Package com.querydsl.mongodb.document

Class AbstractMongodbQuery<Q extends AbstractMongodbQuery<Q>>

java.lang.Object

com.querydsl.mongodb.document.AbstractMongodbQuery<Q>

Type Parameters:

Q - concrete subtype

All Implemented Interfaces:

FilteredClause<Q>, SimpleQuery<Q>

Direct Known Subclasses:

AbstractFetchableMongodbQuery

public abstract class AbstractMongodbQuery<Q extends AbstractMongodbQuery<Q>>
extends Object
implements SimpleQuery<Q>

AbstractMongodbQuery provides a base class for general Querydsl query implementation.

Author:

Mark Paluch

Constructor Summary

Constructors

Constructor	Description
AbstractMongodbQuery(MongodbDocumentSerializer serializer)	Create a new MongodbQuery instance

Method Summary

Modifier and Type	Method	Description
<T> AnyEmbeddedBuilder<Q>	anyEmbedded(Path<? extends Collection<T>> collection, Path<T> target)	Define a constraint for an embedded object
org.bson.Document	asDocument()	Get the where definition as a Document instance
protected @Nullable Predicate	createFilter(QueryMetadata metadata)
protected @Nullable Predicate	createJoinFilter(QueryMetadata metadata)
protected org.bson.Document	createProjection(Expression<?> projection)
protected org.bson.Document	createQuery(@Nullable Predicate predicate)
Q	distinct()
protected abstract List<Object>	getIds(Class<?> targetType, Predicate condition)
protected QueryMixin<Q>	getQueryMixin()
protected com.mongodb.ReadPreference	getReadPreference()
protected MongodbDocumentSerializer	getSerializer()
<T> JoinBuilder<Q,T>	join(CollectionPathBase<?,T,?> ref, Path<T> target)	Define a join
<T> JoinBuilder<Q,T>	join(Path<T> ref, Path<T> target)	Define a join
Q	limit(long limit)
Q	offset(long offset)
Q	orderBy(OrderSpecifier<?> o)
Q	orderBy(OrderSpecifier<?>... o)
Q	restrict(QueryModifiers modifiers)
<T> Q	set(ParamExpression<T> param, T value)
void	setReadPreference(com.mongodb.ReadPreference readPreference)	Sets the read preference for this query
String	toString()
Q	where(Predicate e)
Q	where(Predicate... e)

Methods inherited from class java.lang.Object

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

Constructor Details

AbstractMongodbQuery

public AbstractMongodbQuery(MongodbDocumentSerializer serializer)

Create a new MongodbQuery instance

Parameters:

serializer - serializer

Method Details

join

public <T> JoinBuilder<Q,T> join(Path<T> ref,
 Path<T> target)

Define a join

Parameters:

ref - reference

target - join target

Returns:

join builder

join

public <T> JoinBuilder<Q,T> join(CollectionPathBase<?,T,?> ref,
 Path<T> target)

Define a join

Parameters:

ref - reference

target - join target

Returns:

join builder

anyEmbedded

public <T> AnyEmbeddedBuilder<Q> anyEmbedded(Path<? extends Collection<T>> collection,
 Path<T> target)

Define a constraint for an embedded object

Parameters:

collection - collection

target - target

Returns:

builder

createFilter

@Nullable
protected @Nullable Predicate createFilter(QueryMetadata metadata)

createJoinFilter

@Nullable
protected @Nullable Predicate createJoinFilter(QueryMetadata metadata)

getIds

protected abstract List<Object> getIds(Class<?> targetType,
 Predicate condition)

distinct

public Q distinct()

Specified by:

distinct in interface SimpleQuery<Q extends AbstractMongodbQuery<Q>>

where

public Q where(Predicate e)

where

public Q where(Predicate... e)

Specified by:

where in interface FilteredClause<Q extends AbstractMongodbQuery<Q>>

limit

public Q limit(long limit)

Specified by:

limit in interface SimpleQuery<Q extends AbstractMongodbQuery<Q>>

offset

public Q offset(long offset)

Specified by:

offset in interface SimpleQuery<Q extends AbstractMongodbQuery<Q>>

restrict

public Q restrict(QueryModifiers modifiers)

Specified by:

restrict in interface SimpleQuery<Q extends AbstractMongodbQuery<Q>>

orderBy

public Q orderBy(OrderSpecifier<?> o)

orderBy

public Q orderBy(OrderSpecifier<?>... o)

Specified by:

orderBy in interface SimpleQuery<Q extends AbstractMongodbQuery<Q>>

set

public <T> Q set(ParamExpression<T> param,
 T value)

Specified by:

set in interface SimpleQuery<Q extends AbstractMongodbQuery<Q>>

createProjection

protected org.bson.Document createProjection(Expression<?> projection)

createQuery

protected org.bson.Document createQuery(@Nullable
 @Nullable Predicate predicate)

setReadPreference

public void setReadPreference(com.mongodb.ReadPreference readPreference)

Sets the read preference for this query

Parameters:

readPreference - read preference

getQueryMixin

protected QueryMixin<Q> getQueryMixin()

getSerializer

protected MongodbDocumentSerializer getSerializer()

getReadPreference

protected com.mongodb.ReadPreference getReadPreference()

asDocument

public org.bson.Document asDocument()

Get the where definition as a Document instance

Returns:

toString

public String toString()

Overrides:

toString in class Object