public class FirstEntryInColumnIterator
extends org.apache.accumulo.core.iterators.SkippingIterator
implements org.apache.accumulo.core.iterators.OptionDescriber
| Constructor and Description |
|---|
FirstEntryInColumnIterator() |
FirstEntryInColumnIterator(FirstEntryInColumnIterator other,
org.apache.accumulo.core.iterators.IteratorEnvironment env) |
| Modifier and Type | Method and Description |
|---|---|
protected void |
consume() |
org.apache.accumulo.core.iterators.SortedKeyValueIterator<org.apache.accumulo.core.data.Key,org.apache.accumulo.core.data.Value> |
deepCopy(org.apache.accumulo.core.iterators.IteratorEnvironment env) |
org.apache.accumulo.core.iterators.OptionDescriber.IteratorOptions |
describeOptions() |
boolean |
hasTop() |
void |
init(org.apache.accumulo.core.iterators.SortedKeyValueIterator<org.apache.accumulo.core.data.Key,org.apache.accumulo.core.data.Value> source,
Map<String,String> options,
org.apache.accumulo.core.iterators.IteratorEnvironment env) |
void |
seek(org.apache.accumulo.core.data.Range range,
Collection<org.apache.accumulo.core.data.ByteSequence> columnFamilies,
boolean inclusive) |
static void |
setNumScansBeforeSeek(org.apache.accumulo.core.client.IteratorSetting cfg,
int num)
convenience method to set the option to optimize the frequency of scans vs.
|
boolean |
validateOptions(Map<String,String> options) |
public FirstEntryInColumnIterator()
public FirstEntryInColumnIterator(FirstEntryInColumnIterator other, org.apache.accumulo.core.iterators.IteratorEnvironment env)
public static void setNumScansBeforeSeek(org.apache.accumulo.core.client.IteratorSetting cfg,
int num)
public org.apache.accumulo.core.iterators.SortedKeyValueIterator<org.apache.accumulo.core.data.Key,org.apache.accumulo.core.data.Value> deepCopy(org.apache.accumulo.core.iterators.IteratorEnvironment env)
deepCopy in interface org.apache.accumulo.core.iterators.SortedKeyValueIterator<org.apache.accumulo.core.data.Key,org.apache.accumulo.core.data.Value>deepCopy in class org.apache.accumulo.core.iterators.WrappingIteratorpublic void init(org.apache.accumulo.core.iterators.SortedKeyValueIterator<org.apache.accumulo.core.data.Key,org.apache.accumulo.core.data.Value> source,
Map<String,String> options,
org.apache.accumulo.core.iterators.IteratorEnvironment env)
throws IOException
init in interface org.apache.accumulo.core.iterators.SortedKeyValueIterator<org.apache.accumulo.core.data.Key,org.apache.accumulo.core.data.Value>init in class org.apache.accumulo.core.iterators.WrappingIteratorIOExceptionprotected void consume()
throws IOException
consume in class org.apache.accumulo.core.iterators.SkippingIteratorIOExceptionpublic boolean hasTop()
hasTop in interface org.apache.accumulo.core.iterators.SortedKeyValueIterator<org.apache.accumulo.core.data.Key,org.apache.accumulo.core.data.Value>hasTop in class org.apache.accumulo.core.iterators.WrappingIteratorpublic void seek(org.apache.accumulo.core.data.Range range,
Collection<org.apache.accumulo.core.data.ByteSequence> columnFamilies,
boolean inclusive)
throws IOException
seek in interface org.apache.accumulo.core.iterators.SortedKeyValueIterator<org.apache.accumulo.core.data.Key,org.apache.accumulo.core.data.Value>seek in class org.apache.accumulo.core.iterators.SkippingIteratorIOExceptionpublic org.apache.accumulo.core.iterators.OptionDescriber.IteratorOptions describeOptions()
describeOptions in interface org.apache.accumulo.core.iterators.OptionDescriberCopyright © 2014 Calrissian. All Rights Reserved.