public abstract class TokenRestriction
extends java.lang.Object
Restriction using the token function.| Modifier and Type | Class and Description |
|---|---|
static class |
TokenRestriction.EQRestriction |
static class |
TokenRestriction.SliceRestriction |
| Modifier and Type | Field and Description |
|---|---|
protected java.util.List<ColumnDefinition> |
columnDefs
The definition of the columns to which apply the token restriction.
|
protected ClusteringComparator |
comparator
The composite type.
|
| Constructor and Description |
|---|
TokenRestriction(CFMetaData metadata,
java.util.List<ColumnDefinition> columnDefs)
Creates a new
TokenRestriction that apply to the specified columns. |
| Modifier and Type | Method and Description |
|---|---|
void |
addFunctionsTo(java.util.List<Function> functions)
Adds all functions (native and user-defined) used by any component of the restriction
to the specified list.
|
void |
addRowFilterTo(RowFilter filter,
SecondaryIndexManager indexManager,
QueryOptions options)
Adds to the specified row filter the expressions corresponding to this
Restriction. |
MultiCBuilder |
appendBoundTo(MultiCBuilder builder,
Bound bound,
QueryOptions options)
Appends the values of the
Restriction for the specified bound to the specified builder. |
MultiCBuilder |
appendTo(MultiCBuilder builder,
QueryOptions options)
Appends the values of this
Restriction to the specified builder. |
java.util.List<java.nio.ByteBuffer> |
bounds(Bound b,
QueryOptions options) |
java.util.NavigableSet<Slice.Bound> |
boundsAsClustering(Bound bound,
QueryOptions options) |
protected abstract org.apache.cassandra.cql3.restrictions.PrimaryKeyRestrictions |
doMergeWith(TokenRestriction otherRestriction)
Merges this restriction with the specified
TokenRestriction. |
java.util.List<ColumnDefinition> |
getColumnDefs()
Returns the column definitions in position order.
|
protected java.lang.String |
getColumnNamesAsString()
Returns the column names as a comma separated
String. |
ColumnDefinition |
getFirstColumn()
Returns the definition of the first column.
|
ColumnDefinition |
getLastColumn()
Returns the definition of the last column.
|
boolean |
hasBound(Bound b)
Checks if the specified bound is set or not.
|
boolean |
hasSupportingIndex(SecondaryIndexManager secondaryIndexManager)
Check if the restriction is on indexed columns.
|
boolean |
isContains() |
boolean |
isEmpty()
Checks if this
PrimaryKeyRestrictionSet is empty or not. |
boolean |
isEQ() |
boolean |
isIN() |
boolean |
isInclusive(Bound b)
Checks if the specified bound is inclusive or not.
|
boolean |
isMultiColumn() |
boolean |
isNotNull() |
boolean |
isOnToken() |
boolean |
isSlice() |
org.apache.cassandra.cql3.restrictions.PrimaryKeyRestrictions |
mergeWith(Restriction otherRestriction)
Merges this restriction with the specified one.
|
protected static Bound |
reverseBoundIfNeeded(ColumnDefinition columnDefinition,
Bound bound)
Reverses the specified bound if the column type is a reversed one.
|
int |
size()
Returns the number of columns that have a restriction.
|
java.util.List<java.nio.ByteBuffer> |
values(QueryOptions options) |
java.util.NavigableSet<Clustering> |
valuesAsClustering(QueryOptions options) |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, waitaddFunctionsTo, appendBoundTo, hasBound, isContains, isEQ, isIN, isInclusive, isMultiColumn, isNotNull, isSliceprotected final java.util.List<ColumnDefinition> columnDefs
protected final ClusteringComparator comparator
public TokenRestriction(CFMetaData metadata, java.util.List<ColumnDefinition> columnDefs)
TokenRestriction that apply to the specified columns.columnDefs - the definition of the columns to which apply the token restrictionpublic boolean isOnToken()
isOnToken in interface Restrictionpublic java.util.List<ColumnDefinition> getColumnDefs()
Restrictionpublic ColumnDefinition getFirstColumn()
Restrictionpublic ColumnDefinition getLastColumn()
Restrictionpublic boolean hasSupportingIndex(SecondaryIndexManager secondaryIndexManager)
RestrictionsecondaryIndexManager - the index managertrue if the restriction is on indexed columns, falsepublic void addRowFilterTo(RowFilter filter, SecondaryIndexManager indexManager, QueryOptions options)
RestrictionRestriction.filter - the row filter to add expressions toindexManager - the secondary index manageroptions - the query optionspublic MultiCBuilder appendTo(MultiCBuilder builder, QueryOptions options)
RestrictionRestriction to the specified builder.builder - the MultiCBuilder to append to.options - the query optionsMultiCBuilderpublic java.util.NavigableSet<Clustering> valuesAsClustering(QueryOptions options) throws InvalidRequestException
InvalidRequestExceptionpublic java.util.NavigableSet<Slice.Bound> boundsAsClustering(Bound bound, QueryOptions options) throws InvalidRequestException
InvalidRequestExceptionprotected final java.lang.String getColumnNamesAsString()
String.String.public final org.apache.cassandra.cql3.restrictions.PrimaryKeyRestrictions mergeWith(Restriction otherRestriction) throws InvalidRequestException
RestrictionRestriction are immutable. Therefore merging two restrictions result in a new one. The reason behind this choice is that it allow a great flexibility in the way the merging can done while preventing any side effect.
otherRestriction - the restriction to merge into this oneInvalidRequestException - if the restrictions cannot be mergedprotected abstract org.apache.cassandra.cql3.restrictions.PrimaryKeyRestrictions doMergeWith(TokenRestriction otherRestriction) throws InvalidRequestException
TokenRestriction.otherRestriction - the TokenRestriction to merge with.InvalidRequestExceptionpublic java.util.List<java.nio.ByteBuffer> bounds(Bound b, QueryOptions options) throws InvalidRequestException
InvalidRequestExceptionpublic final boolean isEmpty()
PrimaryKeyRestrictionSet is empty or not.true if this PrimaryKeyRestrictionSet is empty, false otherwise.public final int size()
public java.util.List<java.nio.ByteBuffer> values(QueryOptions options) throws InvalidRequestException
InvalidRequestExceptionpublic void addFunctionsTo(java.util.List<Function> functions)
functions - the list to add topublic boolean isMultiColumn()
isMultiColumn in interface Restrictionpublic boolean isSlice()
isSlice in interface Restrictionpublic boolean isEQ()
isEQ in interface Restrictionpublic boolean isIN()
isIN in interface Restrictionpublic boolean isContains()
isContains in interface Restrictionpublic boolean isNotNull()
isNotNull in interface Restrictionpublic boolean hasBound(Bound b)
RestrictionhasBound in interface Restrictionb - the bound typetrue if the specified bound is set, false otherwisepublic MultiCBuilder appendBoundTo(MultiCBuilder builder, Bound bound, QueryOptions options)
RestrictionRestriction for the specified bound to the specified builder.appendBoundTo in interface Restrictionbuilder - the MultiCBuilder to append to.bound - the boundoptions - the query optionsMultiCBuilderpublic boolean isInclusive(Bound b)
RestrictionisInclusive in interface Restrictionb - the bound typetrue if the specified bound is inclusive, false otherwiseprotected static Bound reverseBoundIfNeeded(ColumnDefinition columnDefinition, Bound bound)
columnDefinition - the column definitionbound - the boundCopyright © 2016 The Apache Software Foundation