Package org.slim3.gen.datastore

Examples of org.slim3.gen.datastore.DataType

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        @Override
        public Void visitLinkedHashSetType(
                final LinkedHashSetType collectionType,
                final AttributeMetaDesc attr) throws RuntimeException {
            DataType elementType = collectionType.getElementType();
            Boolean handled =
                elementType.accept(
                    new SimpleDataTypeVisitor<Boolean, Void, RuntimeException>(
                        false) {

                        @Override
                        public Boolean visitCoreReferenceType(
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        }

        @Override
        public Void visitSortedSetType(final SortedSetType collectionType,
                final AttributeMetaDesc attr) throws RuntimeException {
            DataType elementType = collectionType.getElementType();
            Boolean handled =
                elementType.accept(
                    new SimpleDataTypeVisitor<Boolean, Void, RuntimeException>(
                        false) {

                        @Override
                        public Boolean visitCoreReferenceType(
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                for (AttributeMetaDesc attr : modelMetaDesc
                    .getAttributeMetaDescList()) {
                    if (attr.isPrimaryKey()) {
                        continue;
                    }
                    DataType dataType = attr.getDataType();
                    dataType.accept(this, attr);
                }
                int schemaVersion = modelMetaDesc.getSchemaVersion();
                if (schemaVersion > 0) {
                    printer.println(
                        "entity.setProperty(\"%1$s\", %2$s);",
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        }

        @Override
        public Void visitArrayType(ArrayType type, final AttributeMetaDesc attr)
                throws RuntimeException {
            DataType componentType = type.getComponentType();
            boolean accepted =
                componentType.accept(
                    new SimpleDataTypeVisitor<Boolean, Void, RuntimeException>(
                        false) {

                        @Override
                        public Boolean visitPrimitiveByteType(
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                    for (AttributeMetaDesc attr : modelMetaDesc
                        .getAttributeMetaDescList()) {
                        if (attr.isPrimaryKey()) {
                            continue;
                        }
                        DataType dataType = attr.getDataType();
                        dataType.accept(this, attr);
                    }
                }
            }
            printer.unindent();
            printer.println("}");
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                    valueExp = "m." + attr.getReadMethodName() + "()";
                    indent = 0;
                    JsonAnnotation ja = attr.getJson();
                    if (ja.isIgnore())
                        continue;
                    DataType dataType = attr.getDataType();
                    if (!isSupportedForJson(dataType)) {
                        printer.println("// %s is not supported.", dataType
                            .getClassName());
                        continue;
                    }
                    if (!(dataType instanceof CorePrimitiveType)
                        && ja.isIgnoreNull()) {
                        printer.print("if(%s != null", valueExp);
                        if (dataType instanceof TextType) {
                            printer.printWithoutIndent(
                                " && %s.getValue() != null",
                                valueExp);
                        } else if (dataType instanceof BlobType) {
                            printer.printWithoutIndent(
                                " && %s.getBytes() != null",
                                valueExp);
                        } else if (dataType instanceof ModelRefType) {
                            printer.printWithoutIndent(
                                " && %s.getKey() != null",
                                valueExp);
                        }
                        printer.printlnWithoutIndent("){");
                        printer.indent();
                        indent++;
                    }
                    String name = ja.getAlias();
                    if (name.length() == 0) {
                        name = attr.getAttributeName();
                    }
                    printer
                        .println("writer.setNextPropertyName(\"%1$s\");", name);
                    printer.println("encoder = new %s();", ja
                        .getCoderClassName());
                    dataType.accept(this, attr);
                    for (int i = 0; i < indent; i++) {
                        printer.unindent();
                        printer.println("}");
                    }
                }
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        }

        @Override
        public Void visitCollectionType(CollectionType type, AttributeMetaDesc p)
                throws RuntimeException {
            DataType et = type.getElementType();
            if (!isSupportedForJson(et)) {
                printer.println("// %s is not supported.", et.getClassName());
                return null;
            }
            if (!p.getJson().isIgnoreNull()) {
                printer.println("if(%s == null){", valueExp);
                printer.indent();
                printer.println("writer.writeNull();");
                printer.unindent();
                printer.println("} else{");
                printer.indent();
                indent++;
            }
            printer.println("writer.beginArray();");
            printer.println("for(%s v : %s){", et.getClassName(), valueExp);
            printer.indent();
            ModelToJsonMethodGenerator gen =
                new ModelToJsonMethodGenerator(printer, "v");
            et.accept(gen, p);
            for (int i = 0; i < gen.indent; i++) {
                printer.unindent();
                printer.println("}");
            }
            printer.unindent();
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        }

        @Override
        public Void visitArrayType(ArrayType type, AttributeMetaDesc p)
                throws RuntimeException {
            DataType et = type.getComponentType();
            if (!isSupportedForJson(et)) {
                printer.println("// %s(%s) is not supported.",
                    et.getClassName(), et.getTypeName());
                return null;
            }
            if (et.getClassName().equals("byte")) {
                if (!p.getJson().isIgnoreNull()) {
                    printer.println("if(%s == null){", valueExp);
                    printer.indent();
                    printer.println(
                        "encoder.encode(writer, (%s)null);",
                        ShortBlob);
                    printer.unindent();
                    printer.println("} else{");
                    printer.indent();
                    indent++;
                }
                printer.println(
                    "encoder.encode(writer, new %s(%s));",
                    ShortBlob,
                    valueExp);
            } else {
                if(!p.getJson().isIgnoreNull()){
                    printer.println("if(%s == null){", valueExp);
                    printer.indent();
                    printer.println("encoder.encode(writer, (%s));",
                        valueExp);
                    printer.unindent();
                    printer.println("} else{");
                    printer.indent();
                    indent++;
                }
                printer.println("writer.beginArray();");
                printer.println("for(%s v : %s){"
                        , et.getClassName(), valueExp);
                printer.indent();
                ModelToJsonMethodGenerator gen = new ModelToJsonMethodGenerator(
                    printer, "v");
                et.accept(gen, p);
                for(int i = 0; i < gen.indent; i++){
                    printer.unindent();
                    printer.println("}");
                }
                printer.unindent();
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                for (AttributeMetaDesc attr : modelMetaDesc
                    .getAttributeMetaDescList()) {
                    JsonAnnotation ja = attr.getJson();
                    if (ja.isIgnore())
                        continue;
                    DataType dt = attr.getDataType();
                    if (!isSupportedForJson(dt)) {
                        printer.println("// %s is not supported.", dt
                            .getClassName());
                        continue;
                    }
                    String name = ja.getAlias();
                    if (name.length() == 0) {
                        name = attr.getAttributeName();
                    }
                    printer.println(
                        "reader = rootReader.newObjectReader(\"%s\");",
                        name);
                    printer.println("decoder = new %s();", ja
                        .getCoderClassName());
                    setterExp = "m." + attr.getWriteMethodName();
                    getterExp = "m." + attr.getReadMethodName() + "()";
                    dt.accept(this, attr);
                }
                printer.unindent();
                printer.println("return m;");
            }
            printer.unindent();
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        }

        @Override
        public Void visitCollectionType(CollectionType type, AttributeMetaDesc p)
                throws RuntimeException {
            DataType et = type.getElementType();
            if (!isSupportedForJson(et)) {
                return null;
            }
            String container = ArrayList;
            if (type instanceof SortedSetType)
                container = TreeSet;
            else if (type instanceof SetType)
                container = HashSet;
            printer.println("{");
            printer.indent();
            printer.println(
                "%s<%s> elements = new %1$s<%2$s>();",
                container,
                et.getTypeName());
            printer.println(
                "%s r = rootReader.newArrayReader(\"%s\");",
                JsonArrayReader,
                p.getAttributeName());
            printer.println("if(r != null){");
            printer.indent();
            printer.println("reader = r;");
            printer.println("int n = r.length();");
            printer.println("for(int i = 0; i < n; i++){");
            printer.indent();
            printer.println("r.setIndex(i);");
            if (et instanceof ModelRefType) {
                printer.println("%s ref = new %1$s(%s.class);", et
                    .getTypeName(), ((ModelRefType) et)
                    .getReferenceModelTypeName());
                type.getElementType().accept(
                    new JsonToModelMethodGenerator(
                        printer,
                        "ref",
                        "elements.add",
                        true),
                    p);
                printer.println("if(ref.getKey() != null){");
                printer.indent();
                printer.println("elements.add(ref);");
                printer.unindent();
                printer.println("}");
            } else {
                type.getElementType().accept(
                    new JsonToModelMethodGenerator(printer, "("
                        + et.getClassName()
                        + ")null", "elements.add", true),
                    p);
            }
            printer.unindent();
            printer.println("}");
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