org.springframework.data.mongodb.core.aggregation

Class ComparisonOperators.Cmp

java.lang.Object

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

All Implemented Interfaces:

AggregationExpression

Enclosing class:

ComparisonOperators

public static class ComparisonOperators.Cmp
extends Object

AggregationExpression for $cmp.

Author:

Christoph Strobl

Method Summary

Modifier and Type	Method and Description
protected List<Object>	append(Object value)
protected Map<String,Object>	append(String key, Object value)
protected static List<Field>	asFields(String... fieldRefs)
ComparisonOperators.Cmp	compareTo(AggregationExpression expression) Creates new ComparisonOperators.Cmp with all previously added arguments appending the given one.
ComparisonOperators.Cmp	compareTo(String fieldReference) 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 String	getMongoMethod()
com.mongodb.DBObject	toDbObject(AggregationOperationContext context) Turns the AggregationExpression into a DBObject within the given AggregationOperationContext.
com.mongodb.DBObject	toDbObject(Object value, AggregationOperationContext context)
static ComparisonOperators.Cmp	valueOf(AggregationExpression expression) Creates new ComparisonOperators.Cmp.
static ComparisonOperators.Cmp	valueOf(String fieldReference) 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

Method Detail

getMongoMethod

protected String getMongoMethod()

valueOf

public static ComparisonOperators.Cmp valueOf(String fieldReference)

Creates new ComparisonOperators.Cmp.

Parameters:

fieldReference - must not be null.

Returns:

valueOf

public static ComparisonOperators.Cmp valueOf(AggregationExpression expression)

Creates new ComparisonOperators.Cmp.

Parameters:

expression - must not be null.

Returns:

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:

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:

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:

toDbObject

public com.mongodb.DBObject toDbObject(AggregationOperationContext context)

Description copied from interface: AggregationExpression

Turns the AggregationExpression into a DBObject within the given AggregationOperationContext.

Specified by:

toDbObject in interface AggregationExpression

Returns:

toDbObject

public com.mongodb.DBObject toDbObject(Object value,
                                       AggregationOperationContext context)

asFields

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

append

protected List<Object> append(Object value)

append

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

values

protected List<Object> values()