com.emc.mongoose.storage.driver.net.base.pool

Interface NonBlockingConnPool

All Superinterfaces:

java.lang.AutoCloseable, java.io.Closeable

All Known Implementing Classes:

BasicMultiNodeConnPool

public interface NonBlockingConnPool
extends java.io.Closeable

Created by andrey on 23.01.17.

Field Summary

Fields

Modifier and Type	Field and Description
static io.netty.util.AttributeKey<java.lang.String>	ATTR_KEY_NODE

Method Summary

Modifier and Type	Method and Description
io.netty.channel.Channel	lease() Get the connection immediately (don't block) or null.
int	lease(java.util.List<io.netty.channel.Channel> conns, int maxCount) Get multiple connections immediately (don't block).
void	release(io.netty.channel.Channel conn) Release the connection back into the pool
void	release(java.util.List<io.netty.channel.Channel> conns) Release the connections back into the pool

Methods inherited from interface java.io.Closeable

close

Field Detail

ATTR_KEY_NODE

static final io.netty.util.AttributeKey<java.lang.String> ATTR_KEY_NODE

Method Detail

lease

io.netty.channel.Channel lease()
                        throws ConnLeaseException

Get the connection immediately (don't block) or null. The caller should decide whether to fail, to sleep or to block if no connection is available at the moment.

Throws:

ConnLeaseException - if no connections are in the pool and was unable to create new connection

lease

int lease(java.util.List<io.netty.channel.Channel> conns,
          int maxCount)
   throws ConnLeaseException

Get multiple connections immediately (don't block).

Parameters:

conns - The output buffer to store the leased connections

maxCount - The count limit

Returns:

the actual count of the connections leased successfully, 0 if no connections available

Throws:

ConnLeaseException - if no connections are in the pool and was unable to create new connection

release

void release(io.netty.channel.Channel conn)

Release the connection back into the pool

release

void release(java.util.List<io.netty.channel.Channel> conns)

Release the connections back into the pool