org.apache.cassandra.db
Class CounterColumn
java.lang.Object
org.apache.cassandra.db.Column
org.apache.cassandra.db.CounterColumn
- All Implemented Interfaces:
- IColumn
public class CounterColumn
- extends Column
A column that represents a partitioned counter.
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Constructor Summary |
CounterColumn(java.nio.ByteBuffer name,
java.nio.ByteBuffer value,
long timestamp)
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CounterColumn(java.nio.ByteBuffer name,
java.nio.ByteBuffer value,
long timestamp,
long timestampOfLastDelete)
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CounterColumn(java.nio.ByteBuffer name,
long value,
long timestamp)
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CounterColumn(java.nio.ByteBuffer name,
long value,
long timestamp,
long timestampOfLastDelete)
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| Methods inherited from class org.apache.cassandra.db.Column |
addColumn, getLocalDeletionTime, getMarkedForDeleteAt, getSubColumn, getSubColumns, isLive, isMarkedForDelete, mostRecentLiveChangeAt, name, serializedSize, serializer, timestamp, validateName, value |
| Methods inherited from class java.lang.Object |
clone, finalize, getClass, notify, notifyAll, toString, wait, wait, wait |
contextManager
protected static final CounterContext contextManager
CounterColumn
public CounterColumn(java.nio.ByteBuffer name,
long value,
long timestamp)
CounterColumn
public CounterColumn(java.nio.ByteBuffer name,
long value,
long timestamp,
long timestampOfLastDelete)
CounterColumn
public CounterColumn(java.nio.ByteBuffer name,
java.nio.ByteBuffer value,
long timestamp)
CounterColumn
public CounterColumn(java.nio.ByteBuffer name,
java.nio.ByteBuffer value,
long timestamp,
long timestampOfLastDelete)
timestampOfLastDelete
public long timestampOfLastDelete()
total
public long total()
size
public int size()
- Specified by:
size in interface IColumn- Overrides:
size in class Column
diff
public IColumn diff(IColumn column)
- Specified by:
diff in interface IColumn- Overrides:
diff in class Column
updateDigest
public void updateDigest(java.security.MessageDigest digest)
- Specified by:
updateDigest in interface IColumn- Overrides:
updateDigest in class Column
reconcile
public IColumn reconcile(IColumn column)
- Specified by:
reconcile in interface IColumn- Overrides:
reconcile in class Column
equals
public boolean equals(java.lang.Object o)
- Overrides:
equals in class Column
hashCode
public int hashCode()
- Overrides:
hashCode in class Column
localCopy
public IColumn localCopy(ColumnFamilyStore cfs)
- Description copied from interface:
IColumn
- clones the column, interning column names and making copies of other underlying byte buffers
- Specified by:
localCopy in interface IColumn- Overrides:
localCopy in class Column
getString
public java.lang.String getString(AbstractType comparator)
- Specified by:
getString in interface IColumn- Overrides:
getString in class Column
serializationFlags
public int serializationFlags()
- Specified by:
serializationFlags in interface IColumn- Overrides:
serializationFlags in class Column
validateFields
public void validateFields(CFMetaData metadata)
throws MarshalException
- Specified by:
validateFields in interface IColumn- Overrides:
validateFields in class Column
- Throws:
MarshalException
hasNodeId
public boolean hasNodeId(NodeId id)
- Check if a given nodeId is found in this CounterColumn context.
computeOldShardMerger
public CounterColumn computeOldShardMerger()
removeOldShards
public static void removeOldShards(ColumnFamily cf,
int gcBefore)
Copyright © 2011 The Apache Software Foundation