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Optmiziations for the RESTful API managing containers of page models

Jens Pelzetter 2020-08-06 16:21:30 +02:00
parent 7819bd4146
commit 8472cb7e45
4 changed files with 95 additions and 42 deletions
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61
ccm-core/src/main/java/org/libreccm/api/pagemodels/Containers.java
View File

@ -18,6 +18,8 @@
*/
package org.libreccm.api.pagemodels;
import org.libreccm.api.dto.ListView;
import org.libreccm.api.pagemodels.dto.ContainerModelDto;
import org.libreccm.core.CoreConstants;
import org.libreccm.pagemodel.ContainerModel;
import org.libreccm.pagemodel.ContainerModelRepository;
@ -29,21 +31,20 @@ import org.libreccm.web.CcmApplication;
import java.net.URI;
import java.util.Optional;
import java.util.stream.Collectors;
import javax.enterprise.context.RequestScoped;
import javax.inject.Inject;
import javax.json.Json;
import javax.json.JsonArray;
import javax.json.JsonArrayBuilder;
import javax.json.JsonObject;
import javax.transaction.Transactional;
import javax.ws.rs.Consumes;
import javax.ws.rs.DELETE;
import javax.ws.rs.DefaultValue;
import javax.ws.rs.GET;
import javax.ws.rs.PUT;
import javax.ws.rs.Path;
import javax.ws.rs.PathParam;
import javax.ws.rs.Produces;
import javax.ws.rs.QueryParam;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.Response;
@ -73,6 +74,8 @@ public class Containers {
* which the {@link PageModel} belongs.
* @param pageModelName The name of the {@link PageModel} of which the
* containers are retrieved.
* @param limit
* @param offset
*
* @return A JSON array containing the data of all {@link ContainerModel}s
* of the {@link PageModel} identified by {@code pageModelName} of
@ -84,9 +87,11 @@ public class Containers {
@Transactional(Transactional.TxType.REQUIRED)
@AuthorizationRequired
@RequiresPrivilege(CoreConstants.PRIVILEGE_ADMIN)
public JsonArray getContainers(
public ListView<ContainerModelDto> getContainers(
@PathParam("appName") final String appName,
@PathParam("pageModelName") final String pageModelName
@PathParam("pageModelName") final String pageModelName,
@QueryParam("limit") @DefaultValue("20") final int limit,
@QueryParam("offset") @DefaultValue("0") final int offset
) {
final CcmApplication app = controller.findCcmApplication(
String.format("/%s/", appName)
@ -96,14 +101,15 @@ public class Containers {
app, pageModelName
);
final JsonArrayBuilder arrayBuilder = Json.createArrayBuilder();
pageModel
.getContainers()
.stream()
.map(containerModel -> mapContainerModelToJson(containerModel))
.forEach(arrayBuilder::add);
return arrayBuilder.build();
return new ListView<>(
containerModelRepo
.findContainersOfPageModelAsStream(pageModel, 0, 0)
.map(model -> new ContainerModelDto(model))
.collect(Collectors.toList()),
containerModelRepo.countContainersOfPageModel(pageModel),
limit,
offset
);
}
/**
@ -124,7 +130,7 @@ public class Containers {
@Transactional(Transactional.TxType.REQUIRED)
@AuthorizationRequired
@RequiresPrivilege(CoreConstants.PRIVILEGE_ADMIN)
public JsonObject getContainer(
public ContainerModelDto getContainer(
@PathParam("appName") final String appName,
@PathParam("pageModelName") final String pageModelName,
@PathParam("containerKey") final String containerKey
@ -141,7 +147,7 @@ public class Containers {
app, pageModel, containerKey
);
return mapContainerModelToJson(container);
return new ContainerModelDto(container);
}
/**
@ -176,7 +182,7 @@ public class Containers {
@PathParam("appName") final String appName,
@PathParam("pageModelName") final String pageModelName,
@PathParam("containerKey") final String containerKey,
final JsonObject containerModelData
final ContainerModelDto containerModelData
) {
final CcmApplication app = controller.findCcmApplication(
String.format("/%s/", appName)
@ -277,25 +283,4 @@ public class Containers {
)
).build();
}
/**
* Helper method for mapping a {@link ContainerModel} to JSON:
*
* @param containerModel The {@link ContainerModel} to map.
*
* @return A {@link JsonObject} containing the data of the
* {@link ContainerModel}.
*/
private JsonObject mapContainerModelToJson(
final ContainerModel containerModel) {
return Json
.createObjectBuilder()
.add("containerId", Long.toString(containerModel.getContainerId()))
.add("uuid", containerModel.getUuid())
.add("containerUuid", containerModel.getContainerUuid())
.add("key", containerModel.getKey())
.build();
}
}

8
ccm-core/src/main/java/org/libreccm/api/pagemodels/dto/ContainerModelDto.java
View File

@ -45,6 +45,14 @@ public class ContainerModelDto {
this.key = fromContainerModel.getKey();
}
public long getContainerId() {
return containerId;
}
public void setContainerId(final long containerId) {
this.containerId = containerId;
}
public String getUuid() {
return uuid;
}

19
ccm-core/src/main/java/org/libreccm/pagemodel/ContainerModel.java
View File

@ -59,10 +59,21 @@ import javax.xml.bind.annotation.XmlTransient;
@Entity
@Table(name = "PAGE_MODEL_CONTAINER_MODELS", schema = CoreConstants.DB_SCHEMA)
@NamedQueries({
@NamedQuery(name = "ContainerModel.findByKeyAndPage",
query = "SELECT c FROM ContainerModel c "
+ "WHERE c.key = :key "
+ "AND c.pageModel = :pageModel")
@NamedQuery(
name = "ContainerModel.findContainersOfPageModel",
query = "SELECT c FROM ContainerModel c WHERE c.pageModel = :pageModel"
),
@NamedQuery(
name = "ContainerModel.countContainersOfPageModel",
query = "SELECT COUNT(c) FROM ContainerModel c "
+ "WHERE c.pageModel = :pageModel"
),
@NamedQuery(
name = "ContainerModel.findByKeyAndPage",
query = "SELECT c FROM ContainerModel c "
+ "WHERE c.key = :key "
+ "AND c.pageModel = :pageModel"
)
})
@XmlRootElement(name = "container-model")
public class ContainerModel implements Serializable {

49
ccm-core/src/main/java/org/libreccm/pagemodel/ContainerModelRepository.java
View File

@ -23,8 +23,10 @@ import org.libreccm.core.CoreConstants;
import org.libreccm.security.AuthorizationRequired;
import org.libreccm.security.RequiresPrivilege;
import java.util.List;
import java.util.Optional;
import java.util.UUID;
import java.util.stream.Stream;
import javax.enterprise.context.RequestScoped;
import javax.persistence.NoResultException;
@ -83,6 +85,53 @@ public class ContainerModelRepository
}
}
@Transactional(Transactional.TxType.REQUIRED)
public List<ContainerModel> findContainersOfPageModelAsList(
final PageModel pageModel,
final int limit,
final int offset
) {
return getEntityManager()
.createNamedQuery(
"ContainerModel.findContainersOfPageModel",
ContainerModel.class
)
.setParameter("pageModel", pageModel)
.setMaxResults(limit)
.setFirstResult(offset)
.getResultList();
}
@Transactional(Transactional.TxType.REQUIRED)
public Stream<ContainerModel> findContainersOfPageModelAsStream(
final PageModel pageModel,
final int limit,
final int offset
) {
return getEntityManager()
.createNamedQuery(
"ContainerModel.findContainersOfPageModel",
ContainerModel.class
)
.setParameter("pageModel", pageModel)
.setMaxResults(limit)
.setFirstResult(offset)
.getResultStream();
}
@Transactional(Transactional.TxType.REQUIRED)
public long countContainersOfPageModel(
final PageModel pageModel
) {
return getEntityManager()
.createNamedQuery(
"ContainerModel.countContainersOfPageModel",
Long.class
)
.setParameter("pageModel", pageModel)
.getSingleResult();
}
@Transactional(Transactional.TxType.REQUIRED)
public Optional<ContainerModel> findContainerByKeyAndPageModel(
final String key, final PageModel pageModel) {