CCM NG: Some repository classes for ccm-cms

git-svn-id: https://svn.libreccm.org/ccm/ccm_ng@4187 8810af33-2d31-482b-a856-94f89814c4df

ccm-cms/src/main/java/org/librecms/assets/Asset.java

@@ -36,6 +36,8 @@ import javax.persistence.Inheritance;
 import javax.persistence.InheritanceType;
 import javax.persistence.JoinColumn;
 import javax.persistence.JoinTable;
+import javax.persistence.NamedQueries;
+import javax.persistence.NamedQuery;
 import javax.persistence.Table;
 
 import static org.librecms.CmsConstants.*;
@@ -48,6 +50,17 @@ import static org.librecms.CmsConstants.*;
 @Table(schema = DB_SCHEMA, name = "ASSETS")
 @Inheritance(strategy = InheritanceType.JOINED)
 @Audited
+@NamedQueries({
+    @NamedQuery(name = "Asset.findByUuid",
+                query = "SELECT a FROM Asset a WHERE a.uuid = :uuid"),
+    @NamedQuery(name = "Asset.findByType",
+                query = "SELECT a FROM Asset a "
+                            + "WHERE TYPE(a) = :type"),
+    @NamedQuery(name = "Asset.findByUuidAndType",
+                query = "SELECT a FROM Asset a "
+                            + "WHERE a.uuid = :uuid "
+                            + "AND TYPE(a) = :type")
+})
 public class Asset implements Identifiable, Serializable {
 
     private static final long serialVersionUID = -3499741368562653529L;

ccm-cms/src/main/java/org/librecms/assets/AssetRepository.java

@@ -0,0 +1,96 @@
+/*
+ * Copyright (C) 2016 LibreCCM Foundation.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301  USA
+ */
+package org.librecms.assets;
+
+import org.libreccm.auditing.AbstractAuditedEntityRepository;
+
+import java.util.Optional;
+
+import javax.inject.Inject;
+import javax.persistence.EntityManager;
+import javax.persistence.NoResultException;
+import javax.persistence.TypedQuery;
+
+/**
+ *
+ * @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
+ */
+public class AssetRepository
+    extends AbstractAuditedEntityRepository<Long, Asset> {
+
+    @Inject
+    private EntityManager entityManager;
+
+    @Override
+    public Long getEntityId(final Asset asset) {
+        return asset.getAssetId();
+    }
+
+    @Override
+    public Class<Asset> getEntityClass() {
+        return Asset.class;
+    }
+
+    @Override
+    public boolean isNew(final Asset asset) {
+        return asset.getAssetId() == 0;
+    }
+
+    public Optional<Asset> findByUuid(final String uuid) {
+        final TypedQuery<Asset> query = entityManager.createNamedQuery(
+            "Asset.findByUuid", Asset.class);
+        query.setParameter("uuid", uuid);
+
+        try {
+            return Optional.of(query.getSingleResult());
+        } catch (NoResultException ex) {
+            return Optional.empty();
+        }
+    }
+
+    public Optional<Asset> findByUuidAndType(
+        final String uuid, final Class<? extends Asset> clazz) {
+
+        final TypedQuery<Asset> query = entityManager.createNamedQuery(
+            "Asset.findByUuidAndType", Asset.class);
+        query.setParameter("uuid", uuid);
+        query.setParameter("type", clazz.getName());
+
+        try {
+            return Optional.of(query.getSingleResult());
+        } catch (NoResultException ex) {
+            return Optional.empty();
+        }
+    }
+
+    public Optional<Asset> findByType(
+        final String uuid, final Class<? extends Asset> clazz) {
+
+        final TypedQuery<Asset> query = entityManager.createNamedQuery(
+            "Asset.findByType", Asset.class);
+        query.setParameter("type", clazz.getName());
+
+        try {
+            return Optional.of(query.getSingleResult());
+        } catch (NoResultException ex) {
+            return Optional.empty();
+        }
+    }
+
+}

ccm-cms/src/main/java/org/librecms/contentsection/ContentItemRepository.java

@@ -0,0 +1,76 @@
+/*
+ * Copyright (C) 2016 LibreCCM Foundation.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301  USA
+ */
+package org.librecms.contentsection;
+
+import org.libreccm.auditing.AbstractAuditedEntityRepository;
+import org.libreccm.core.CcmObject;
+import org.libreccm.core.CcmObjectRepository;
+
+import javax.enterprise.context.RequestScoped;
+import javax.inject.Inject;
+import javax.persistence.NoResultException;
+import javax.persistence.TypedQuery;
+
+/**
+ *
+ * @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
+ */
+@RequestScoped
+public class ContentItemRepository 
+    extends AbstractAuditedEntityRepository<Long, ContentItem>{
+
+    @Inject
+    private CcmObjectRepository ccmObjectRepo; 
+    
+    @Override
+    public Long getEntityId(final ContentItem item) {
+        return item.getObjectId();
+    }
+
+    @Override
+    public Class<ContentItem> getEntityClass() {
+        return ContentItem.class;
+    }
+
+    @Override
+    public boolean isNew(final ContentItem item) {
+        return ccmObjectRepo.isNew(item);
+    }
+    
+    public ContentItem findById(final long itemId) {
+        final CcmObject result = ccmObjectRepo.findObjectById(itemId);
+        if (result instanceof ContentItem) {
+            return (ContentItem) result;
+        } else {
+            return null;
+        }
+    }
+    
+    public ContentItem findByUuid(final String uuid) {
+        final CcmObject result = ccmObjectRepo.findObjectByUuid(uuid);
+        if (result instanceof ContentItem) {
+            return (ContentItem) result;
+        } else {
+            return null;
+        }
+    }
+    
+    //ToDo: Methods for finding items by name, path, content type etc.
+    
+}

ccm-cms/src/main/java/org/librecms/contentsection/ContentSectionRepository.java

@@ -0,0 +1,43 @@
+/*
+ * Copyright (C) 2016 LibreCCM Foundation.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301  USA
+ */
+package org.librecms.contentsection;
+
+import org.libreccm.core.AbstractEntityRepository;
+
+import javax.enterprise.context.RequestScoped;
+
+/**
+ *
+ * @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
+ */
+@RequestScoped
+public class ContentSectionRepository
+    extends AbstractEntityRepository<Long, ContentSection> {
+
+    @Override
+    public Class<ContentSection> getEntityClass() {
+        return ContentSection.class;
+    }
+
+    @Override
+    public boolean isNew(final ContentSection section) {
+        return section.getObjectId() == 0;
+    }
+
+}

ccm-cms/src/main/java/org/librecms/contentsection/ContentType.java

@@ -79,6 +79,7 @@ public class ContentType extends CcmObject implements Serializable {
     private ContentItemMode mode;
 
     //ToDo references for authoring kit etc
+
     public String getContentItemClass() {
         return contentItemClass;
     }

ccm-core/src/main/java/org/libreccm/core/CcmObject.java

@@ -72,7 +72,9 @@ import org.hibernate.envers.Audited;
 @Inheritance(strategy = InheritanceType.JOINED)
 @NamedQueries({
     @NamedQuery(name = "CcmObject.findById",
-                query = "SELECT o FROM CcmObject o WHERE o.objectId = :id")
+                query = "SELECT o FROM CcmObject o WHERE o.objectId = :id"),
+    @NamedQuery(name = "CcmObject.findByUuid",
+                query = "SELECT o FROM CcmObject o WHERE o.uuid = :uuid")
 })
 @XmlRootElement(name = "ccm-object", namespace = CORE_XML_NS)
 //False warning (?). Because this class has been migrated from the old PDL style

ccm-core/src/main/java/org/libreccm/core/CcmObjectRepository.java

@@ -70,4 +70,16 @@ public class CcmObjectRepository extends AbstractEntityRepository<Long, CcmObjec
         }
     }
     
+    public CcmObject findObjectByUuid(final String uuid) {
+        final TypedQuery<CcmObject> query = getEntityManager().createNamedQuery(
+            "CcmObject.findByUuid", CcmObject.class);
+        query.setParameter("uuid", uuid);
+
+        try {
+            return query.getSingleResult();
+        } catch (NoResultException ex) {
+            return null;
+        }
+    }
+
 }