org.apache.cassandra.cql3.restrictions

Class SingleColumnRestriction.Slice

java.lang.Object

org.apache.cassandra.cql3.restrictions.SingleColumnRestriction

org.apache.cassandra.cql3.restrictions.SingleColumnRestriction.Slice

All Implemented Interfaces:

Restriction

Enclosing class:

SingleColumnRestriction

public static final class SingleColumnRestriction.Slice
extends SingleColumnRestriction

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.cassandra.cql3.restrictions.SingleColumnRestriction

SingleColumnRestriction.Contains, SingleColumnRestriction.EQ, SingleColumnRestriction.IN, SingleColumnRestriction.InWithMarker, SingleColumnRestriction.InWithValues, SingleColumnRestriction.Slice

Field Summary

Fields inherited from class org.apache.cassandra.cql3.restrictions.SingleColumnRestriction

columnDef

Constructor Summary

Constructors

Constructor and Description
Slice(ColumnDefinition columnDef, Bound bound, boolean inclusive, Term term)

Method Summary

Modifier and Type	Method and Description
void	addIndexExpressionTo(java.util.List<IndexExpression> expressions, SecondaryIndexManager indexManager, QueryOptions options) Adds to the specified list the IndexExpressions corresponding to this Restriction.
CompositesBuilder	appendBoundTo(CFMetaData cfm, CompositesBuilder builder, Bound bound, QueryOptions options) Appends the values of the Restriction for the specified bound to the specified builder.
CompositesBuilder	appendTo(CFMetaData cfm, CompositesBuilder builder, QueryOptions options) Appends the values of this Restriction to the specified builder.
Restriction	doMergeWith(Restriction otherRestriction)
java.lang.Iterable<Function>	getFunctions() Return an Iterable over all of the functions (both native and user-defined) used by any component of the restriction
boolean	hasBound(Bound b) Checks if the specified bound is set or not.
boolean	isContains()
boolean	isEQ()
boolean	isIN()
boolean	isInclusive(Bound b) Checks if the specified bound is inclusive or not.
boolean	isMultiColumn()
boolean	isNotReturningAnyRows(CFMetaData cfm, QueryOptions options) Checks if this restriction will prevent the query to return any rows.
boolean	isOnToken()
boolean	isSlice()
protected boolean	isSupportedBy(SecondaryIndex index) Check if this type of restriction is supported by the specified index.
protected static Bound	reverseBoundIfNeeded(ColumnDefinition columnDefinition, Bound bound) Reverses the specified bound if the column type is a reversed one.
java.lang.String	toString()
protected static java.nio.ByteBuffer	validateIndexedValue(ColumnSpecification columnSpec, java.nio.ByteBuffer value)

Methods inherited from class org.apache.cassandra.cql3.restrictions.SingleColumnRestriction

getColumnDefs, getFirstColumn, getLastColumn, hasSupportingIndex, mergeWith

Methods inherited from class java.lang.Object

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

Constructor Detail

Slice

public Slice(ColumnDefinition columnDef,
             Bound bound,
             boolean inclusive,
             Term term)

Method Detail

getFunctions

public java.lang.Iterable<Function> getFunctions()

Description copied from interface: Restriction

Return an Iterable over all of the functions (both native and user-defined) used by any component of the restriction

Returns:

functions all functions found (may contain duplicates)

isSlice

public boolean isSlice()

Specified by:

isSlice in interface Restriction

appendTo

public CompositesBuilder appendTo(CFMetaData cfm,
                                  CompositesBuilder builder,
                                  QueryOptions options)

Description copied from interface: Restriction

Appends the values of this Restriction to the specified builder.

Parameters:

cfm - the table metadata

builder - the CompositesBuilder to append to.

options - the query options

Returns:

the CompositesBuilder

hasBound

public boolean hasBound(Bound b)

Description copied from interface: Restriction

Checks if the specified bound is set or not.

Specified by:

hasBound in interface Restriction

Parameters:

b - the bound type

Returns:

true if the specified bound is set, false otherwise

appendBoundTo

public CompositesBuilder appendBoundTo(CFMetaData cfm,
                                       CompositesBuilder builder,
                                       Bound bound,
                                       QueryOptions options)

Description copied from interface: Restriction

Appends the values of the Restriction for the specified bound to the specified builder.

Specified by:

appendBoundTo in interface Restriction

Parameters:

cfm - the table metadata

builder - the CompositesBuilder to append to.

bound - the bound

options - the query options

Returns:

the CompositesBuilder

isInclusive

public boolean isInclusive(Bound b)

Description copied from interface: Restriction

Checks if the specified bound is inclusive or not.

Specified by:

isInclusive in interface Restriction

Parameters:

b - the bound type

Returns:

true if the specified bound is inclusive, false otherwise

doMergeWith

public Restriction doMergeWith(Restriction otherRestriction)
                        throws InvalidRequestException

Specified by:

doMergeWith in class SingleColumnRestriction

Throws:

InvalidRequestException

addIndexExpressionTo

public void addIndexExpressionTo(java.util.List<IndexExpression> expressions,
                                 SecondaryIndexManager indexManager,
                                 QueryOptions options)
                          throws InvalidRequestException

Description copied from interface: Restriction

Adds to the specified list the IndexExpressions corresponding to this Restriction.

Parameters:

expressions - the list to add the IndexExpressions to

indexManager - the secondary index manager

options - the query options

Throws:

InvalidRequestException - if this Restriction cannot be converted into IndexExpressions

isSupportedBy

protected boolean isSupportedBy(SecondaryIndex index)

Description copied from class: SingleColumnRestriction

Check if this type of restriction is supported by the specified index.

Specified by:

isSupportedBy in class SingleColumnRestriction

Parameters:

index - the Secondary index

Returns:

true this type of restriction is supported by the specified index, false otherwise.

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

isNotReturningAnyRows

public boolean isNotReturningAnyRows(CFMetaData cfm,
                                     QueryOptions options)

Description copied from interface: Restriction

Checks if this restriction will prevent the query to return any rows.

Specified by:

isNotReturningAnyRows in interface Restriction

Parameters:

cfm - the table metadata

options - the query options

Returns:

true if this restriction will prevent the query to return any rows, otherwise

isOnToken

public boolean isOnToken()

Specified by:

isOnToken in interface Restriction

isMultiColumn

public boolean isMultiColumn()

Specified by:

isMultiColumn in interface Restriction

isEQ

public boolean isEQ()

Specified by:

isEQ in interface Restriction

isIN

public boolean isIN()

Specified by:

isIN in interface Restriction

isContains

public boolean isContains()

Specified by:

isContains in interface Restriction

validateIndexedValue

protected static java.nio.ByteBuffer validateIndexedValue(ColumnSpecification columnSpec,
                                                          java.nio.ByteBuffer value)
                                                   throws InvalidRequestException

Throws:

InvalidRequestException

reverseBoundIfNeeded

protected static Bound reverseBoundIfNeeded(ColumnDefinition columnDefinition,
                                            Bound bound)

Reverses the specified bound if the column type is a reversed one.

Parameters:

columnDefinition - the column definition

bound - the bound

Returns:

the bound reversed if the column type was a reversed one or the original bound