Package org.springframework.data.mongodb.core.aggregation

Class ComparisonOperators.Cmp

java.lang.Object

org.springframework.data.mongodb.core.aggregation.ComparisonOperators.Cmp

All Implemented Interfaces:

AggregationExpression, MongoExpression

Enclosing class:

ComparisonOperators

public static class ComparisonOperators.Cmp
extends Object

AggregationExpression for $cmp.

Author:

Christoph Strobl

Method Summary

Modifier and Type	Method	Description
protected List<Object>	append(Object value)
protected List<Object>	append(Object value, org.springframework.data.mongodb.core.aggregation.AbstractAggregationExpression.Expand expandList)
protected Map<String,Object>	append(String key, Object value)
protected Map<String,Object>	appendAt(int index, String key, Object value)	Append the given key at the position in the underlying LinkedHashMap.
protected Map<String,Object>	appendTo(String key, Object value)
protected Map<String,Object>	argumentMap()	Get the argument map.
protected static List<Field>	asFields(String... fieldRefs)
ComparisonOperators.Cmp	compareTo(String fieldReference)	Creates new ComparisonOperators.Cmp with all previously added arguments appending the given one.
ComparisonOperators.Cmp	compareTo(AggregationExpression expression)	Creates new ComparisonOperators.Cmp with all previously added arguments appending the given one.
ComparisonOperators.Cmp	compareToValue(Object value)	Creates new ComparisonOperators.Cmp with all previously added arguments appending the given one.
protected boolean	contains(Object key)	Check if the given key is available.
protected <T> T	get(int index)	Get the value at a given index.
protected <T> T	get(Object key)	Get the value for a given key.
protected String	getMongoMethod()
protected boolean	isArgumentMap()
protected Map<String,Object>	remove(String key)
org.bson.Document	toDocument(Object value, AggregationOperationContext context)
org.bson.Document	toDocument(AggregationOperationContext context)	Turns the AggregationExpression into a Document within the given AggregationOperationContext.
static ComparisonOperators.Cmp	valueOf(String fieldReference)	Creates new ComparisonOperators.Cmp.
static ComparisonOperators.Cmp	valueOf(AggregationExpression expression)	Creates new ComparisonOperators.Cmp.
protected List<Object>	values()

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.springframework.data.mongodb.core.aggregation.AggregationExpression

toDocument

Method Details

getMongoMethod

protected String getMongoMethod()

valueOf

public static ComparisonOperators.Cmp valueOf(String fieldReference)

Creates new ComparisonOperators.Cmp.

Parameters:

fieldReference - must not be null.

Returns:

new instance of ComparisonOperators.Cmp.

valueOf

public static ComparisonOperators.Cmp valueOf(AggregationExpression expression)

Creates new ComparisonOperators.Cmp.

Parameters:

expression - must not be null.

Returns:

new instance of ComparisonOperators.Cmp.

compareTo

public ComparisonOperators.Cmp compareTo(String fieldReference)

Creates new ComparisonOperators.Cmp with all previously added arguments appending the given one.

Parameters:

fieldReference - must not be null.

Returns:

new instance of ComparisonOperators.Cmp.

compareTo

public ComparisonOperators.Cmp compareTo(AggregationExpression expression)

Creates new ComparisonOperators.Cmp with all previously added arguments appending the given one.

Parameters:

expression - must not be null.

Returns:

new instance of ComparisonOperators.Cmp.

compareToValue

public ComparisonOperators.Cmp compareToValue(Object value)

Creates new ComparisonOperators.Cmp with all previously added arguments appending the given one.

Parameters:

value - must not be null.

Returns:

new instance of ComparisonOperators.Cmp.

toDocument

public org.bson.Document toDocument(AggregationOperationContext context)

Description copied from interface: AggregationExpression

Turns the AggregationExpression into a Document within the given AggregationOperationContext.

Specified by:

toDocument in interface AggregationExpression

Parameters:

context - must not be null.

Returns:

the MongoDB native (Document) form of the expression.

toDocument

public org.bson.Document toDocument(Object value,
 AggregationOperationContext context)

asFields

protected static List<Field> asFields(String... fieldRefs)

append

protected List<Object> append(Object value,
 org.springframework.data.mongodb.core.aggregation.AbstractAggregationExpression.Expand expandList)

append

protected List<Object> append(Object value)

append

protected Map<String,Object> append(String key,
 Object value)

appendTo

protected Map<String,Object> appendTo(String key,
 Object value)

remove

protected Map<String,Object> remove(String key)

appendAt

protected Map<String,Object> appendAt(int index,
 String key,
 Object value)

Append the given key at the position in the underlying LinkedHashMap.

Parameters:

index -

key -

value -

Returns:

Since:

3.1

values

protected List<Object> values()

get

protected <T> T get(int index)

Get the value at a given index.

Type Parameters:

T -

Parameters:

index -

Returns:

Since:

2.1

get

protected <T> T get(Object key)

Get the value for a given key.

Type Parameters:

T -

Parameters:

key -

Returns:

Since:

2.1

isArgumentMap

protected boolean isArgumentMap()

argumentMap

protected Map<String,Object> argumentMap()

Get the argument map.

Returns:

Since:

2.1

contains

protected boolean contains(Object key)

Check if the given key is available.

Parameters:

key -

Returns:

Since:

2.1