io.prestosql.operator.index

Class PageBuffer

java.lang.Object

io.prestosql.operator.index.PageBuffer

@ThreadSafe
public class PageBuffer
extends Object

Constructor Summary

Constructors

Constructor and Description
PageBuffer(int maxBufferedPages)

Method Summary

Modifier and Type	Method and Description
com.google.common.util.concurrent.ListenableFuture<?>	add(Page page) Adds a page to the buffer.
boolean	isFull()
Page	poll() Return a page from the buffer, or null if none exists

Methods inherited from class java.lang.Object

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

Constructor Detail

PageBuffer

public PageBuffer(int maxBufferedPages)

Method Detail

isFull

public boolean isFull()

add

public com.google.common.util.concurrent.ListenableFuture<?> add(Page page)

Adds a page to the buffer. Returns a ListenableFuture that is marked as done when the next page can be added.

poll

public Page poll()

Return a page from the buffer, or null if none exists