Registers a key for pool control and ensures that {@link #getMinIdlePerKey()} idle instances are created.
@param key - The key to register for pool control.
@throws Exception If the associated factoryexception
See Implementation
Registers a key for pool control and ensures that {@link #getMinIdlePerKey()} idle instances are created.
@param key - The key to register for pool control.
@throws Exception If the associated factoryexception