Examples of org.openengsb.core.api.model.QueryRequest

org.openengsb.core.api.model.QueryRequest
The QueryRequest object encapsulates a query request for data against the Engineering Database. It contains parameters which represent properties of models and allows to define meta data for the query. This meta data is: timestamp = The timestamp defines for which point in time the query is performed (only the objects which were active at the given point in time and which are fitting the parameters are returned). The default value is System.currentTimeMillis(). contextId = If this value is unequal to null, the search will be restricted to models of a specific context. wildcardAware = Defines if the values of the parameters are aware of wildcards. Wildcards are % for a generic sequence of characters and _ for exactly one unknown character. The default value is true. caseSensitive = Defines if the values of the parameters are case sensitive in the query. The default value is true. andJoined = Defines if the parameters are joined via logical AND operators (value=true) or logical OR operators (value=false). The default value is true.

        assertWorking("query with one condition don't work", "a:\"b\"");
    }


    @Test
    public void testAndQueryRequestObjectConstruction_shouldBuildCorrectObjects() throws Exception {
        QueryRequest request = parser.parseQueryString("a:\"b\" and c:\"d\"");
        assertThat(request.isAndJoined(), is(true));
        assertThat(request.getParameter("a").contains("b"), is(true));
        assertThat(request.getParameter("c").contains("d"), is(true));
        request = parser.parseQueryString("a:\"b\" and c:\"d\" and e:\"f\"");
        assertThat(request.isAndJoined(), is(true));
        assertThat(request.getParameter("a").contains("b"), is(true));
        assertThat(request.getParameter("c").contains("d"), is(true));
        assertThat(request.getParameter("e").contains("f"), is(true));
    }

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        assertThat(request.getParameter("e").contains("f"), is(true));
    }


    @Test
    public void testOrQueryRequestObjectConstruction_shouldBuildCorrectObjects() throws Exception {
        QueryRequest request = parser.parseQueryString("a:\"b\" or c:\"d\"");
        assertThat(request.isAndJoined(), is(false));
        assertThat(request.getParameter("a").contains("b"), is(true));
        assertThat(request.getParameter("c").contains("d"), is(true));
        request = parser.parseQueryString("a:\"b\" or c:\"d\" or e:\"f\"");
        assertThat(request.isAndJoined(), is(false));
        assertThat(request.getParameter("a").contains("b"), is(true));
        assertThat(request.getParameter("c").contains("d"), is(true));
        assertThat(request.getParameter("e").contains("f"), is(true));
    }

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        assertThat(request.getParameter("e").contains("f"), is(true));
    }


    @Test
    public void testSpecialQueryRequestObjectConstruction_shouldBuildCorrectObjects() throws Exception {
        QueryRequest request = parser.parseQueryString("");
        assertThat(request.getParameters().size(), is(0));
        request = parser.parseQueryString("a:\"b\"");
        assertThat(request.getParameter("a").contains("b"), is(true));
    }

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        EKBCommit commit =
            getTestEKBCommit().addInserts(
                Arrays.asList(model1.getModel(), model2.getModel(), model3.getModel(), model4.getModel()));
        persist.commit(commit);


        QueryRequest request =
            QueryRequest.create().orJoined().addParameter("name", "model1").addParameter("name", "model2")
                .addParameter("field", "test");
        List<Object> result = (List<Object>) query.query(getTestModel(), request);
        assertThat(result, notNullValue());
        assertThat(result.size(), is(3));

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        model.setName("C:\\\\test");
        model.setEdbId("createevent/6");
        EKBCommit commit = getTestEKBCommit().addInsert(model.getModel());
        persist.commit(commit);


        QueryRequest request = QueryRequest.query("name", "C:\\\\test").wildcardUnaware();
        @SuppressWarnings("unchecked")
        List<Object> result = (List<Object>) query.query(getTestModel(), request);
        assertThat(result.isEmpty(), is(false));
        assertThat(result.get(0), is(getTestModel()));
    }

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        model2.setName("testmodel");
        model2.setEdbId("createevent/8");
        commit = getTestEKBCommit().addInsert(model2.getModel());
        persist.commit(commit);


        QueryRequest request = QueryRequest.query("name", "testmodel");
        List<Object> result = (List<Object>) query.query(getTestModel(), request);
        assertThat(result.size(), is(2));
        request.setContextId(CONTEXT);
        result = (List<Object>) query.query(getTestModel(), request);
        assertThat(result.size(), is(1));
        assertThat(new TestModelDecorator(result.get(0)).getEdbId(), is("createevent/7"));
        request.setContextId("othercontext");
        result = (List<Object>) query.query(getTestModel(), request);
        assertThat(result.size(), is(1));
        assertThat(new TestModelDecorator(result.get(0)).getEdbId(), is("createevent/8"));
        request.setContextId("somenonesensecontext");
        result = (List<Object>) query.query(getTestModel(), request);
        assertThat(result.size(), is(0));
        ContextHolder.get().setCurrentContextId(CONTEXT);
    }

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        UUID postCommit2Revision = query.getLastRevisionNumberOfContext(CONTEXT);
        persist.deleteCommit(postCommit2Revision, CONTEXT);


        UUID postDelete1Revision = query.getLastRevisionNumberOfContext(CONTEXT);
        assertThat(postDelete1Revision, is(preCommit2Revision));
        QueryRequest request = QueryRequest.query("edbId", "deleteCommitTest/1");
        List<Object> result = (List<Object>) query.query(getTestModel(), request);
        assertThat(result.size(), is(1));
        persist.deleteCommit(preCommit2Revision, CONTEXT);


        UUID postDelete2Revision = query.getLastRevisionNumberOfContext(CONTEXT);

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        v1 = new EDBObject("/test/query2", data2);
        ci = getEDBCommit();
        ci.insert(v1);
        long time2 = db.commit(ci);


        QueryRequest req = QueryRequest.query("A", "B");
        List<EDBObject> list1 = db.query(req);
        req = QueryRequest.query("A", "B").addParameter("Dog", "Food");
        List<EDBObject> list2 = db.query(req);
        req = QueryRequest.query("Cow", "Milk");
        List<EDBObject> list3 = db.query(req);

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        commit.insert(v2);
        commit.insert(v3);
        commit.insert(v4);
        commit.insert(v5);
        db.commit(commit);
        QueryRequest request = QueryRequest.create().orJoined();
        request.addParameter("Cow", "Milk");
        assertThat(db.query(request).size(), is(2));
        request.addParameter("Cow", "Steak");
        assertThat(db.query(request).size(), is(3));
        request.addParameter("Animal", "Dog");
        assertThat(db.query(request).size(), is(4));
        request.removeParameter("Cow");
        assertThat(db.query(request).size(), is(3));
        request.addParameter("Cow", "Milk").addParameter("House", "Garden");
        assertThat(db.query(request).size(), is(5));
    }

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        EDBObject v4 = new EDBObject("/test2/query/15/4", data4);
        commit = getEDBCommit();
        commit.insert(v3);
        commit.insert(v4);
        db.commit(commit);
        QueryRequest request = QueryRequest.create().orJoined();
        request.addParameter("Animal", "Dog");
        assertThat(db.query(request).size(), is(2));
        request.setContextId("/test");
        List<EDBObject> result = db.query(request);
        assertThat(result.size(), is(1));
        assertThat(result.get(0).getOID(), is("/test/query/15/2"));


        request.setContextId("/test2");
        result = db.query(request);
        assertThat(result.size(), is(1));
        assertThat(result.get(0).getOID(), is("/test2/query/15/4"));
    }

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