org.calrissian.accumulorecipes.commons.iterators

Class ExpirationFilter

java.lang.Object

org.apache.accumulo.core.iterators.WrappingIterator

org.apache.accumulo.core.iterators.Filter

org.calrissian.accumulorecipes.commons.iterators.ExpirationFilter

All Implemented Interfaces:

org.apache.accumulo.core.iterators.OptionDescriber, org.apache.accumulo.core.iterators.SortedKeyValueIterator<org.apache.accumulo.core.data.Key,org.apache.accumulo.core.data.Value>

Direct Known Subclasses:

GlobalIndexExpirationFilter, MetadataExpirationFilter

public abstract class ExpirationFilter
extends org.apache.accumulo.core.iterators.Filter

Allows Accumulo to expire keys/values based on an expiration in the value.

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.accumulo.core.iterators.OptionDescriber

org.apache.accumulo.core.iterators.OptionDescriber.IteratorOptions

Field Summary

Fields inherited from class org.apache.accumulo.core.iterators.Filter

NEGATE

Constructor Summary

Constructors

Constructor and Description
ExpirationFilter()

Method Summary

Methods

Modifier and Type	Method and Description
boolean	accept(org.apache.accumulo.core.data.Key k, org.apache.accumulo.core.data.Value v) Accepts entries whose timestamps are less than currentTime - threshold.
protected abstract long	parseExpiration(org.apache.accumulo.core.data.Value v)

Methods inherited from class org.apache.accumulo.core.iterators.Filter

deepCopy, describeOptions, findTop, init, next, seek, setNegate, validateOptions

Methods inherited from class org.apache.accumulo.core.iterators.WrappingIterator

getSource, getTopKey, getTopValue, hasTop, setSource

Methods inherited from class java.lang.Object

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

Constructor Detail

ExpirationFilter

public ExpirationFilter()

Method Detail

accept

public boolean accept(org.apache.accumulo.core.data.Key k,
             org.apache.accumulo.core.data.Value v)

Accepts entries whose timestamps are less than currentTime - threshold.

Specified by:

accept in class org.apache.accumulo.core.iterators.Filter

parseExpiration

protected abstract long parseExpiration(org.apache.accumulo.core.data.Value v)