Package org.apache.jackrabbit.ocm.query

Examples of org.apache.jackrabbit.ocm.query.Query


            QueryManager queryManager = getObjectContentManager().getQueryManager();
            Filter filter = queryManager.createFilter(C.class);
            filter.addEqualTo("name", "a test value")
                  .addEqualTo("id", new Integer(1));
     
            Query query = queryManager.createQuery(filter);
            String jcrExpression = queryManager.buildJCRExpression(query);
            assertNotNull("jcrExpression is null", jcrExpression);
            assertTrue("Invalid JcrExpression", jcrExpression.equals("//element(*, ocm:C) [@ocm:name = 'a test value' and @ocm:id = 1]"));
        }
        catch (Exception e)
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    //--------------------------------------------------------------------------------------------------------- 
    // Retrieve Descendant class
    //---------------------------------------------------------------------------------------------------------     
    QueryManager queryManager = ocm.getQueryManager();
    Filter filter = queryManager.createFilter(Descendant.class);
    Query query = queryManager.createQuery(filter);

    Collection result = ocm.getObjects(query);
    assertEquals("Invalid number of Descendant found", result.size(), 4);
    assertTrue("Invalid item in the collection", this.contains(result, "/descendant1", Descendant.class));
    assertTrue("Invalid item in the collection", this.contains(result, "/descendant2", Descendant.class));
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  //--------------------------------------------------------------------------------------------------------- 
  // Retrieve Folders found on the root level
  //---------------------------------------------------------------------------------------------------------     
  QueryManager queryManager = ocm.getQueryManager();
  Filter filter = queryManager.createFilter(Folder.class);
  Query query = queryManager.createQuery(filter);
  filter.setScope("/");
  Collection result = ocm.getObjects(query);
  assertEquals("Invalid number of folders found", result.size(), 2);
  assertTrue("Invalid item in the collection", this.contains(result, "/folder1",FolderImpl.class));
  assertTrue("Invalid item in the collection", this.contains(result, "/folder2", FolderImpl.class));   
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            // Build the Query Object
            QueryManager queryManager = ocm.getQueryManager();
            Filter filter = queryManager.createFilter(Paragraph.class);
            filter.addEqualTo("text", "Para 1");

            Query query = queryManager.createQuery(filter);
            Paragraph paragraph = (Paragraph) ocm.getObject(query);
            assertNotNull("Object is null", paragraph);
            assertTrue("Invalid paragraph found", paragraph.getText().equals("Para 1"));

        } catch (Exception e) {
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            QueryManager queryManager = ocm.getQueryManager();
            Filter filter = queryManager.createFilter(Paragraph.class);
            filter.addEqualTo("text", "Para 1");
            filter.setScope("/test/");

            Query query = queryManager.createQuery(filter);

            Collection result = ocm.getObjects(query);
            assertEquals("Invalid number of objects - should be = 1", 1, result.size());
            Paragraph paragraph = (Paragraph) result.iterator().next();
            assertTrue("Invalid paragraph found", paragraph.getText().equals("Para 1"));
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            QueryManager queryManager = ocm.getQueryManager();
            Filter filter = queryManager.createFilter(Paragraph.class);
            filter.addLike("text", "Para%");
            filter.setScope("/test/");

            Query query = queryManager.createQuery(filter);

            Collection result = ocm.getObjects(query);
            assertEquals("Invalid number of objects - should be = 3", 3, result.size());

            Paragraph[] paragraphs = (Paragraph[]) result.toArray(new Paragraph[result.size()]);
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            Filter filter2 = queryManager.createFilter(Paragraph.class);
            filter2.addEqualTo("text", "Para 2");

            filter1.addOrFilter(filter2);

            Query query = queryManager.createQuery(filter1);

            Collection result = ocm.getObjects(query);
            assertEquals("Invalid number of objects - should be = 2", 2, result.size());

            Paragraph[] paragraphs = (Paragraph[]) result.toArray(new Paragraph[result.size()]);
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            QueryManager queryManager = ocm.getQueryManager();
            Filter filter1 = queryManager.createFilter(Paragraph.class);
            filter1.addOrFilter("text", new String[]{"Para 1","Para 2"});
            filter1.setScope("/test/");

            Query query = queryManager.createQuery(filter1);

            Collection result = ocm.getObjects(query);
            assertEquals("Invalid number of objects - should be = 2", 2, result.size());

            Paragraph[] paragraphs = (Paragraph[]) result.toArray(new Paragraph[result.size()]);
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            QueryManager queryManager = ocm.getQueryManager();
            Filter filter1 = queryManager.createFilter(Paragraph.class);
            filter1.addOrFilter("text", new String[]{"Para 1","Another Para "}).addLike("text", "Para%");
            filter1.setScope("/test/");

            Query query = queryManager.createQuery(filter1);

            Collection result = ocm.getObjects(query);
            assertEquals("Invalid number of objects - should be = 1", 1, result.size());

            Paragraph[] paragraphs = (Paragraph[]) result.toArray(new Paragraph[result.size()]);
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            QueryManager queryManager = ocm.getQueryManager();
            Filter filter = queryManager.createFilter(Paragraph.class);
            filter.addLike("text", "Para%");
            filter.setScope("/test/");

            Query query = queryManager.createQuery(filter);
            query.addOrderByDescending("text");

            Collection result = ocm.getObjects(query);
            assertEquals("Invalid number of objects - should be = 3", 3, result.size());

            Paragraph[] paragraphs = (Paragraph[]) result.toArray(new Paragraph[result.size()]);
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