sirius.db.mongo

Class QueryBuilder<S>

java.lang.Object

sirius.db.mongo.QueryBuilder<S>

Type Parameters:

S - the type of the subclass to fix the return types for abstract fluent method calls.

Direct Known Subclasses:

Deleter, Finder, Updater

public abstract class QueryBuilder<S>
extends Object

Base class for queries providing a filter builder.

Field Summary

Fields

Modifier and Type	Field and Description
protected com.mongodb.BasicDBObject	filterObject
static MongoFilterFactory	FILTERS Represents the filter factory used by mong queries.
protected static Mixing	mixing
protected Mongo	mongo

Method Summary

Modifier and Type	Method and Description
protected static String	getRelationName(Class<?> type)
String	toString()
protected void	traceIfRequired(String collection, sirius.kernel.commons.Watch w)
void	transferFilters(QueryBuilder<?> target) Applies all filters of this query to the given target.
S	where(Mapping key, Object value) Adds a condition which determines which documents should be selected.
S	where(MongoConstraint filter) Adds a complex filter which determines which documents should be selected.
S	where(String key, Object value) Adds a condition which determines which documents should be selected.

Methods inherited from class java.lang.Object

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

Field Detail

mongo

protected Mongo mongo

filterObject

protected com.mongodb.BasicDBObject filterObject

FILTERS

public static final MongoFilterFactory FILTERS

Represents the filter factory used by mong queries.

mixing

protected static Mixing mixing

Method Detail

where

public S where(Mapping key,
               Object value)

Adds a condition which determines which documents should be selected.

Parameters:

key - the name of the field to filter on

value - the value to filter on

Returns:

the builder itself for fluent method calls

where

public S where(String key,
               Object value)

Adds a condition which determines which documents should be selected.

Parameters:

key - the name of the field to filter on

value - the value to filter on

Returns:

the builder itself for fluent method calls

where

public S where(MongoConstraint filter)

Adds a complex filter which determines which documents should be selected.

Parameters:

filter - the filter to apply

Returns:

the builder itself for fluent method calls

transferFilters

public void transferFilters(QueryBuilder<?> target)

Applies all filters of this query to the given target.

Parameters:

target - the target to be supplied with the filters of this query

traceIfRequired

protected void traceIfRequired(String collection,
                               sirius.kernel.commons.Watch w)

getRelationName

protected static String getRelationName(Class<?> type)

toString

public String toString()

Overrides:

toString in class Object