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java.lang.Objectnet.esper.client.ConfigurationDBRef
public class ConfigurationDBRef
Container for database configuration information, such as options around getting a database connection and options to control the lifecycle of connections and set connection parameters.
Nested Class Summary | |
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static interface |
ConfigurationDBRef.ConnectionFactoryDesc
Marker for different connection factory settings. |
static class |
ConfigurationDBRef.ConnectionLifecycleEnum
Enum controlling connection lifecycle. |
class |
ConfigurationDBRef.ConnectionSettings
Supplies connectioon-level settings for a given database name. |
static interface |
ConfigurationDBRef.DataCacheDesc
Marker for different cache settings. |
class |
ConfigurationDBRef.DataSourceConnection
Connection factory settings for using a DataSource. |
class |
ConfigurationDBRef.DriverManagerConnection
Connection factory settings for using a DriverManager. |
class |
ConfigurationDBRef.ExpiryTimeCacheDesc
Expiring cache settings. |
class |
ConfigurationDBRef.LRUCacheDesc
LRU cache settings. |
Constructor Summary | |
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ConfigurationDBRef()
Ctor. |
Method Summary | |
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ConfigurationDBRef.ConnectionFactoryDesc |
getConnectionFactoryDesc()
Returns the descriptor controlling connection creation settings. |
ConfigurationDBRef.ConnectionLifecycleEnum |
getConnectionLifecycleEnum()
Returns the setting to control whether a new connection is obtained for each lookup, or connections are retained between lookups. |
ConfigurationDBRef.ConnectionSettings |
getConnectionSettings()
Returns the connection settings for this database. |
ConfigurationDBRef.DataCacheDesc |
getDataCacheDesc()
Return a query result data cache descriptor. |
void |
setConnectionAutoCommit(boolean value)
Sets the auto-commit connection settings for new connections to this database. |
void |
setConnectionCatalog(String catalog)
Sets the catalog name for new connections created for this database. |
void |
setConnectionLifecycleEnum(ConfigurationDBRef.ConnectionLifecycleEnum connectionLifecycleEnum)
Controls whether a new connection is obtained for each lookup, or connections are retained between lookups. |
void |
setConnectionReadOnly(boolean isReadOnly)
Sets the read-only flag on new connections created for this database. |
void |
setConnectionTransactionIsolation(int value)
Sets the transaction isolation level on new connections created for this database. |
void |
setDataSourceConnection(String contextLookupName,
Properties environmentProps)
Sets the connection factory to use DataSource to obtain a
connection. |
void |
setDriverManagerConnection(String className,
String url,
Properties connectionArgs)
Sets the connection factory to use DriverManager to obtain a
connection. |
void |
setDriverManagerConnection(String className,
String url,
String username,
String password)
Sets the connection factory to use DriverManager to obtain a
connection. |
void |
setDriverManagerConnection(String className,
String url,
String username,
String password,
Properties connectionArgs)
Sets the connection factory to use DriverManager to obtain a
connection. |
void |
setExpiryTimeCache(double maxAgeSeconds,
double purgeIntervalSeconds)
Configures an expiry-time cache of the given maximum age in seconds and pruge interval in seconds. |
void |
setLRUCache(int size)
Configures a LRU cache of the given size for the database. |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public ConfigurationDBRef()
Method Detail |
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public void setDataSourceConnection(String contextLookupName, Properties environmentProps)
DataSource
to obtain a
connection.
contextLookupName
- is the object name to look up via InitialContext
environmentProps
- are the optional properties to pass to the contextpublic void setDriverManagerConnection(String className, String url, Properties connectionArgs)
DriverManager
to obtain a
connection.
className
- is the driver class name to lookup up via Class.forNameurl
- is the URLconnectionArgs
- are optional connection argumentspublic void setDriverManagerConnection(String className, String url, String username, String password)
DriverManager
to obtain a
connection.
className
- is the driver class name to lookup up via Class.forNameurl
- is the URLusername
- is the username to obtain a connectionpassword
- is the password to obtain a connectionpublic void setDriverManagerConnection(String className, String url, String username, String password, Properties connectionArgs)
DriverManager
to obtain a
connection.
className
- is the driver class name to lookup up via Class.forNameurl
- is the URLusername
- is the username to obtain a connectionpassword
- is the password to obtain a connectionconnectionArgs
- are optional connection argumentspublic void setConnectionAutoCommit(boolean value)
value
- is true to set auto-commit to true, or false to set auto-commit to false, or null to accepts the defaultpublic void setConnectionTransactionIsolation(int value)
value
- is the transaction isolation levelpublic void setConnectionReadOnly(boolean isReadOnly)
isReadOnly
- is the read-only flagpublic void setConnectionCatalog(String catalog)
catalog
- is the catalog namepublic ConfigurationDBRef.ConnectionSettings getConnectionSettings()
public ConfigurationDBRef.ConnectionLifecycleEnum getConnectionLifecycleEnum()
public void setConnectionLifecycleEnum(ConfigurationDBRef.ConnectionLifecycleEnum connectionLifecycleEnum)
connectionLifecycleEnum
- is an enum controlling connection allocationpublic ConfigurationDBRef.ConnectionFactoryDesc getConnectionFactoryDesc()
public void setLRUCache(int size)
size
- is the maximum number of entries before query results are evicted using.public void setExpiryTimeCache(double maxAgeSeconds, double purgeIntervalSeconds)
maxAgeSeconds
- is the maximum number of seconds before a query result is considered stale (also known as time-to-live)purgeIntervalSeconds
- is the interval at which the engine purges stale data from the cachepublic ConfigurationDBRef.DataCacheDesc getDataCacheDesc()
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