Package org.apache.tomcat.jdbc.pool.interceptor

Class QueryTimeoutInterceptor

java.lang.Object

org.apache.tomcat.jdbc.pool.JdbcInterceptor

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

org.apache.tomcat.jdbc.pool.interceptor.QueryTimeoutInterceptor

All Implemented Interfaces:

java.lang.reflect.InvocationHandler

public class QueryTimeoutInterceptor
extends AbstractCreateStatementInterceptor

Interceptor that sets a query timeout on every created Statement.

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

Constructor	Description
QueryTimeoutInterceptor()	Default constructor.

Method Summary

Modifier and Type	Method	Description
void	closeInvoked()	No-op; this interceptor holds no state that requires cleanup on close.
java.lang.Object	createStatement(java.lang.Object proxy, java.lang.reflect.Method method, java.lang.Object[] args, java.lang.Object statement, long time)	Sets the query timeout on the created statement if it is a Statement and the timeout value is positive.
void	setProperties(java.util.Map<java.lang.String,PoolProperties.InterceptorProperty> properties)	Initializes the queryTimeout property from the provided configuration map.

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, setUseEquals

Methods inherited from class java.lang.Object

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

Constructor Detail

QueryTimeoutInterceptor

public QueryTimeoutInterceptor()

Default constructor.

Method Detail

setProperties

public void setProperties(java.util.Map<java.lang.String,PoolProperties.InterceptorProperty> properties)

Initializes the queryTimeout property from the provided configuration map.

Overrides:

setProperties in class JdbcInterceptor

Parameters:

properties - map of interceptor properties

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)

Sets the query timeout on the created statement if it is a Statement and the timeout value is positive.

Specified by:

createStatement in class AbstractCreateStatementInterceptor

Parameters:

proxy - the actual proxy object

method - the method that was called

args - the arguments to the method

statement - the statement that the underlying connection created

time - elapsed time in milliseconds

Returns:

the (possibly wrapped) statement object

closeInvoked

public void closeInvoked()

No-op; this interceptor holds no state that requires cleanup on close.

Specified by:

closeInvoked in class AbstractCreateStatementInterceptor