Examples of org.apache.stanbol.entityhub.servicesapi.model.Representation

Package org.apache.stanbol.entityhub.servicesapi.model

Examples of org.apache.stanbol.entityhub.servicesapi.model.Representation

org.apache.stanbol.entityhub.servicesapi.model.Representation
This interface is used by the Entityhub to define representations. It is used for any kind of CRUD operations on the {@link Yard} (the storage of the Entityhub).
The goal if this interface is to allow implementation based on different storage solutions such as CMS, full text indices, triple stores, noSQL data stores ...
TODO: handling the differences between "NaturalLanguageText", "References" and "normal" values feels to complex! Need to reevaluate if this differentiation is needed or can be done in a more easy way! TODO: add an API that allows to attach Content! TODO: Do we need subNodes or are "references" enough. TODO: Check to use also Wrappers for fields and values (in analogy to {@link Reference} and {@link Text}. PRO: clearer API CON: more Objects to be garbage collected. @author Rupert Westenthaler

    }


    @Test
    public void testGetNaturalTextWithLanguagesWithoutValues() {
        String field = "urn:the.field:used.for.this.Test";
        Representation rep = initNaturalLanguageTest(field);
        // test not present language
        Iterator<Text> esTexts = rep.get(field, "es");
        assertNotNull(esTexts);
        assertFalse(esTexts.hasNext());
        // test multiple not present languages
        Iterator<Text> frItTexts = rep.get(field, "fr", "it");
        assertNotNull(frItTexts);
        assertFalse(frItTexts.hasNext());
    }

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    }


    @Test
    public void testGetNaturalTextWithAnyLanguageByParsingAnEmptyArray() {
        String field = "urn:the.field:used.for.this.Test";
        Representation rep = initNaturalLanguageTest(field);
        // test Iterator for any language (by parsing an empty list)
        Iterator<Text> allTexts = rep.get(field, new String[] {});
        assertNotNull(allTexts);
        assertTrue(asCollection(allTexts).size() == NL_TEST_all.size());
    }

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    }


    @Test
    public void testGetNaturalTextWithAnyLanguageByParsingNullAsArray() {
        String field = "urn:the.field:used.for.this.Test";
        Representation rep = initNaturalLanguageTest(field);
        // test Iterator for any language (by parsing null)
        Iterator<Text> allTexts = rep.get(field, (String[]) null);
        assertNotNull(allTexts);
        assertTrue(asCollection(allTexts).size() == NL_TEST_all.size());
    }

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    }


    @Test
    public void testRemoveNaturalTextWithWrongLanguage() {
        String field = "urn:the.field:used.for.this.Test";
        Representation rep = initNaturalLanguageTest(field);
        // Test removal of natural language
        // remove a specific test, but wrong language -> no effect
        rep.removeNaturalText(field, NL_TEST_en2, "de");
        assertTrue(asCollection(rep.get(field)).size() == NL_TEST_all.size());
    }

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    }


    @Test
    public void testRemoveNaturalTextWithWrongNullLanguage() {
        String field = "urn:the.field:used.for.this.Test";
        Representation rep = initNaturalLanguageTest(field);
        // remove a specific text, but with wrong null language -> also no effect
        rep.removeNaturalText(field, NL_TEST_de, (String) null);
        assertTrue(asCollection(rep.get(field)).size() == NL_TEST_all.size());
    }

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    }


    @Test
    public void testRemoveNaturalTextWithCorrectAndWrongLanguage() {
        String field = "urn:the.field:used.for.this.Test";
        Representation rep = initNaturalLanguageTest(field);
        // remove a specific text, parse one correct and one wrong lang
        rep.removeNaturalText(field, NL_TEST_en2, "de", "en");
        Set<String> textSet = new HashSet<String>(NL_TEST_all);
        // remove all remaining values
        for (Iterator<Text> texts = rep.getText(field); texts.hasNext(); textSet.remove(texts.next()
                .getText()))
            ;
        // and check that the value we expect to be removed is still in the set
        assertTrue(textSet.size() == 1);
        assertTrue(textSet.contains(NL_TEST_en2));

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     * value with the parse same text.
     */
    @Test
    public void testRemoveStringValuesByRemovingNaturalLanguageTextsWithNullLanguage() {
        String field = "urn:the.field:used.for.this.Test";
        Representation rep = initNaturalLanguageTest(field);
        Set<String> textSet = new HashSet<String>(NL_TEST_all);


        // remove a string value by parsing the text and null as language
        rep.removeNaturalText(field, NL_TEST_string, (String) null);
        for (Iterator<Text> texts = rep.getText(field); texts.hasNext(); textSet.remove(texts.next()
                .getText()))
            ;
        assertTrue(textSet.size() == 1); // only one element should be removed
        assertTrue(textSet.remove(NL_TEST_string)); // and this should be the stringTest
    }

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     * with the parse same text.
     */
    @Test
    public void testRemoveStringValuesByRemovingNaturalLanguageTextsWithNoLanguage() {
        String field = "urn:the.field:used.for.this.Test";
        Representation rep = initNaturalLanguageTest(field);
        Set<String> textSet = new HashSet<String>(NL_TEST_all);
        // remove a string value by parsing only the text
        rep.removeNaturalText(field, NL_TEST_string);
        textSet.addAll(Arrays.asList(NL_TEST_string, NL_TEST_noLang, NL_TEST_en, NL_TEST_en2, NL_TEST_de,
            NL_TEST_de_AT));
        for (Iterator<Text> texts = rep.getText(field); texts.hasNext(); textSet.remove(texts.next()
                .getText()))
            ;
        assertTrue(textSet.size() == 1); // only one element should be removed
        assertTrue(textSet.remove(NL_TEST_string)); // and this should be the stringTest
    }

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     * and therefore remove the String value.
     */
    @Test
    public void testRemoveStringValuesByRemovingNaturalLanguageTextsWithEmptyLanguageArray() {
        String field = "urn:the.field:used.for.this.Test";
        Representation rep = initNaturalLanguageTest(field);
        Set<String> textSet = new HashSet<String>(NL_TEST_all);
        // remove a string value by parsing an empty list of languages
        rep.removeNaturalText(field, NL_TEST_string, new String[] {});
        textSet.addAll(Arrays.asList(NL_TEST_string, NL_TEST_noLang, NL_TEST_en, NL_TEST_en2, NL_TEST_de,
            NL_TEST_de_AT));
        for (Iterator<Text> texts = rep.getText(field); texts.hasNext(); textSet.remove(texts.next()
                .getText()))
            ;
        assertTrue(textSet.size() == 1); // only one element should be removed
        assertTrue(textSet.remove(NL_TEST_string)); // and this should be the stringTest
        rep.add(field, NL_TEST_string); // re add the value for further tests
    }

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    /**
     * Tests the feature to add one and the same natural language text for multiple languages
     */
    public void testAddNaturalLanguageTextForMultipleLanguages() {
        String field = "urn:the.field:used.for.this.Test";
        Representation rep = createRepresentation(null);
        // add the same label for multiple language
        String[] languageArray = new String[] {"en", "de", null};
        rep.addNaturalText(field, NL_TEST_noLang, languageArray);
        Set<String> languages = new HashSet<String>(Arrays.asList(languageArray));
        Iterator<Text> texts = rep.get(field, (String[]) null);
        while (texts.hasNext()) {
            Text text = texts.next();
            assertTrue(languages.remove(text.getLanguage()));
            assertEquals(NL_TEST_noLang, text.getText());
        }

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