org.mule.transport.jdbc
Class JdbcMessageReceiver
java.lang.Object
org.mule.transport.AbstractTransportMessageHandler
org.mule.transport.AbstractMessageReceiver
org.mule.transport.AbstractPollingMessageReceiver
org.mule.transport.TransactedPollingMessageReceiver
org.mule.transport.jdbc.JdbcMessageReceiver
- All Implemented Interfaces:
- Disposable, Initialisable, Lifecycle, LifecycleStateEnabled, Startable, Stoppable, MessageSource, Connectable, MessageReceiver
public class JdbcMessageReceiver
- extends TransactedPollingMessageReceiver
Implements TransactedPollingMessageReceiver
reading data from a database.
Provides a way to acknowledge each read data using a SQL statement.
Methods inherited from class org.mule.transport.AbstractMessageReceiver |
applyInboundTransformers, applyResponseTransformers, createLifecycleManager, createMuleEvent, getConnectEventId, getConnectionDescription, getEndpoint, getEndpointURI, getFlowConstruct, getReceiverKey, getWorkManager, handleUnacceptedFilter, initialise, routeMessage, routeMessage, routeMessage, routeMessage, setEndpoint, setListener, setReceiverKey, toString |
Methods inherited from class org.mule.transport.AbstractTransportMessageHandler |
activate, callDoStartWhenItIsConnected, connect, connectAndThenStart, createMuleMessage, createMuleMessage, createMuleMessage, createMuleMessageFactory, createNullMuleMessage, disconnect, dispose, disposeAndLogException, doInitialise, getConnectEventId, getConnector, getLifecycleState, initializeMessageFactory, initializeRetryPolicy, isConnected, isConnecting, isDoStartMustFollowDoConnect, isDoThreading, isStarted, passivate, setEndpoint, start, stop, validate, validateConnection |
Methods inherited from interface org.mule.api.lifecycle.Startable |
start |
Methods inherited from interface org.mule.api.lifecycle.Stoppable |
stop |
RECEIVE_MESSAGE_IN_TRANSCTION
public static final String RECEIVE_MESSAGE_IN_TRANSCTION
- See Also:
- Constant Field Values
RECEIVE_MESSAGES_IN_XA_TRANSCTION
public static final String RECEIVE_MESSAGES_IN_XA_TRANSCTION
- See Also:
- Constant Field Values
connector
protected JdbcConnector connector
readStmt
protected String readStmt
ackStmt
protected String ackStmt
readParams
protected List readParams
ackParams
protected List ackParams
receiveMessagesInXaTransaction
public boolean receiveMessagesInXaTransaction
JdbcMessageReceiver
public JdbcMessageReceiver(Connector connector,
FlowConstruct flowConstruct,
InboundEndpoint endpoint,
String readStmt,
String ackStmt)
throws CreateException
- Throws:
CreateException
parseStatements
protected void parseStatements(String readStmt,
String ackStmt)
- Parses the read and acknowledge SQL statements
doDispose
protected void doDispose()
- Overrides:
doDispose
in class AbstractMessageReceiver
doConnect
protected void doConnect()
throws Exception
- Overrides:
doConnect
in class AbstractTransportMessageHandler
- Throws:
Exception
doDisconnect
protected void doDisconnect()
throws Exception
- Overrides:
doDisconnect
in class AbstractTransportMessageHandler
- Throws:
Exception
processMessage
public void processMessage(Object message)
throws Exception
- Specified by:
processMessage
in class TransactedPollingMessageReceiver
- Throws:
Exception
hasAckStatement
protected boolean hasAckStatement()
createMuleMessages
protected List<MuleMessage> createMuleMessages(List<Object> records)
- Creates a mule message per each data record.
- Parameters:
records
- data records used to created the payload of the new messages.
- Returns:
- the created messages
executeAckStatement
protected int executeAckStatement(Connection con,
MuleMessage muleMessage)
throws Exception
- Executes the acknowledge SQL statement for a given message.
- Parameters:
con
- database connection to execute the statementmuleMessage
- message to been acknowledge
- Returns:
- the number of updated rows by the SQL statement
- Throws:
Exception
executeBatchAckStatement
protected int[] executeBatchAckStatement(Connection con,
List<MuleMessage> messages)
throws Exception
- Executes the acknowledge SQL statement for a list of messages.
- Parameters:
con
- database connection to execute the statementmessages
- messages to be acknowledge
- Returns:
- the number of updated rows by each batched execution
- Throws:
Exception
getMessages
public List getMessages()
throws Exception
- Specified by:
getMessages
in class TransactedPollingMessageReceiver
- Throws:
Exception
executeReadStatement
protected List executeReadStatement(Connection con)
throws Exception
- Executes the read SQL statement to get data from the database.
- Parameters:
con
- database connection to execute the statement
- Returns:
- the list of read records
- Throws:
Exception
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