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java.lang.Objectcom.netflix.astyanax.recipes.uniqueness.MultiRowUniquenessConstraint
public class MultiRowUniquenessConstraint
Check uniqueness for multiple rows.
Constructor Summary | |
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MultiRowUniquenessConstraint(Keyspace keyspace)
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Method Summary | |
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void |
acquire()
Acquire the row(s) for uniqueness. |
String |
getLockColumn()
Return the lock column written to ALL rows |
void |
release()
Release the uniqueness lock for this row. |
MultiRowUniquenessConstraint |
withColumnPrefix(String prefix)
Specify the prefix that uniquely distinguishes the lock columns from data columns |
MultiRowUniquenessConstraint |
withConsistencyLevel(ConsistencyLevel consistencyLevel)
Consistency level used |
MultiRowUniquenessConstraint |
withLockColumn(String column)
Override the autogenerated lock column. |
MultiRowUniquenessConstraint |
withRow(ColumnFamily<String,String> columnFamily,
String rowKey)
Add a row to the set of rows being tested for uniqueness |
MultiRowUniquenessConstraint |
withTtl(Integer ttl)
TTL to use for the uniquness operation. |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public MultiRowUniquenessConstraint(Keyspace keyspace)
Method Detail |
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public MultiRowUniquenessConstraint withTtl(Integer ttl)
ttl
-
public MultiRowUniquenessConstraint withColumnPrefix(String prefix)
prefix
-
public MultiRowUniquenessConstraint withLockColumn(String column)
column
-
public MultiRowUniquenessConstraint withConsistencyLevel(ConsistencyLevel consistencyLevel)
consistencyLevel
-
public MultiRowUniquenessConstraint withRow(ColumnFamily<String,String> columnFamily, String rowKey)
columnFamily
- rowKey
-
public String getLockColumn()
public void acquire() throws NotUniqueException, Exception
UniquenessConstraint
acquire
in interface UniquenessConstraint
NotUniqueException
Exception
public void release() throws Exception
UniquenessConstraint
release
in interface UniquenessConstraint
Exception
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