Package org.opengis.filter

Examples of org.opengis.filter.FilterFactory.function()

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        //test with post filter on table being joined
        q = new Query(tname("ft1"));
        join = new Join(tname("ftjoin"), j);
        join.setProperties(Query.NO_PROPERTIES);
        join.filter(ff.equal(
            ff.function("__equals", ff.property(aname("name")), ff.literal("one")),
            ff.literal(true), true));
        q.getJoins().add(join);
       
        features = dataStore.getFeatureSource(tname("ft1")).getFeatures(q);
        assertEquals(1, features.size());
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        assertEquals(2, names.length);
        List list = Arrays.asList(names);
        assertTrue(list.contains("name"));
        assertTrue(list.contains("id"));

        Function fnCall = factory.function("Max", new Expression[] { id, name });

        PropertyIsLike fn = factory.like(fnCall, "does-not-matter");
        names = DataUtilities.attributeNames(fn);
        list = Arrays.asList(names);
        assertTrue(list.contains("name"));
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    public void functionExpressionToCQL() throws Exception {
     
        Expression[] absArgs = new Expression[1];
        FilterFactory ff = CommonFactoryFinder.getFilterFactory((Hints) null);
        absArgs[0] = ff.literal(10);
        Function abs = ff.function("abs", absArgs);
   
      String resultECQL = ECQL.toCQL(abs);

      Assert.assertEquals("abs(10)", resultECQL);
    }
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        request.setEnv(Collections.singletonMap("myParam", 23));

        final DummyRasterMapProducer producer = new DummyRasterMapProducer() {
            @Override
            public WebMap produceMap(WMSMapContext ctx) throws ServiceException, IOException {
                assertEquals(23, ff.function("env", ff.literal("myParam")).evaluate(null));
                assertEquals(10, ff.function("env", ff.literal("otherParam"), ff.literal(10))
                        .evaluate(null));
                super.produceMapCalled = true;
                return null;
            }
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        final DummyRasterMapProducer producer = new DummyRasterMapProducer() {
            @Override
            public WebMap produceMap(WMSMapContext ctx) throws ServiceException, IOException {
                assertEquals(23, ff.function("env", ff.literal("myParam")).evaluate(null));
                assertEquals(10, ff.function("env", ff.literal("otherParam"), ff.literal(10))
                        .evaluate(null));
                super.produceMapCalled = true;
                return null;
            }
        };
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        getMapOp = new GetMap(wms);
        WebMap map = getMapOp.run(request);
        assertTrue(producer.produceMapCalled);
        // only defaults
        assertNull(ff.function("env", ff.literal("myParam")).evaluate(null));
        assertEquals(10, ff.function("env", ff.literal("otherParam"), ff.literal(10))
                .evaluate(null));
    }

    private void assertInvalidMandatoryParam(String expectedExceptionCode) {
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        getMapOp = new GetMap(wms);
        WebMap map = getMapOp.run(request);
        assertTrue(producer.produceMapCalled);
        // only defaults
        assertNull(ff.function("env", ff.literal("myParam")).evaluate(null));
        assertEquals(10, ff.function("env", ff.literal("otherParam"), ff.literal(10))
                .evaluate(null));
    }

    private void assertInvalidMandatoryParam(String expectedExceptionCode) {
        try {
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        EnvFunction.setLocalValues(Collections.singletonMap("myParam", (Object) 23));

        final DummyRasterMapProducer producer = new DummyRasterMapProducer() {
            @Override
            public WebMap produceMap(WMSMapContent ctx) throws ServiceException, IOException {
                assertEquals(23, ff.function("env", ff.literal("myParam")).evaluate(null));
                assertEquals(10, ff.function("env", ff.literal("otherParam"), ff.literal(10))
                        .evaluate(null));
                super.produceMapCalled = true;
                return null;
            }
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        final DummyRasterMapProducer producer = new DummyRasterMapProducer() {
            @Override
            public WebMap produceMap(WMSMapContent ctx) throws ServiceException, IOException {
                assertEquals(23, ff.function("env", ff.literal("myParam")).evaluate(null));
                assertEquals(10, ff.function("env", ff.literal("otherParam"), ff.literal(10))
                        .evaluate(null));
                super.produceMapCalled = true;
                return null;
            }
        };
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    @Override
    public void handleGet() {

        FilterFactory ff = CommonFactoryFinder.getFilterFactory();
        Function function = ff.function("env", ff.literal("GSUSER"), ff.literal("USER_NOT_FOUND"));
        String result = function.evaluate(null, String.class);

        getResponse().setEntity(result, MediaType.TEXT_PLAIN);
    }
}
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