org.apache.cassandra.db.index
Class SecondaryIndexSearcher

java.lang.Object
  org.apache.cassandra.db.index.SecondaryIndexSearcher

Direct Known Subclasses:

CompositesSearcher, KeysSearcher

public abstract class SecondaryIndexSearcher
extends java.lang.Object

Field Summary

protected ColumnFamilyStore	baseCfs
protected java.util.Set<java.nio.ByteBuffer>	columns
protected SecondaryIndexManager	indexManager

Constructor Summary

SecondaryIndexSearcher(SecondaryIndexManager indexManager, java.util.Set<java.nio.ByteBuffer> columns)

Method Summary

abstract boolean	isIndexing(java.util.List<org.apache.cassandra.thrift.IndexExpression> clause)
protected boolean	isIndexValueStale(ColumnFamily liveData, java.nio.ByteBuffer indexedColumnName, java.nio.ByteBuffer indexedValue)
abstract java.util.List<Row>	search(java.util.List<org.apache.cassandra.thrift.IndexExpression> clause, AbstractBounds<RowPosition> range, int maxResults, IDiskAtomFilter dataFilter, boolean countCQL3Rows)

Methods inherited from class java.lang.Object

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

Field Detail

indexManager

protected final SecondaryIndexManager indexManager

columns

protected final java.util.Set<java.nio.ByteBuffer> columns

baseCfs

protected final ColumnFamilyStore baseCfs

Constructor Detail

SecondaryIndexSearcher

public SecondaryIndexSearcher(SecondaryIndexManager indexManager,
                              java.util.Set<java.nio.ByteBuffer> columns)

Method Detail

search

public abstract java.util.List<Row> search(java.util.List<org.apache.cassandra.thrift.IndexExpression> clause,
                                           AbstractBounds<RowPosition> range,
                                           int maxResults,
                                           IDiskAtomFilter dataFilter,
                                           boolean countCQL3Rows)

isIndexing

public abstract boolean isIndexing(java.util.List<org.apache.cassandra.thrift.IndexExpression> clause)

Returns:

true this index is able to handle given clauses.

isIndexValueStale

protected boolean isIndexValueStale(ColumnFamily liveData,
                                    java.nio.ByteBuffer indexedColumnName,
                                    java.nio.ByteBuffer indexedValue)