public class OfflineScanner extends ScannerOptions implements Scanner
fetchedColumns, serverSideIteratorList, serverSideIteratorOptions
Constructor and Description |
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OfflineScanner(Instance instance,
AuthInfo credentials,
String tableId,
Authorizations authorizations) |
Modifier and Type | Method and Description |
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void |
disableIsolation()
Disables row isolation.
|
void |
enableIsolation()
Enables row isolation.
|
int |
getBatchSize()
Returns the batch size (number of Key/Value pairs) that will be fetched at a time from a tablet server.
|
Range |
getRange()
Returns the range of keys to scan over.
|
int |
getTimeOut()
Returns the setting for how long a scanner will automatically retry when a failure occurs.
|
Iterator<Map.Entry<Key,Value>> |
iterator()
Returns an iterator over an accumulo table.
|
void |
setBatchSize(int size)
Sets the number of Key/Value pairs that will be fetched at a time from a tablet server.
|
void |
setRange(Range range)
Sets the range of keys to scan over.
|
void |
setTimeOut(int timeOut)
This setting determines how long a scanner will automatically retry when a failure occurs.
|
addScanIterator, clearColumns, clearScanIterators, fetchColumn, fetchColumn, fetchColumnFamily, getFetchedColumns, removeScanIterator, setColumnFamilyRegex, setColumnQualifierRegex, setOptions, setRowRegex, setScanIteratorOption, setScanIterators, setupRegex, setValueRegex, updateScanIteratorOption
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
addScanIterator, clearColumns, clearScanIterators, fetchColumn, fetchColumnFamily, removeScanIterator, setColumnFamilyRegex, setColumnQualifierRegex, setRowRegex, setScanIteratorOption, setScanIterators, setupRegex, setValueRegex, updateScanIteratorOption
public OfflineScanner(Instance instance, AuthInfo credentials, String tableId, Authorizations authorizations)
public void setTimeOut(int timeOut)
Scanner
setTimeOut
in interface Scanner
timeOut
- in secondspublic int getTimeOut()
Scanner
getTimeOut
in interface Scanner
public void setRange(Range range)
Scanner
public Range getRange()
Scanner
public void setBatchSize(int size)
Scanner
setBatchSize
in interface Scanner
size
- the number of Key/Value pairs to fetch per call to Accumulopublic int getBatchSize()
Scanner
getBatchSize
in interface Scanner
public void enableIsolation()
Scanner
enableIsolation
in interface Scanner
public void disableIsolation()
Scanner
disableIsolation
in interface Scanner
public Iterator<Map.Entry<Key,Value>> iterator()
ScannerBase
iterator
in interface Iterable<Map.Entry<Key,Value>>
iterator
in interface ScannerBase
iterator
in class ScannerOptions
Copyright © 2012 The Apache Software Foundation. All Rights Reserved.