# Uses of Package
org.jbpm.services.api.query

- Packages that use org.jbpm.services.api.query
  Package | Description
  --- | ---
  org.jbpm.kie.services.impl.query |
  org.jbpm.kie.services.impl.query.mapper |
  org.jbpm.services.api.query |
  org.jbpm.services.cdi.impl.query |
  org.jbpm.services.ejb.api.query |
  org.jbpm.services.ejb.impl.query |

- Classes in org.jbpm.services.api.query used by org.jbpm.kie.services.impl.query
  Class and Description
  QueryAlreadyRegisteredException
  QueryNotFoundException
  QueryParamBuilder QueryParamBuilder is responsible for building up one or more filter parameters.
  QueryResultMapper Maps raw data set into object instances
  QueryService Advanced queries service that allows to register custom queries that will be equipped with tailored capabilities of querying data.

- Classes in org.jbpm.services.api.query used by org.jbpm.kie.services.impl.query.mapper
  Class and Description
  QueryResultMapper Maps raw data set into object instances

- Classes in org.jbpm.services.api.query used by org.jbpm.services.api.query
  Class and Description
  QueryAlreadyRegisteredException
  QueryMapperRegistry Allow to find mappers by name instead of using their instances Mappers are discovered by ServiceLoader mechanism - meaning must be defined in services file: META-INF/services/org.jbpm.services.api.query.QueryResultMapper as fully qualified class names that implement `org.jbpm.services.api.query.QueryResultMapper`
  QueryNotFoundException
  QueryParamBuilder QueryParamBuilder is responsible for building up one or more filter parameters.
  QueryResultMapper Maps raw data set into object instances

- Classes in org.jbpm.services.api.query used by org.jbpm.services.cdi.impl.query
  Class and Description
  QueryService Advanced queries service that allows to register custom queries that will be equipped with tailored capabilities of querying data.

- Classes in org.jbpm.services.api.query used by org.jbpm.services.ejb.api.query
  Class and Description
  QueryService Advanced queries service that allows to register custom queries that will be equipped with tailored capabilities of querying data.

- Classes in org.jbpm.services.api.query used by org.jbpm.services.ejb.impl.query
  Class and Description
  QueryAlreadyRegisteredException
  QueryNotFoundException
  QueryService Advanced queries service that allows to register custom queries that will be equipped with tailored capabilities of querying data.

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