com::cosylab::acs::jms::ACSJMSMessageSelector Class Reference
Classes | |
| class | ACSJMSValueProvider |
Public Member Functions | |
| ACSJMSMessageSelector (String sqlSelectorString) throws InvalidSelectorException | |
| String | getSelectorString () |
| void | setSelectorString (String newSQLSelString) throws InvalidSelectorException |
| boolean | match (ACSJMSMessage message) |
Private Attributes | |
| String | selectorString |
| ISelector | selector = null |
Detailed Description
This object is a message selector. It owns an SQL92 string describing an SQL statement and checkes if a message matches with that statement. To enhance the response time of the process, it uses ValueProvider method of selector.
- See also:
- JMS specifications for further details
Constructor & Destructor Documentation
| com::cosylab::acs::jms::ACSJMSMessageSelector::ACSJMSMessageSelector | ( | String | sqlSelectorString | ) | throws InvalidSelectorException [inline] |
The constructor
- Parameters:
-
sqlSelectorString The SQL selector string (it can be null or empty)
- Exceptions:
-
InvalidSelectorException
- See also:
- com.codestreet.selector.parser.InvalidSelectorException
References setSelectorString().
Member Function Documentation
| String com::cosylab::acs::jms::ACSJMSMessageSelector::getSelectorString | ( | ) | [inline] |
- Returns:
- The (eventually null or empty) SQL selector string
References selectorString.
Referenced by com::cosylab::acs::jms::ACSJMSConsumer::getMessageSelector().
| boolean com::cosylab::acs::jms::ACSJMSMessageSelector::match | ( | ACSJMSMessage | message | ) | [inline] |
Check if the message matches with the SQL selector string. The test passes also if the string is empty or null.
- Parameters:
-
message The message to check
- Returns:
- true if the message matches with the string false otherwise
References selector, and selectorString.
Referenced by com::cosylab::acs::jms::ACSJMSConsumer::receive().
| void com::cosylab::acs::jms::ACSJMSMessageSelector::setSelectorString | ( | String | newSQLSelString | ) | throws InvalidSelectorException [inline] |
Set the new SQL selector string and create the instance of selector. selector is set to null if the string is null or empty.
- Parameters:
-
newSQLSelString The SQL92 selector string
- Exceptions:
-
InvalidSelectorException
- See also:
- com.codestreet.selector.parser.InvalidSelectorException
References selector, and selectorString.
Referenced by ACSJMSMessageSelector(), and com::cosylab::acs::jms::ACSJMSConsumer::setMessageSelector().
Member Data Documentation
ISelector com::cosylab::acs::jms::ACSJMSMessageSelector::selector = null [private] |
The selector object
- See also:
- com.codestreet.selector.ISelector
Referenced by match(), and setSelectorString().
String com::cosylab::acs::jms::ACSJMSMessageSelector::selectorString [private] |
The message selector string It is an SQL92 string as described in JMS specification All the messages that do not match with this statement are discarded, the others are sent to the listeners If the selector is null or empty it matches to true with all messages.
Referenced by getSelectorString(), match(), and setSelectorString().
The documentation for this class was generated from the following file:
