Package org.apache.tomcat.jdbc.pool

Class StatementFacade

java.lang.Object

org.apache.tomcat.jdbc.pool.JdbcInterceptor

org.apache.tomcat.jdbc.pool.interceptor.AbstractCreateStatementInterceptor

org.apache.tomcat.jdbc.pool.StatementFacade

All Implemented Interfaces:

java.lang.reflect.InvocationHandler

public class StatementFacade
extends AbstractCreateStatementInterceptor

Facade that creates statement and result set proxies.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
protected class	StatementFacade.ResultSetProxy	Proxy for a ResultSet.
protected class	StatementFacade.StatementProxy	Proxy for a SQL statement used to measure query execute time.

Field Summary

Fields inherited from class org.apache.tomcat.jdbc.pool.interceptor.AbstractCreateStatementInterceptor

constructors, CREATE_STATEMENT, CREATE_STATEMENT_IDX, EXECUTE, EXECUTE_BATCH, EXECUTE_QUERY, EXECUTE_TYPES, EXECUTE_UPDATE, GET_GENERATED_KEYS, GET_RESULTSET, GET_STATEMENT, PREPARE_CALL, PREPARE_CALL_IDX, PREPARE_STATEMENT, PREPARE_STATEMENT_IDX, RESULTSET_IDX, STATEMENT_TYPE_COUNT, STATEMENT_TYPES

Fields inherited from class org.apache.tomcat.jdbc.pool.JdbcInterceptor

CLOSE_VAL, EQUALS_VAL, GETCONNECTION_VAL, HASHCODE_VAL, ISCLOSED_VAL, ISVALID_VAL, ISWRAPPERFOR_VAL, properties, TOSTRING_VAL, UNWRAP_VAL

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	StatementFacade(JdbcInterceptor interceptor)	Constructs a StatementFacade.

Method Summary

Modifier and Type	Method	Description
void	closeInvoked()	Method invoked when the operation Connection.close() is invoked.
java.lang.Object	createStatement(java.lang.Object proxy, java.lang.reflect.Method method, java.lang.Object[] args, java.lang.Object statement, long time)	Creates a statement interceptor to monitor query response times

Methods inherited from class org.apache.tomcat.jdbc.pool.interceptor.AbstractCreateStatementInterceptor

getConstructor, invoke, isExecute, isStatement, process, reset

Methods inherited from class org.apache.tomcat.jdbc.pool.JdbcInterceptor

compare, compare, disconnected, getNext, getProperties, isUseEquals, poolClosed, poolStarted, setNext, setProperties, setUseEquals

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

StatementFacade

protected StatementFacade(JdbcInterceptor interceptor)

Constructs a StatementFacade.

Parameters:

interceptor - the next interceptor in the chain

Method Detail

closeInvoked

public void closeInvoked()

Description copied from class: AbstractCreateStatementInterceptor

Method invoked when the operation Connection.close() is invoked.

Specified by:

closeInvoked in class AbstractCreateStatementInterceptor

createStatement

public java.lang.Object createStatement(java.lang.Object proxy,
                                        java.lang.reflect.Method method,
                                        java.lang.Object[] args,
                                        java.lang.Object statement,
                                        long time)

Creates a statement interceptor to monitor query response times

Specified by:

createStatement in class AbstractCreateStatementInterceptor

Parameters:

proxy - the actual proxy object

method - the method that was called. It will be one of the methods defined in AbstractCreateStatementInterceptor.STATEMENT_TYPES

args - the arguments to the method

statement - the statement that the underlying connection created

time - Elapsed time

Returns:

a Statement object