io.r2dbc.proxy.listener

Class CompositeProxyExecutionListener

java.lang.Object

io.r2dbc.proxy.listener.CompositeProxyExecutionListener

All Implemented Interfaces:

ProxyExecutionListener

public class CompositeProxyExecutionListener
extends Object
implements ProxyExecutionListener

Delegate to multiple of ProxyExecutionListeners.

Author:

Tadaya Tsuyukubo

Constructor Summary

Constructors

Constructor and Description
CompositeProxyExecutionListener(ProxyExecutionListener... listeners)

Method Summary

Modifier and Type	Method and Description
boolean	add(ProxyExecutionListener listener) Add a ProxyExecutionListener.
boolean	addAll(Collection<ProxyExecutionListener> listeners) Add a list of ProxyExecutionListener.
void	afterMethod(MethodExecutionInfo executionInfo) Called after every invocation of methods.
void	afterQuery(QueryExecutionInfo execInfo) Called after executing a query (Batch.execute() or Statement.execute()).
void	beforeMethod(MethodExecutionInfo executionInfo) Called before every invocation of methods.
void	beforeQuery(QueryExecutionInfo execInfo) Called before executing a query (Batch.execute() or Statement.execute()).
void	eachQueryResult(QueryExecutionInfo execInfo) Called on processing each query Result.
List<ProxyExecutionListener>	getListeners() Get registered listeners.

Methods inherited from class java.lang.Object

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

Constructor Detail

CompositeProxyExecutionListener

public CompositeProxyExecutionListener(ProxyExecutionListener... listeners)

Method Detail

beforeMethod

public void beforeMethod(MethodExecutionInfo executionInfo)

Description copied from interface: ProxyExecutionListener

Called before every invocation of methods.

Specified by:

beforeMethod in interface ProxyExecutionListener

Parameters:

executionInfo - method execution context

afterMethod

public void afterMethod(MethodExecutionInfo executionInfo)

Description copied from interface: ProxyExecutionListener

Called after every invocation of methods.

Specified by:

afterMethod in interface ProxyExecutionListener

Parameters:

executionInfo - method execution context

beforeQuery

public void beforeQuery(QueryExecutionInfo execInfo)

Description copied from interface: ProxyExecutionListener

Called before executing a query (Batch.execute() or Statement.execute()).

Note: this callback is called when the publisher, result of the execute(), is being subscribed. Not at the time of execute() is called,

Specified by:

beforeQuery in interface ProxyExecutionListener

Parameters:

execInfo - query execution context

afterQuery

public void afterQuery(QueryExecutionInfo execInfo)

Description copied from interface: ProxyExecutionListener

Called after executing a query (Batch.execute() or Statement.execute()).

The callback order is:

• ProxyExecutionListener.beforeQuery(QueryExecutionInfo)
• ProxyExecutionListener.eachQueryResult(QueryExecutionInfo) for 1st result
• ProxyExecutionListener.eachQueryResult(QueryExecutionInfo) for 2nd result
• ...
• ProxyExecutionListener.eachQueryResult(QueryExecutionInfo) for Nth result
• ProxyExecutionListener.afterQuery(QueryExecutionInfo)

QueryExecutionInfo.getExecuteDuration() is available in this callback and it holds the duration since ProxyExecutionListener.beforeQuery(QueryExecutionInfo).

Note: this callback is called when the publisher, result of the execute(), is being subscribed. Not at the time of execute() is called,

Specified by:

afterQuery in interface ProxyExecutionListener

Parameters:

execInfo - query execution context

eachQueryResult

public void eachQueryResult(QueryExecutionInfo execInfo)

Description copied from interface: ProxyExecutionListener

Called on processing each query Result.

While processing query results with Result.map(BiFunction), this callback is called per result.

QueryExecutionInfo.getCurrentMappedResult() contains the mapped result.

Specified by:

eachQueryResult in interface ProxyExecutionListener

Parameters:

execInfo - query execution context

add

public boolean add(ProxyExecutionListener listener)

Add a ProxyExecutionListener.

Parameters:

listener - a listener

Returns:

true as specified by List.add(Object)

Throws:

IllegalArgumentException - if listener is null

addAll

public boolean addAll(Collection<ProxyExecutionListener> listeners)

Add a list of ProxyExecutionListener.

Parameters:

listeners - collection of listeners

Returns:

true if this list changed as a result of the call

Throws:

IllegalArgumentException - if listeners is null

getListeners

public List<ProxyExecutionListener> getListeners()

Get registered listeners.

Returns:

registered listeners