Package org.apache.cassandra.db.filter

Class RowFilter.CustomExpression

java.lang.Object

org.apache.cassandra.db.filter.RowFilter.Expression

org.apache.cassandra.db.filter.RowFilter.CustomExpression

Enclosing class:

RowFilter

public static final class RowFilter.CustomExpression
extends RowFilter.Expression

A custom index expression for use with 2i implementations which support custom syntax and which are not necessarily linked to a single column in the base table.

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.cassandra.db.filter.RowFilter.Expression

RowFilter.Expression.Kind

Field Summary

Fields inherited from class org.apache.cassandra.db.filter.RowFilter.Expression

column, operator, value

Constructor Summary

Constructors

Constructor	Description
CustomExpression(TableMetadata table, IndexMetadata targetIndex, ByteBuffer value)

Method Summary

Modifier and Type	Method	Description
IndexMetadata	getTargetIndex()
ByteBuffer	getValue()
boolean	isSatisfiedBy(TableMetadata metadata, DecoratedKey partitionKey, Row row, long nowInSec)	Returns whether the provided row satisfied this expression or not.
protected RowFilter.Expression.Kind	kind()
protected String	toString(boolean cql)

Methods inherited from class org.apache.cassandra.db.filter.RowFilter.Expression

column, equals, getIndexValue, getValue, hashCode, isContains, isContainsKey, isCustom, isUserDefined, operator, toCQLString, toString, validate, validateForIndexing

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Details

CustomExpression

public CustomExpression(TableMetadata table,
 IndexMetadata targetIndex,
 ByteBuffer value)

Method Details

getTargetIndex

public IndexMetadata getTargetIndex()

getValue

public ByteBuffer getValue()

toString

protected String toString(boolean cql)

Specified by:

toString in class RowFilter.Expression

kind

protected RowFilter.Expression.Kind kind()

Specified by:

kind in class RowFilter.Expression

isSatisfiedBy

public boolean isSatisfiedBy(TableMetadata metadata,
 DecoratedKey partitionKey,
 Row row,
 long nowInSec)

Description copied from class: RowFilter.Expression

Returns whether the provided row satisfied this expression or not.

Specified by:

isSatisfiedBy in class RowFilter.Expression

partitionKey - the partition key for row to check.

row - the row to check. It should *not* contain deleted cells (i.e. it should come from a RowIterator).

Returns:

whether the row is satisfied by this expression.