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| java.lang.Object
 java.lang.Thread
helma.objectmodel.db.Transactor
| Transactor | | public class Transactor extends Thread (Code) | | A subclass of thread that keeps track of changed nodes and triggers
changes in the database when a transaction is commited.
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| Transactor | | public Transactor(Runnable runnable, ThreadGroup group, NodeManager nmgr)(Code) | | Creates a new Transactor object.
Parameters:
runnable - ...
Parameters:
group - ...
Parameters:
nmgr - ... |
| abort | | public synchronized void abort()(Code) | | Abort the current transaction, rolling back all changes made.
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| begin | | public synchronized void begin(String name) throws Exception(Code) | | Start a new transaction with the given name.
Parameters:
name - The name of the transaction. This is usually the requestpath for the underlying HTTP request.
throws:
Exception - ... |
| closeConnections | | public void closeConnections()(Code) | | Closes all open JDBC connections
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| commit | | public synchronized void commit() throws Exception(Code) | | Commit the current transaction, persisting all changes to DB.
throws:
Exception - ... |
| dropCleanNode | | public void dropCleanNode(Key key)(Code) | | Drop a reference to an unmodified Node previously registered with visitCleanNode().
Parameters:
key - the key |
| dropDirtyNode | | public void dropDirtyNode(Node node)(Code) | | Unmark a Node that has previously been marked as modified during the transaction
Parameters:
node - ... |
| getCleanNode | | public Node getCleanNode(Object key)(Code) | | Get a reference to an unmodified Node local to this transaction
Parameters:
key - ... ... |
| getConnection | | public Connection getConnection(DbSource src)(Code) | | Get a db connection that was previously registered with this transactor thread.
Parameters:
src - the db source the connection |
| getDirtyNode | | public Node getDirtyNode(Key key)(Code) | | Get a dirty Node from this transaction.
Parameters:
key - the key the dirty node associated with the key, or null |
| getTransactionName | | public String getTransactionName()(Code) | | Return the name of the current transaction. This is usually the request
path for the underlying HTTP request.
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| isActive | | public boolean isActive()(Code) | | Returns true if a transaction is currently active.
true if currently a transaction is active |
| kill | | public synchronized void kill()(Code) | | Kill this transaction thread. Used as last measure only.
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| registerConnection | | public void registerConnection(DbSource src, Connection con)(Code) | | Register a db connection with this transactor thread.
Parameters:
src - the db source
Parameters:
con - the connection |
| toString | | public String toString()(Code) | | Return a string representation of this Transactor thread
... |
| visitCleanNode | | public void visitCleanNode(Node node)(Code) | | Keep a reference to an unmodified Node local to this transaction
Parameters:
node - the node to register |
| visitCleanNode | | public void visitCleanNode(Key key, Node node)(Code) | | Keep a reference to an unmodified Node local to this transaction
Parameters:
key - the key to register with
Parameters:
node - the node to register |
| visitDirtyNode | | public void visitDirtyNode(Node node)(Code) | | Mark a Node as modified/created/deleted during this transaction
Parameters:
node - ... |
| visitParentNode | | public void visitParentNode(Node node)(Code) | |
Parameters:
node - ... |
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