Package org.apache.iceberg

Class ClientPoolImpl<C,E extends Exception>

java.lang.Object

org.apache.iceberg.ClientPoolImpl<C,E>

All Implemented Interfaces:

Closeable, AutoCloseable, ClientPool<C,E>

Direct Known Subclasses:

HiveClientPool, JdbcClientPool

public abstract class ClientPoolImpl<C,E extends Exception>
extends Object
implements Closeable, ClientPool<C,E>

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.iceberg.ClientPool

ClientPool.Action<R,C,E extends Exception>

Constructor Summary

Constructors

Constructor	Description
ClientPoolImpl(int poolSize, Class<? extends E> reconnectExc, boolean retryByDefault)
ClientPoolImpl(int poolSize, Class<? extends E> reconnectExc, boolean retryByDefault, int maxConnectionRetries)

Method Summary

Modifier and Type	Method	Description
void	close()
protected abstract void	close(C client)
boolean	isClosed()
protected boolean	isConnectionException(Exception exc)
protected abstract C	newClient()
int	poolSize()
protected abstract C	reconnect(C client)
<R> R	run(ClientPool.Action<R,C,E> action)
<R> R	run(ClientPool.Action<R,C,E> action, boolean retry)

Methods inherited from class java.lang.Object

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

Constructor Details

ClientPoolImpl

public ClientPoolImpl(int poolSize,
 Class<? extends E> reconnectExc,
 boolean retryByDefault)

ClientPoolImpl

public ClientPoolImpl(int poolSize,
 Class<? extends E> reconnectExc,
 boolean retryByDefault,
 int maxConnectionRetries)

Method Details

run

public <R> R run(ClientPool.Action<R,C,E> action)
          throws E,
InterruptedException

Specified by:

run in interface ClientPool<C,E extends Exception>

Throws:

E

InterruptedException

run

public <R> R run(ClientPool.Action<R,C,E> action,
 boolean retry)
          throws E,
InterruptedException

Specified by:

run in interface ClientPool<C,E extends Exception>

Throws:

E

InterruptedException

newClient

protected abstract C newClient()

reconnect

protected abstract C reconnect(C client)

isConnectionException

protected boolean isConnectionException(Exception exc)

close

protected abstract void close(C client)

close

public void close()

Specified by:

close in interface AutoCloseable

Specified by:

close in interface Closeable

poolSize

public int poolSize()

isClosed

public boolean isClosed()