollingViewable |
Implements a poller viewable that uses a polling strategy, a cache and
some input parameters extracted from event streams to perform the polling.
|
| DatabasePollingViewableFactory |
Factory for a view onto historical data via SQL statement.
|
| DataCacheClearableMap |
For use in iteration over historical joins, a
DataCache implementation
that serves to hold EventBean rows generated during a join evaluation
involving historical streams stable for the same cache lookup keys. |
| DataCacheExpiringImpl |
Implements an expiry-time cache that evicts data when data becomes stale
after a given number of seconds.
|
| DataCacheFactory |
Factory for data caches for use caching database query results and method invocation results.
|
| DataCacheLRUImpl |
Query result data cache implementation that uses a least-recently-used algorithm
to store and evict query results.
|
| DataCacheNullImpl |
Null implementation for a data cache that doesn't ever hit.
|
| DataCacheUtil | |
| DBOutputTypeDesc |
Descriptor for SQL output columns.
|
| PollExecStrategyDBQuery |
Viewable providing historical data from a database.
|
| QueryMetaData |
Holder for query meta data information obtained from interrogating statements.
|
| SQLParameterDesc |
Hold a raw SQL-statements parameter information that were specified in the form ${name}.
|
| Exception | Description |
|---|---|
| DatabaseConfigException |
Exception to indicate that a stream name could not be resolved.
|
Database SQL polling views and caches