Package org.apache.ignite.internal.processors.cache.query

Class GridCacheQueryManager.CacheSqlIndexMetadata

java.lang.Object

org.apache.ignite.internal.processors.cache.query.GridCacheQueryManager.CacheSqlIndexMetadata

All Implemented Interfaces:

Externalizable, Serializable, GridCacheSqlIndexMetadata

Enclosing class:

GridCacheQueryManager<K,V>

public static class GridCacheQueryManager.CacheSqlIndexMetadata
extends Object
implements GridCacheSqlIndexMetadata

Cache metadata index.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor	Description
CacheSqlIndexMetadata()	Required by Externalizable.

Method Summary

Modifier and Type	Method	Description
boolean	descending(String field)	Gets order of the index for each indexed field.
Collection<String>	descendings()
Collection<String>	fields()	Gets names of fields indexed by this index.
String	name()	Gets name of the index.
void	readExternal(ObjectInput in)
String	toString()
boolean	unique()	Gets whether this is a unique index.
void	writeExternal(ObjectOutput out)

Methods inherited from class java.lang.Object

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

Constructor Detail

CacheSqlIndexMetadata

public CacheSqlIndexMetadata()

Required by Externalizable.

Method Detail

name

public String name()

Gets name of the index.

Specified by:

name in interface GridCacheSqlIndexMetadata

Returns:

Index name.

fields

public Collection<String> fields()

Gets names of fields indexed by this index.

Specified by:

fields in interface GridCacheSqlIndexMetadata

Returns:

Indexed fields names.

descending

public boolean descending(String field)

Gets order of the index for each indexed field.

Specified by:

descending in interface GridCacheSqlIndexMetadata

Parameters:

field - Field name.

Returns:

True if given field is indexed in descending order.

descendings

public Collection<String> descendings()

Specified by:

descendings in interface GridCacheSqlIndexMetadata

Returns:

Descendings.

unique

public boolean unique()

Gets whether this is a unique index.

Specified by:

unique in interface GridCacheSqlIndexMetadata

Returns:

True if index is unique, false otherwise.

writeExternal

public void writeExternal(ObjectOutput out)
                   throws IOException

Specified by:

writeExternal in interface Externalizable

Throws:

IOException

readExternal

public void readExternal(ObjectInput in)
                  throws IOException,
                         ClassNotFoundException

Specified by:

readExternal in interface Externalizable

Throws:

IOException

ClassNotFoundException

toString

public String toString()

Overrides:

toString in class Object