Package org.springframework.data.mongodb.core.query

Class Update

java.lang.Object

org.springframework.data.mongodb.core.query.Update

All Implemented Interfaces:

UpdateDefinition

Direct Known Subclasses:

BasicUpdate

public class Update
extends Object
implements UpdateDefinition

Class to easily construct MongoDB update clauses.

Author:

Thomas Risberg, Mark Pollack, Oliver Gierke, Becca Gaspard, Christoph Strobl, Thomas Darimont, Alexey Plotnik, Mark Paluch, Pavel Vodrazka

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
class	Update.AddToSetBuilder	Builder for creating $addToSet modifier.
static class	Update.BitwiseOperatorBuilder
static interface	Update.Modifier	Marker interface of nested commands.
static class	Update.Modifiers	Modifiers holds a distinct collection of Update.Modifier
static enum	Update.Position
class	Update.PushOperatorBuilder	Builder for creating $push modifiers

Nested classes/interfaces inherited from interface org.springframework.data.mongodb.core.query.UpdateDefinition

UpdateDefinition.ArrayFilter

Constructor Summary

Constructors

Constructor	Description
Update()

Method Summary

Modifier and Type	Method	Description
protected void	addMultiFieldOperation(String operator, String key, Object value)
Update.AddToSetBuilder	addToSet(String key)	Update using $addToSet modifier.
Update	addToSet(String key, Object value)	Update using the $addToSet update modifier
Update.BitwiseOperatorBuilder	bitwise(String key)	The operator supports bitwise and, bitwise or, and bitwise xor operations.
Update	currentDate(String key)	Update given key to current date using $currentDate modifier.
Update	currentTimestamp(String key)	Update given key to current date using $currentDate : { $type : "timestamp" } modifier.
boolean	equals(Object obj)
Update	filterArray(String identifier, Object expression)	Filter elements in an array that match the given criteria for update.
Update	filterArray(CriteriaDefinition criteria)	Filter elements in an array that match the given criteria for update.
static Update	fromDocument(org.bson.Document object, String... exclude)	Creates an Update instance from the given Document.
List<UpdateDefinition.ArrayFilter>	getArrayFilters()	Get the specification which elements to modify in an array field.
org.bson.Document	getUpdateObject()
boolean	hasArrayFilters()
int	hashCode()
void	inc(String key)	Increment the value of a given key by 1.
Update	inc(String key, Number inc)	Update using the $inc update modifier
Boolean	isIsolated()	If true prevents a write operation that affects multiple documents from yielding to other reads or writes once the first document is written.
Update	isolated()	Prevents a write operation that affects multiple documents from yielding to other reads or writes once the first document is written.
Update	max(String key, Object value)	Update given key to the value if the value is greater than the current value of the field.
Update	min(String key, Object value)	Update given key to the value if the value is less than the current value of the field.
boolean	modifies(String key)	Determine if a given key will be touched on execution.
Update	multiply(String key, Number multiplier)	Multiply the value of given key by the given number.
Update	pop(String key, Update.Position pos)	Update using the $pop update modifier
Update	pull(String key, Object value)	Update using the $pull update modifier
Update	pullAll(String key, Object[] values)	Update using the $pullAll update modifier
Update.PushOperatorBuilder	push(String key)	Update using $push modifier.
Update	push(String key, Object value)	Update using the $push update modifier
Update	rename(String oldName, String newName)	Update using the $rename update modifier
Update	set(String key, Object value)	Update using the $set update modifier
Update	setOnInsert(String key, Object value)	Update using the $setOnInsert update modifier
String	toString()
Update	unset(String key)	Update using the $unset update modifier
static Update	update(String key, Object value)	Static factory method to create an Update using the provided key

Methods inherited from class java.lang.Object

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

Constructor Details

Update

public Update()

Method Details

update

public static Update update(String key,
 @Nullable
 Object value)

Static factory method to create an Update using the provided key

Parameters:

key - the field to update.

Returns:

new instance of Update.

fromDocument

public static Update fromDocument(org.bson.Document object,
 String... exclude)

Creates an Update instance from the given Document. Allows to explicitly exclude fields from making it into the created Update object. Note, that this will set attributes directly and not use $set. This means fields not given in the Document will be nulled when executing the update. To create an only-updating Update instance of a Document, call set(String, Object) for each value in it.

Parameters:

object - the source Document to create the update from.

exclude - the fields to exclude.

Returns:

new instance of Update.

set

public Update set(String key,
 @Nullable
 Object value)

Update using the $set update modifier

Parameters:

key - the field name.

value - can be null. In this case the property remains in the db with a null value. To remove it use unset(String).

Returns:

this.

See Also:

• MongoDB Update operator: $set

setOnInsert

public Update setOnInsert(String key,
 @Nullable
 Object value)

Update using the $setOnInsert update modifier

Parameters:

key - the field name.

value - can be null.

Returns:

this.

See Also:

• MongoDB Update operator: $setOnInsert

unset

public Update unset(String key)

Update using the $unset update modifier

Parameters:

key - the field name.

Returns:

this.

See Also:

• MongoDB Update operator: $unset

inc

public Update inc(String key,
 Number inc)

Update using the $inc update modifier

Parameters:

key - the field name.

inc - must not be null.

Returns:

this.

See Also:

• MongoDB Update operator: $inc

inc

public void inc(String key)

Description copied from interface: UpdateDefinition

Increment the value of a given key by 1.

Specified by:

inc in interface UpdateDefinition

Parameters:

key - must not be null.

push

public Update push(String key,
 @Nullable
 Object value)

Update using the $push update modifier

Parameters:

key - the field name.

value - can be null.

Returns:

this.

See Also:

• MongoDB Update operator: $push

push

public Update.PushOperatorBuilder push(String key)

Update using $push modifier.
Allows creation of $push command for single or multiple (using $each) values as well as using $position.

Parameters:

key - the field name.

Returns:

Update.PushOperatorBuilder for given key

See Also:

• MongoDB Update operator: $push
• MongoDB Update operator: $each

addToSet

public Update.AddToSetBuilder addToSet(String key)

Update using $addToSet modifier.
Allows creation of $push command for single or multiple (using $each) values

Parameters:

key - the field name.

Returns:

new instance of Update.AddToSetBuilder.

Since:

1.5

addToSet

public Update addToSet(String key,
 @Nullable
 Object value)

Update using the $addToSet update modifier

Parameters:

key - the field name.

value - can be null.

Returns:

this.

See Also:

• MongoDB Update operator: $addToSet

pop

public Update pop(String key,
 Update.Position pos)

Update using the $pop update modifier

Parameters:

key - the field name.

pos - must not be null.

Returns:

this.

See Also:

• MongoDB Update operator: $pop

pull

public Update pull(String key,
 @Nullable
 Object value)

Update using the $pull update modifier

Parameters:

key - the field name.

value - can be null.

Returns:

this.

See Also:

• MongoDB Update operator: $pull

pullAll

public Update pullAll(String key,
 Object[] values)

Update using the $pullAll update modifier

Parameters:

key - the field name.

values - must not be null.

Returns:

this.

See Also:

• MongoDB Update operator: $pullAll

rename

public Update rename(String oldName,
 String newName)

Update using the $rename update modifier

Parameters:

oldName - must not be null.

newName - must not be null.

Returns:

this.

See Also:

• MongoDB Update operator: $rename

currentDate

public Update currentDate(String key)

Update given key to current date using $currentDate modifier.

Parameters:

key - the field name.

Returns:

this.

Since:

1.6

See Also:

• MongoDB Update operator: $currentDate

currentTimestamp

public Update currentTimestamp(String key)

Update given key to current date using $currentDate : { $type : "timestamp" } modifier.

Parameters:

key - the field name.

Returns:

this.

Since:

1.6

See Also:

• MongoDB Update operator: $currentDate

multiply

public Update multiply(String key,
 Number multiplier)

Multiply the value of given key by the given number.

Parameters:

key - must not be null.

multiplier - must not be null.

Returns:

this.

Since:

1.7

See Also:

• MongoDB Update operator: $mul

max

public Update max(String key,
 Object value)

Update given key to the value if the value is greater than the current value of the field.

Parameters:

key - must not be null.

value - must not be null.

Returns:

this.

Since:

1.10

See Also:

• Comparison/Sort Order
• MongoDB Update operator: $max

min

public Update min(String key,
 Object value)

Update given key to the value if the value is less than the current value of the field.

Parameters:

key - must not be null.

value - must not be null.

Returns:

this.

Since:

1.10

See Also:

• Comparison/Sort Order
• MongoDB Update operator: $min

bitwise

public Update.BitwiseOperatorBuilder bitwise(String key)

The operator supports bitwise and, bitwise or, and bitwise xor operations.

Parameters:

key - the field name.

Returns:

this.

Since:

1.7

isolated

public Update isolated()

Prevents a write operation that affects multiple documents from yielding to other reads or writes once the first document is written.
Use with MongoOperations.updateMulti(Query, UpdateDefinition, Class).

Returns:

this.

Since:

2.0

filterArray

public Update filterArray(CriteriaDefinition criteria)

Filter elements in an array that match the given criteria for update. CriteriaDefinition is passed directly to the driver without further type or field mapping.

Parameters:

criteria - must not be null.

Returns:

this.

Since:

2.2

filterArray

public Update filterArray(String identifier,
 Object expression)

Filter elements in an array that match the given criteria for update. expression is used directly with the driver without further further type or field mapping.

Parameters:

identifier - the positional operator identifier filter criteria name.

expression - the positional operator filter expression.

Returns:

this.

Since:

2.2

isIsolated

public Boolean isIsolated()

Description copied from interface: UpdateDefinition

If true prevents a write operation that affects multiple documents from yielding to other reads or writes once the first document is written.

Specified by:

isIsolated in interface UpdateDefinition

Returns:

true if update isolated is set.

getUpdateObject

public org.bson.Document getUpdateObject()

Specified by:

getUpdateObject in interface UpdateDefinition

Returns:

the actual update in its native Document format. Never null.

getArrayFilters

public List<UpdateDefinition.ArrayFilter> getArrayFilters()

Description copied from interface: UpdateDefinition

Get the specification which elements to modify in an array field. UpdateDefinition.ArrayFilter are passed directly to the driver without further type or field mapping.

Specified by:

getArrayFilters in interface UpdateDefinition

Returns:

never null.

hasArrayFilters

public boolean hasArrayFilters()

Specified by:

hasArrayFilters in interface UpdateDefinition

Returns:

true if UpdateDefinition contains array filters.

addMultiFieldOperation

protected void addMultiFieldOperation(String operator,
 String key,
 @Nullable
 Object value)

modifies

public boolean modifies(String key)

Determine if a given key will be touched on execution.

Specified by:

modifies in interface UpdateDefinition

Parameters:

key - the field name.

Returns:

true if given field is updated.

hashCode

public int hashCode()

Overrides:

hashCode in class Object

equals

public boolean equals(@Nullable
 Object obj)

Overrides:

equals in class Object

toString

public String toString()

Overrides:

toString in class Object