Package org.apache.iceberg

Class ClientPoolImpl<C,E extends java.lang.Exception>

java.lang.Object

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

All Implemented Interfaces:

java.io.Closeable, java.lang.AutoCloseable, ClientPool<C,E>

Direct Known Subclasses:

HiveClientPool, JdbcClientPool

public abstract class ClientPoolImpl<C,E extends java.lang.Exception>
extends java.lang.Object
implements java.io.Closeable, ClientPool<C,E>

Nested Class Summary

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

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

Constructor Summary

Constructors

Constructor	Description
ClientPoolImpl(int poolSize, java.lang.Class<? extends E> reconnectExc, boolean retryByDefault)
ClientPoolImpl(int poolSize, java.lang.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(java.lang.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 Detail

ClientPoolImpl

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

ClientPoolImpl

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

Method Detail

run

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

Specified by:

run in interface ClientPool<C,E extends java.lang.Exception>

Throws:

E extends java.lang.Exception

java.lang.InterruptedException

run

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

Specified by:

run in interface ClientPool<C,E extends java.lang.Exception>

Throws:

E extends java.lang.Exception

java.lang.InterruptedException

newClient

protected abstract C newClient()

reconnect

protected abstract C reconnect(C client)

isConnectionException

protected boolean isConnectionException(java.lang.Exception exc)

close

protected abstract void close(C client)

close

public void close()

Specified by:

close in interface java.lang.AutoCloseable

Specified by:

close in interface java.io.Closeable

poolSize

public int poolSize()

isClosed

public boolean isClosed()