Examples of org.apache.marmotta.kiwi.persistence.KiWiConnection.loadLiteral()

Package org.apache.marmotta.kiwi.persistence

Class org.apache.marmotta.kiwi.persistence.KiWiConnection

Examples of org.apache.marmotta.kiwi.persistence.KiWiConnection.loadLiteral()

org.apache.marmotta.kiwi.persistence.KiWiConnection.loadLiteral()
Load a literal based on the value, language and type passed as argument. The method will first look in the node cache for cached nodes. If no cache entry is found, it will run a database query ("load.literal_by_v") on the NODES table and construct a new KiWiLiteral using the values of the literal columns (svalue, ivalue, ...). The type of literal returned depends on the value of the ntype column.
When a node is loaded from the database, it will be added to the different caches to speed up subsequent requests. @param value string value of the literal to load @param lang language of the literal to load (optional, 2-letter language code with optional country) @param ltype the type of the literal to load (optional) @return the literal matching the given arguments or null if it does not exist @throws SQLException


                    if(result == null) {
                        result= new KiWiBooleanLiteral(bvalue, rtype);
                    }
                } else {
                    result = connection.loadLiteral(value.toString(), lang, rtype);


                    if(result == null) {
                        result = new KiWiStringLiteral(value.toString(), locale, rtype);
                    }
                }

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            } catch(IllegalArgumentException ex) {
                // malformed number or date
                log.warn("malformed argument for typed literal of type {}: {}", rtype.stringValue(), value);
                KiWiUriResource mytype = (KiWiUriResource)createURI(Namespaces.NS_XSD+"string");


                result = connection.loadLiteral(value.toString(), lang, mytype);


                if(result == null) {
                    result = new KiWiStringLiteral(value.toString(), locale, mytype);
                }

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                    dvalue = (Date)value;
                } else {
                    dvalue = DateUtils.parseDate(value.toString());
                }


                result = connection.loadLiteral(dvalue);


                if(result == null) {
                    result= new KiWiDateLiteral(dvalue, rtype);
                }
            } else if(Integer.class.equals(value.getClass()) || int.class.equals(value.getClass())  ||

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                } else {
                    ivalue = Long.parseLong(value.toString());
                }




                result = connection.loadLiteral(ivalue);


                if(result == null) {
                    result= new KiWiIntLiteral(ivalue, rtype);
                }
            } else if(Double.class.equals(value.getClass())   || double.class.equals(value.getClass())  ||

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                } else {
                    dvalue = Double.parseDouble(value.toString());
                }




                result = connection.loadLiteral(dvalue);


                if(result == null) {
                    result= new KiWiDoubleLiteral(dvalue, rtype);
                }
            } else if(Boolean.class.equals(value.getClass())   || boolean.class.equals(value.getClass())  ||

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                } else {
                    bvalue = Boolean.parseBoolean(value.toString());
                }




                result = connection.loadLiteral(bvalue);


                if(result == null) {
                    result= new KiWiBooleanLiteral(bvalue, rtype);
                }
            } else {

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                if(result == null) {
                    result= new KiWiBooleanLiteral(bvalue, rtype);
                }
            } else {
                result = connection.loadLiteral(value.toString(), lang, rtype);


                if(result == null) {
                    result = new KiWiStringLiteral(value.toString(), locale, rtype);
                }
            }

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            // needs to be equal, and should also be the identical object!
            Assert.assertEquals(literal,testLiteral2);
            Assert.assertTrue(literal == testLiteral2);


            KiWiNode testLiteral3 = connection.loadLiteral(literal.stringValue(), null, stype);


            // needs to be equal, and should also be the identical object!
            Assert.assertEquals(literal,testLiteral3);
            Assert.assertTrue(literal == testLiteral3);

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            // needs to be equal, but now it should not be the same object!
            Assert.assertEquals(literal,testLiteral4);
            Assert.assertTrue(literal != testLiteral4);


            KiWiNode testLiteral5 = connection.loadLiteral(literal.stringValue(),null,stype);


            // needs to be equal, but now it should not be the same object!
            Assert.assertEquals(literal,testLiteral5);
            Assert.assertTrue(literal != testLiteral5);

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            // needs to be equal, and should also be the identical object!
            Assert.assertEquals(literal,testLiteral2);
            Assert.assertTrue(literal == testLiteral2);


            KiWiNode testLiteral3 = connection.loadLiteral(literal.stringValue(),Locale.ENGLISH.getLanguage(),null);


            // needs to be equal, and should also be the identical object!
            Assert.assertEquals(literal,testLiteral3);
            Assert.assertTrue(literal == testLiteral3);

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