Package com.mongodb

Examples of com.mongodb.AggregationOutput

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   * @param def 默认值
   * @return
   */
  private ItemAffiliation affiliation(JID from, JID to, ItemAffiliation def) {
    // {"$match":{"jid":to.bare}},{"$unwind":"$affiliations"},{"$match":{"affiliations.jid":from.bare}},{"$project":{"affiliation":"$affiliations.affiliation"}}
    AggregationOutput output = this.config.collection().aggregate(BasicDBObjectBuilder.start("$match", BasicDBObjectBuilder.start(Dictionary.FIELD_JID, to.asStringWithBare()).get()).get(), this.unwindAffiliation, BasicDBObjectBuilder.start("$match", BasicDBObjectBuilder.start(Dictionary.FIELD_AFFILIATIONS + "." + Dictionary.FIELD_JID, from.asStringWithBare()).get()).get(), this.projectAffiliations);
    @SuppressWarnings("deprecation")
    List<?> result = MongoUtils.asList(output.getCommandResult(), Dictionary.FIELD_RESULT);
    return result.isEmpty() ? def : ItemAffiliation.parse(MongoUtils.asString(DBObject.class.cast(result.get(0)), Dictionary.FIELD_AFFILIATION).toString());
  }
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   *
   * @see com.sissi.ucenter.relation.RelationContext#ourRelation(com.sissi.context.JID, com.sissi.context.JID)
   */
  @Override
  public Relation ourRelation(JID from, JID to) {
    AggregationOutput output = this.config.collection().aggregate(this.buildMatcher(to), this.unwindRoles, this.unwindAffiliation, BasicDBObjectBuilder.start().add("$match", BasicDBObjectBuilder.start().add(Dictionary.FIELD_ROLES + "." + Dictionary.FIELD_JID, from.asStringWithBare()).add(Dictionary.FIELD_ROLES + "." + Dictionary.FIELD_RESOURCE, from.resource()).get()).get(), this.projectRelation, this.match, this.sort, this.limit);
    @SuppressWarnings("deprecation")
    List<?> result = MongoUtils.asList(output.getCommandResult(), Dictionary.FIELD_RESULT);
    return result.isEmpty() ? new NoneRelation(from, to, this.affiliation(from, to)) : new MongoRelation(DBObject.class.cast(result.get(0)));
  }
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   * {"$match":{"jid":group.bare}}, {"$unwind":"$roles"}, {"$match":{"roles.jid":Xxx}}, {"$group":{"_id":{"jid":"$jid","creator":"$creator","activate":"$activate","affiliations":"$affiliations"},"roles":{"$addToSet":"$roles"}}}, {"$project":{"jid":"$_id.jid","creator":"$_id.creator","activate":"$_id.activate","affiliations":"$_id.affiliations","roles":"$roles"}}
   *
   * @see com.sissi.ucenter.relation.muc.MucRelationContext#ourRelations(com.sissi.context.JID, com.sissi.context.JID)
   */
  public Set<Relation> ourRelations(JID from, JID to) {
    AggregationOutput output = this.config.collection().aggregate(this.buildMatcher(to), this.unwindRoles, BasicDBObjectBuilder.start().add("$match", BasicDBObjectBuilder.start().add(Dictionary.FIELD_ROLES + "." + Dictionary.FIELD_JID, from.asStringWithBare()).get()).get(), this.groupRelations, this.projectRelations);
    @SuppressWarnings("deprecation")
    List<?> result = MongoUtils.asList(output.getCommandResult(), Dictionary.FIELD_RESULT);
    return result.isEmpty() ? this.relations : new MongoRelations(DBObject.class.cast(result.get(0)));
  }
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   *
   * @see com.sissi.ucenter.relation.RelationContext#whoSubscribedMe(com.sissi.context.JID)
   */
  @Override
  public Set<JID> whoSubscribedMe(JID from) {
    AggregationOutput output = this.config.collection().aggregate(this.buildMatcher(from), this.projectRoles, this.unwindRoles, this.groupSubscribe);
    @SuppressWarnings("deprecation")
    List<?> result = MongoUtils.asList(output.getCommandResult(), Dictionary.FIELD_RESULT);
    return result.isEmpty() ? this.jidset : new JIDGroup(MongoUtils.asList(DBObject.class.cast(result.get(0)), Dictionary.FIELD_ROLES));
  }
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  }

  @Override
  public JIDs mapping(JID group) {
    // {"$match":{"jid":group.bare}}, {"$unwind":"$roles"}, {"$match":{"roles.nick":Xxx}}, {"$project":{"roles":"$roles"}}, {"$group":{"_id":"$roles.jid","resource":{"$push":"$roles.resource"}}}
    AggregationOutput output = this.config.collection().aggregate(this.buildMatcher(group), this.unwindRoles, BasicDBObjectBuilder.start().add("$match", BasicDBObjectBuilder.start(Dictionary.FIELD_ROLES + "." + Dictionary.FIELD_NICK, group.resource()).get()).get(), this.projectRoles, this.groupMapping);
    @SuppressWarnings("deprecation")
    List<?> result = MongoUtils.asList(output.getCommandResult(), Dictionary.FIELD_RESULT);
    return result.isEmpty() ? this.jids : this.extract(DBObject.class.cast(result.get(0)));
  }
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   *
   * @see com.sissi.ucenter.relation.muc.MucRelationContext#myRelations(com.sissi.context.JID, java.lang.String)
   */
  public Set<Relation> myRelations(JID from, String affiliation) {
    // {"$match":{"jid":group.bare}}, {"$unwind":"$affiliations"}, {"$match":{"affiliations.affiliation":Xxx}}, {"$project":{"affiliation":"$affiliations"}}
    AggregationOutput output = super.config.collection().aggregate(super.buildMatcher(from), super.unwindAffiliation, BasicDBObjectBuilder.start("$match", BasicDBObjectBuilder.start(Dictionary.FIELD_AFFILIATIONS + "." + Dictionary.FIELD_AFFILIATION, affiliation).get()).get(), this.projectAffiliation);
    @SuppressWarnings("deprecation")
    List<?> result = MongoUtils.asList(output.getCommandResult(), Dictionary.FIELD_RESULT);
    return result.isEmpty() ? super.relations : new AffiliationRelations(result);
  }
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   *
   * @see com.sissi.ucenter.relation.muc.MucRelationContext#myRelations(com.sissi.context.JID, java.lang.String)
   */
  public Set<Relation> myRelations(JID from, String role) {
    // {"$match":{"jid":group.bare}}, {"$unwind":"$roles"}, {"$match":{"roles.role":Xxx}}, {"$group":{"_id":{"jid":"$jid","creator":"$creator","affiliations":"$affiliations"},"roles":{"$addToSet":"$roles"}}}, {"$project":{"jid":"$_id.jid","creator":"$_id.creator","affiliations":"$_id.affiliations","roles":"$roles"}}
    AggregationOutput output = super.config.collection().aggregate(this.buildMatcher(from), super.unwindRoles, BasicDBObjectBuilder.start().add("$match", BasicDBObjectBuilder.start(Dictionary.FIELD_ROLES + "." + Dictionary.FIELD_ROLE, role).get()).get(), this.group, this.projectRole);
    @SuppressWarnings("deprecation")
    List<?> result = MongoUtils.asList(output.getCommandResult(), Dictionary.FIELD_RESULT);
    return result.isEmpty() ? this.relations : new MongoRelations(DBObject.class.cast(result.get(0)));
  }
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      return this;
    }

    public String reserved(JID jid) {
      // {"$match":{"jid":group.bare}}, {"$unwind":"$affiliations"}, {"$match":{"affiliations.jid":jid.bare}}, {"$project":{"nick":"$affiliations.nick"}}
      AggregationOutput output = MongoRoomBuilder.this.config.collection().aggregate(BasicDBObjectBuilder.start("$match", BasicDBObjectBuilder.start(Dictionary.FIELD_JID, this.group.asStringWithBare()).get()).get(), MongoRoomBuilder.this.unwind, BasicDBObjectBuilder.start("$match", BasicDBObjectBuilder.start(Dictionary.FIELD_AFFILIATIONS + "." + Dictionary.FIELD_JID, jid.asStringWithBare()).get()).get(), MongoRoomBuilder.this.project);
      @SuppressWarnings("deprecation")
      List<?> result = MongoUtils.asList(output.getCommandResult(), Dictionary.FIELD_RESULT);
      return result.isEmpty() ? null : MongoUtils.asString(DBObject.class.cast(result.get(0)), Dictionary.FIELD_NICK);
    }
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        DBCollection dbCol = calculateCollection(exchange);
        DBObject query = exchange.getIn().getMandatoryBody(DBObject.class);

        // Impossible with java driver to get the batch size and number to skip
        Iterable<DBObject> dbIterator = null;
        AggregationOutput aggregationResult = null;

        // Allow body to be a pipeline
        // @see http://docs.mongodb.org/manual/core/aggregation/
        if (query instanceof BasicDBList) {
            BasicDBList queryList = (BasicDBList)query;
            aggregationResult = dbCol.aggregate((DBObject)queryList.get(0), queryList
                .subList(1, queryList.size()).toArray(new BasicDBObject[queryList.size() - 1]));
        } else {
            aggregationResult = dbCol.aggregate(query);
        }

        dbIterator = aggregationResult.results();
        Message resultMessage = prepareResponseMessage(exchange, MongoDbOperation.aggregate);
        resultMessage.setBody(dbIterator);
    }
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        DBObject query = exchange.getIn().getMandatoryBody(DBObject.class);

        // Impossible with java driver to get the batch size and number to skip
        Iterable<DBObject> dbIterator = null;
        try {
            AggregationOutput aggregationResult = null;

            // Allow body to be a pipeline
            // @see http://docs.mongodb.org/manual/core/aggregation/
            if (query instanceof BasicDBList) {
                BasicDBList queryList = (BasicDBList)query;
                aggregationResult = dbCol.aggregate((DBObject)queryList.get(0), queryList
                    .subList(1, queryList.size()).toArray(new BasicDBObject[queryList.size() - 1]));
            } else {
                aggregationResult = dbCol.aggregate(query);
            }

            dbIterator = aggregationResult.results();
            Message resultMessage = prepareResponseMessage(exchange, MongoDbOperation.aggregate);
            resultMessage.setBody(dbIterator);

            // Mongo Driver does not allow to read size and to paginate aggregate result
        } catch (Exception e) {
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Related Classes of com.mongodb.AggregationOutput

  • com.sissi.ucenter.relation.muc.impl.MongoMucRelation4AffiliationContext
  • com.sissi.ucenter.relation.muc.impl.MongoMucRelation4RoleContext
  • com.sissi.ucenter.relation.muc.impl.MongoMucRelationContext
  • com.sissi.ucenter.relation.muc.room.impl.MongoRoomBuilder$MongoRoom
  • com.tengen.Week1Homework3
  • com.tengen.Week1Homework4
  • example.AggregationExample
  • org.apache.camel.component.mongodb.MongoDbProducer
  • org.bitbucket.davidm24.mongodb.aggregate.AggregateBuilderIT
  • org.bitbucket.davidm24.mongodb.aggregate.DocumentationExamplesIT
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