Class ReleaseOnceChannelPool

java.lang.Object

software.amazon.awssdk.http.nio.netty.internal.ReleaseOnceChannelPool

All Implemented Interfaces:

io.netty.channel.pool.ChannelPool, Closeable, AutoCloseable, SdkChannelPool

@SdkInternalApi
public class ReleaseOnceChannelPool
extends Object
implements SdkChannelPool

Wrapper around a ChannelPool to protect it from having the same channel released twice. This can cause issues in FixedChannelPool and Http2MultiplexedChannelPool which has a simple mechanism to track leased connections.

Constructor Summary

Constructors

Constructor	Description
ReleaseOnceChannelPool(SdkChannelPool delegate)

Method Summary

Modifier and Type	Method	Description
io.netty.util.concurrent.Future<io.netty.channel.Channel>	acquire()
io.netty.util.concurrent.Future<io.netty.channel.Channel>	acquire(io.netty.util.concurrent.Promise<io.netty.channel.Channel> promise)
void	close()
CompletableFuture<Void>	collectChannelPoolMetrics(MetricCollector metrics)	Collect channel pool metrics into the provided MetricCollector collection, completing the returned future when all metric publishing is complete.
io.netty.util.concurrent.Future<Void>	release(io.netty.channel.Channel channel)
io.netty.util.concurrent.Future<Void>	release(io.netty.channel.Channel channel, io.netty.util.concurrent.Promise<Void> promise)

Methods inherited from class java.lang.Object

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

Constructor Details

ReleaseOnceChannelPool

public ReleaseOnceChannelPool(SdkChannelPool delegate)

Method Details

acquire

public io.netty.util.concurrent.Future<io.netty.channel.Channel> acquire()

Specified by:

acquire in interface io.netty.channel.pool.ChannelPool

acquire

public io.netty.util.concurrent.Future<io.netty.channel.Channel> acquire(io.netty.util.concurrent.Promise<io.netty.channel.Channel> promise)

Specified by:

acquire in interface io.netty.channel.pool.ChannelPool

release

public io.netty.util.concurrent.Future<Void> release(io.netty.channel.Channel channel)

Specified by:

release in interface io.netty.channel.pool.ChannelPool

release

public io.netty.util.concurrent.Future<Void> release(io.netty.channel.Channel channel,
 io.netty.util.concurrent.Promise<Void> promise)

Specified by:

release in interface io.netty.channel.pool.ChannelPool

close

public void close()

Specified by:

close in interface AutoCloseable

Specified by:

close in interface io.netty.channel.pool.ChannelPool

Specified by:

close in interface Closeable

collectChannelPoolMetrics

public CompletableFuture<Void> collectChannelPoolMetrics(MetricCollector metrics)

Description copied from interface: SdkChannelPool

Collect channel pool metrics into the provided MetricCollector collection, completing the returned future when all metric publishing is complete.

Specified by:

collectChannelPoolMetrics in interface SdkChannelPool

Parameters:

metrics - The collection to which all metrics should be added.

Returns:

A future that is completed when all metric publishing is complete.