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java.lang.Objectorg.h2.tools.TriggerAdapter
public abstract class TriggerAdapter
An adapter for the trigger interface that allows to use the ResultSet interface instead of a row array.
Field Summary |
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Fields inherited from interface org.h2.api.Trigger |
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DELETE, INSERT, SELECT, UPDATE |
Constructor Summary | |
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TriggerAdapter()
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Method Summary | |
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void |
close()
This method is called when the trigger is dropped. |
void |
fire(java.sql.Connection conn,
java.lang.Object[] oldRow,
java.lang.Object[] newRow)
This method is called for each triggered action. |
abstract void |
fire(java.sql.Connection conn,
java.sql.ResultSet oldRow,
java.sql.ResultSet newRow)
This method is called for each triggered action by the default fire(Connection conn, Object[] oldRow, Object[] newRow) method. |
void |
init(java.sql.Connection conn,
java.lang.String schemaName,
java.lang.String triggerName,
java.lang.String tableName,
boolean before,
int type)
This method is called by the database engine once when initializing the trigger. |
void |
remove()
This method is called when the database is closed. |
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 TriggerAdapter()
Method Detail |
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public void init(java.sql.Connection conn, java.lang.String schemaName, java.lang.String triggerName, java.lang.String tableName, boolean before, int type) throws java.sql.SQLException
init
in interface Trigger
conn
- a connection to the databaseschemaName
- the name of the schematriggerName
- the name of the trigger used in the CREATE TRIGGER
statementtableName
- the name of the tablebefore
- whether the fire method is called before or after the
operation is performedtype
- the operation type: INSERT, UPDATE, or DELETE
java.sql.SQLException
public void fire(java.sql.Connection conn, java.lang.Object[] oldRow, java.lang.Object[] newRow) throws java.sql.SQLException
The row arrays contain all columns of the table, in the same order as defined in the table.
The default implementation calls the fire method with the ResultSet parameters.
fire
in interface Trigger
conn
- a connection to the databaseoldRow
- the old row, or null if no old row is available (for
INSERT)newRow
- the new row, or null if no new row is available (for
DELETE)
java.sql.SQLException
- if the operation must be undonepublic abstract void fire(java.sql.Connection conn, java.sql.ResultSet oldRow, java.sql.ResultSet newRow) throws java.sql.SQLException
conn
- a connection to the databaseoldRow
- the old row, or null if no old row is available (for
INSERT)newRow
- the new row, or null if no new row is available (for
DELETE)
java.sql.SQLException
- if the operation must be undonepublic void remove() throws java.sql.SQLException
remove
in interface Trigger
java.sql.SQLException
public void close() throws java.sql.SQLException
close
in interface Trigger
java.sql.SQLException
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