org.springframework.data.mongodb.core.index

Class Index

java.lang.Object

org.springframework.data.mongodb.core.index.Index

All Implemented Interfaces:

IndexDefinition

Direct Known Subclasses:

CompoundIndexDefinition

public class Index
extends Object
implements IndexDefinition

Author:

Oliver Gierke, Christoph Strobl

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	Index.Duplicates

Constructor Summary

Constructors

Constructor and Description
Index()
Index(String key, Order order) Deprecated. use #Index(String, Direction) instead.
Index(String key, Sort.Direction direction)

Method Summary

Modifier and Type	Method and Description
Index	background() Build the index in background (non blocking).
Index	expire(long value) Specifies TTL in seconds.
Index	expire(long value, TimeUnit unit) Specifies TTL with given TimeUnit.
com.mongodb.DBObject	getIndexKeys()
com.mongodb.DBObject	getIndexOptions()
Index	named(String name)
Index	on(String key, Order order) Deprecated. use #on(String, Direction) instead.
Index	on(String key, Sort.Direction direction)
Index	sparse() Skip over any document that is missing the indexed field.
String	toString()
Index	unique() Reject all documents that contain a duplicate value for the indexed field.
Index	unique(Index.Duplicates duplicates)

Methods inherited from class java.lang.Object

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

Constructor Detail

Index

public Index()

Index

public Index(String key,
             Sort.Direction direction)

Index

@Deprecated
public Index(String key,
                         Order order)

Deprecated. use #Index(String, Direction) instead.

Creates a new Indexed on the given key and Order.

Parameters:

key - must not be null or empty.

order - must not be null.

Method Detail

on

@Deprecated
public Index on(String key,
                            Order order)

Deprecated. use #on(String, Direction) instead.

Adds the given field to the index.

Parameters:

key - must not be null or empty.

order - must not be null.

Returns:

on

public Index on(String key,
                Sort.Direction direction)

named

public Index named(String name)

unique

public Index unique()

Reject all documents that contain a duplicate value for the indexed field.

Returns:

See Also:

http://docs.mongodb.org/manual/core/index-unique/

sparse

public Index sparse()

Skip over any document that is missing the indexed field.

Returns:

See Also:

http://docs.mongodb.org/manual/core/index-sparse/

background

public Index background()

Build the index in background (non blocking).

Returns:

Since:

1.5

expire

public Index expire(long value)

Specifies TTL in seconds.

Parameters:

value -

Returns:

Since:

1.5

expire

public Index expire(long value,
                    TimeUnit unit)

Specifies TTL with given TimeUnit.

Parameters:

value -

unit -

Returns:

Since:

1.5

unique

public Index unique(Index.Duplicates duplicates)

Parameters:

duplicates -

Returns:

See Also:

http://docs.mongodb.org/manual/core/index-creation/#index-creation-duplicate-dropping

getIndexKeys

public com.mongodb.DBObject getIndexKeys()

Specified by:

getIndexKeys in interface IndexDefinition

getIndexOptions

public com.mongodb.DBObject getIndexOptions()

Specified by:

getIndexOptions in interface IndexDefinition

toString

public String toString()

Overrides:

toString in class Object