private FieldDeclaration createDeleteFlagValueField(
EmitContext context, ModelDeclaration model, AstLiteral deleteFlagValue) {
assert context != null;
assert model != null;
assert deleteFlagValue != null;
ModelFactory f = context.getModelFactory();
Type type;
Expression value;
switch (deleteFlagValue.kind) {
case BOOLEAN:
type = context.resolve(boolean.class);
value = Models.toLiteral(f, deleteFlagValue.toBooleanValue());
break;
case INTEGER:
type = context.resolve(int.class);
value = Models.toLiteral(f, deleteFlagValue.toIntegerValue().intValue());
break;
case STRING:
type = context.resolve(Text.class);
value =
new TypeBuilder(f, context.resolve(Text.class))
.newObject(Models.toLiteral(f, deleteFlagValue.toStringValue()))
.toExpression();
break;
default:
throw new AssertionError(deleteFlagValue);
}
return f.newFieldDeclaration(
null,
new AttributeBuilder(f).Private().Static().Final().toAttributes(),
type,
f.newSimpleName(FIELD_DELETE_FLAG_VALUE),
value);
}
@Override
public List<Annotation> getTypeAnnotations(EmitContext context, ModelDeclaration model)
throws IOException {
Type type = generate(context, model);
ModelFactory f = context.getModelFactory();
return new AttributeBuilder(f)
.annotation(
context.resolve(ModelInputLocation.class), f.newClassLiteral(context.resolve(type)))
.toAnnotations();
}
private MethodDeclaration createGetModelType() {
return createGetter(
new TypeBuilder(f, context.resolve(Class.class))
.parameterize(
f.newWildcard(
WildcardBoundKind.UPPER_BOUNDED, context.resolve(model.getSymbol())))
.toType(),
"getModelType",
f.newClassLiteral(context.resolve(model.getSymbol())));
}
private Type generate(EmitContext context, ModelDeclaration model) throws IOException {
EmitContext next =
new EmitContext(
context.getSemantics(),
context.getConfiguration(),
model,
NameConstants.CATEGORY_IO,
"{0}Input");
Generator.emit(next, model);
return context.resolve(next.getQualifiedTypeName());
}
private DescriptionGenerator(
EmitContext context, ModelDeclaration model, Name supportClassName, boolean importer) {
assert context != null;
assert model != null;
assert supportClassName != null;
this.context = context;
this.model = model;
this.f = context.getModelFactory();
this.importer = importer;
this.supportClass = context.resolve(supportClassName);
}
private TypeBodyDeclaration createCloser() {
return f.newMethodDeclaration(
null,
new AttributeBuilder(f)
.annotation(context.resolve(Override.class))
.Public()
.toAttributes(),
Collections.<TypeParameterDeclaration>emptyList(),
context.resolve(void.class),
f.newSimpleName("close"),
Collections.<FormalParameterDeclaration>emptyList(),
0,
Collections.singletonList(context.resolve(IOException.class)),
f.newBlock(createCloserBody()));
}
@Override
public List<Type> getInterfaces(EmitContext context, ModelDeclaration model) throws IOException {
if (isTarget(model) == false) {
return Collections.emptyList();
}
return Arrays.asList(context.resolve(ThunderGateCacheSupport.class));
}
private Generator(EmitContext context, ModelDeclaration model) {
assert context != null;
assert model != null;
this.context = context;
this.model = model;
this.f = context.getModelFactory();
}
private TypeBodyDeclaration createConstructor() {
return f.newConstructorDeclaration(
new JavadocBuilder(f)
.text("インスタンスを生成する。")
.param(createParserFieldName())
.text("利用するパーサー")
.exception(context.resolve(IllegalArgumentException.class))
.text("引数に<code>null</code>が指定された場合")
.toJavadoc(),
new AttributeBuilder(f).Public().toAttributes(),
context.getTypeName(),
Collections.singletonList(
f.newFormalParameterDeclaration(
context.resolve(RecordParser.class), createParserFieldName())),
createConstructorBody());
}
private void emit() throws IOException {
ClassDeclaration decl =
f.newClassDeclaration(
new JavadocBuilder(f)
.text("An abstract implementation of ")
.linkType(context.resolve(model.getSymbol()))
.text(" {0} description using WindGate CSV", importer ? "importer" : "exporter")
.text(".")
.toJavadoc(),
new AttributeBuilder(f).Public().Abstract().toAttributes(),
context.getTypeName(),
context.resolve(Models.toName(f, importer ? IMPORTER_TYPE_NAME : EXPORTER_TYPE_NAME)),
Collections.<com.asakusafw.utils.java.model.syntax.Type>emptyList(),
createMembers());
context.emit(decl);
}
private void emit() throws IOException {
ClassDeclaration decl =
f.newClassDeclaration(
new JavadocBuilder(f)
.text("TSVファイルなどのレコードを表すファイルを入力として<code>{0}</code>を読み出す", model.getName())
.toJavadoc(),
new AttributeBuilder(f).Public().Final().toAttributes(),
context.getTypeName(),
Collections.<TypeParameterDeclaration>emptyList(),
null,
Collections.singletonList(
f.newParameterizedType(
context.resolve(ModelInput.class), context.resolve(model.getSymbol()))),
createMembers());
context.emit(decl);
}
private TypeBodyDeclaration createParserField() {
return f.newFieldDeclaration(
null,
new AttributeBuilder(f).Private().Final().toAttributes(),
context.resolve(RecordParser.class),
createParserFieldName(),
null);
}
private FieldDeclaration createPrivateField(Class<?> type, SimpleName name) {
return f.newFieldDeclaration(
null,
new AttributeBuilder(f).Private().Final().toAttributes(),
context.resolve(type),
name,
null);
}
private MethodDeclaration createReader() {
return f.newMethodDeclaration(
null,
new AttributeBuilder(f)
.annotation(context.resolve(Override.class))
.Public()
.toAttributes(),
Collections.<TypeParameterDeclaration>emptyList(),
context.resolve(boolean.class),
f.newSimpleName("readTo"),
Collections.singletonList(
f.newFormalParameterDeclaration(
context.resolve(model.getSymbol()), createModelParameterName())),
0,
Collections.singletonList(context.resolve(IOException.class)),
f.newBlock(createReaderBody()));
}
private MethodDeclaration createTimestampColumnMethod(
EmitContext context, ModelDeclaration model, PropertySymbol timestamp) {
assert context != null;
assert model != null;
assert timestamp != null;
ModelFactory f = context.getModelFactory();
String name = OriginalNameEmitter.getOriginalName(timestamp.findDeclaration());
List<Statement> statements = Lists.create();
statements.add(new ExpressionBuilder(f, Models.toLiteral(f, name)).toReturnStatement());
return f.newMethodDeclaration(
null,
new AttributeBuilder(f).annotation(context.resolve(Override.class)).Public().toAttributes(),
context.resolve(String.class),
f.newSimpleName("__tgc__TimestampColumn"),
Collections.<FormalParameterDeclaration>emptyList(),
statements);
}
private MethodDeclaration createModelVersionMethod(
EmitContext context, ModelDeclaration model, CacheSupportTrait trait) {
assert context != null;
assert model != null;
assert trait != null;
ModelFactory f = context.getModelFactory();
List<Statement> statements = Lists.create();
statements.add(
new ExpressionBuilder(f, Models.toLiteral(f, computeModelVersion(context, model, trait)))
.toReturnStatement());
return f.newMethodDeclaration(
null,
new AttributeBuilder(f).annotation(context.resolve(Override.class)).Public().toAttributes(),
context.resolve(long.class),
f.newSimpleName("__tgc__DataModelVersion"),
Collections.<FormalParameterDeclaration>emptyList(),
statements);
}
private MethodDeclaration createGetConfiguration() {
List<Statement> statements = Lists.create();
List<Expression> arguments = Lists.create();
arguments.add(
new TypeBuilder(f, context.resolve(Charset.class))
.method("forName", Models.toLiteral(f, conf.getCharsetName()))
.toExpression());
if (conf.isEnableHeader()) {
SimpleName headers = f.newSimpleName("headers");
statements.add(
new TypeBuilder(f, context.resolve(ArrayList.class))
.parameterize(context.resolve(String.class))
.newObject()
.toLocalVariableDeclaration(
new TypeBuilder(f, context.resolve(List.class))
.parameterize(context.resolve(String.class))
.toType(),
headers));
for (PropertyDeclaration property : model.getDeclaredProperties()) {
if (isValueField(property)) {
String fieldName = CsvFieldTrait.getFieldName(property);
statements.add(
new ExpressionBuilder(f, headers)
.method("add", Models.toLiteral(f, fieldName))
.toStatement());
}
}
arguments.add(headers);
} else {
arguments.add(
new TypeBuilder(f, context.resolve(CsvConfiguration.class))
.field("DEFAULT_HEADER_CELLS")
.toExpression());
}
arguments.add(Models.toLiteral(f, conf.getTrueFormat()));
arguments.add(Models.toLiteral(f, conf.getFalseFormat()));
arguments.add(Models.toLiteral(f, conf.getDateFormat()));
arguments.add(Models.toLiteral(f, conf.getDateTimeFormat()));
statements.add(
new TypeBuilder(f, context.resolve(CsvConfiguration.class))
.newObject(arguments)
.toReturnStatement());
return f.newMethodDeclaration(
new JavadocBuilder(f)
.text("Returns this CSV format configuration.")
.returns()
.text("CSV format configuration")
.toJavadoc(),
new AttributeBuilder(f).Protected().toAttributes(),
context.resolve(CsvConfiguration.class),
f.newSimpleName(METHOD_CONFIG),
Collections.<FormalParameterDeclaration>emptyList(),
statements);
}
private SupportGenerator(
EmitContext context, ModelDeclaration model, Configuration configuration) {
assert context != null;
assert model != null;
assert configuration != null;
this.context = context;
this.model = model;
this.conf = configuration;
this.f = context.getModelFactory();
}
private MethodDeclaration createSystemIdMethod(
EmitContext context, ModelDeclaration model, PropertySymbol sid) {
assert context != null;
assert model != null;
assert sid != null;
ModelFactory f = context.getModelFactory();
List<Statement> statements = Lists.create();
statements.add(
new ExpressionBuilder(f, f.newThis())
.method(context.getValueGetterName(sid.findDeclaration()))
.toReturnStatement());
return f.newMethodDeclaration(
null,
new AttributeBuilder(f).annotation(context.resolve(Override.class)).Public().toAttributes(),
context.resolve(long.class),
f.newSimpleName("__tgc__SystemId"),
Collections.<FormalParameterDeclaration>emptyList(),
statements);
}
private void emit() throws IOException {
ClassDeclaration decl =
f.newClassDeclaration(
new JavadocBuilder(f)
.text("Supports CSV for ")
.linkType(context.resolve(model.getSymbol()))
.text(".")
.toJavadoc(),
new AttributeBuilder(f).Public().toAttributes(),
context.getTypeName(),
Collections.<TypeParameterDeclaration>emptyList(),
null,
Collections.singletonList(
f.newParameterizedType(
context.resolve(DataModelStreamSupport.class),
context.resolve(model.getSymbol()))),
createMembers());
context.emit(decl);
}
private MethodDeclaration createGetSupportedType() {
MethodDeclaration decl =
f.newMethodDeclaration(
null,
new AttributeBuilder(f)
.annotation(context.resolve(Override.class))
.Public()
.toAttributes(),
f.newParameterizedType(
context.resolve(Class.class), context.resolve(model.getSymbol())),
f.newSimpleName("getSupportedType"),
Collections.<FormalParameterDeclaration>emptyList(),
Arrays.asList(
new Statement[] {
new TypeBuilder(f, context.resolve(model.getSymbol()))
.dotClass()
.toReturnStatement()
}));
return decl;
}
private Statement createReaderStatement(PropertyDeclaration property) {
assert property != null;
SimpleName optionGetterName = context.getOptionGetterName(property);
Expression option =
new ExpressionBuilder(f, createModelParameterName())
.method(optionGetterName)
.toExpression();
Statement fill =
new ExpressionBuilder(f, createParserFieldName()).method("fill", option).toStatement();
return fill;
}
private Statement createNullCheck(SimpleName parameter) {
assert parameter != null;
return f.newIfStatement(
new ExpressionBuilder(f, parameter)
.apply(InfixOperator.EQUALS, Models.toNullLiteral(f))
.toExpression(),
f.newBlock(
new TypeBuilder(f, context.resolve(IllegalArgumentException.class))
.newObject(
Models.toLiteral(
f, MessageFormat.format("{0} must not be null", parameter.getToken())))
.toThrowStatement()));
}
private MethodDeclaration createDeletedMethod(
EmitContext context, ModelDeclaration model, PropertySymbol deleteFlagOrNull) {
assert context != null;
assert model != null;
ModelFactory f = context.getModelFactory();
List<Statement> statements = Lists.create();
if (deleteFlagOrNull == null) {
statements.add(new ExpressionBuilder(f, Models.toLiteral(f, false)).toReturnStatement());
} else {
statements.add(
new ExpressionBuilder(f, f.newThis())
.method(context.getOptionGetterName(deleteFlagOrNull.findDeclaration()))
.method("has", f.newSimpleName(FIELD_DELETE_FLAG_VALUE))
.toReturnStatement());
}
return f.newMethodDeclaration(
null,
new AttributeBuilder(f).annotation(context.resolve(Override.class)).Public().toAttributes(),
context.resolve(boolean.class),
f.newSimpleName("__tgc__Deleted"),
Collections.<FormalParameterDeclaration>emptyList(),
statements);
}
private MethodDeclaration createCreateWriter() {
SimpleName path = f.newSimpleName("path");
SimpleName stream = f.newSimpleName("stream");
List<Statement> statements = Lists.create();
statements.add(createNullCheck(path));
statements.add(createNullCheck(stream));
SimpleName emitter = f.newSimpleName("emitter");
statements.add(
new TypeBuilder(f, context.resolve(CsvEmitter.class))
.newObject(
stream,
path,
new ExpressionBuilder(f, f.newThis()).method(METHOD_CONFIG).toExpression())
.toLocalVariableDeclaration(context.resolve(CsvEmitter.class), emitter));
statements.add(
new TypeBuilder(f, f.newNamedType(f.newSimpleName(NAME_WRITER)))
.newObject(emitter)
.toReturnStatement());
MethodDeclaration decl =
f.newMethodDeclaration(
null,
new AttributeBuilder(f)
.annotation(context.resolve(Override.class))
.Public()
.toAttributes(),
Collections.<TypeParameterDeclaration>emptyList(),
context.resolve(
f.newParameterizedType(
context.resolve(DataModelWriter.class), context.resolve(model.getSymbol()))),
f.newSimpleName("createWriter"),
Arrays.asList(
f.newFormalParameterDeclaration(context.resolve(String.class), path),
f.newFormalParameterDeclaration(context.resolve(OutputStream.class), stream)),
0,
Arrays.asList(context.resolve(IOException.class)),
f.newBlock(statements));
return decl;
}
private MethodDeclaration createGetter(
com.asakusafw.utils.java.model.syntax.Type type, String name, Expression value) {
assert type != null;
assert name != null;
assert value != null;
return f.newMethodDeclaration(
null,
new AttributeBuilder(f)
.annotation(context.resolve(Override.class))
.Public()
.toAttributes(),
type,
f.newSimpleName(name),
Collections.<FormalParameterDeclaration>emptyList(),
Arrays.asList(new ExpressionBuilder(f, value).toReturnStatement()));
}
private List<Statement> createConstructorBody() {
List<Statement> results = new ArrayList<Statement>();
results.add(
f.newIfStatement(
new ExpressionBuilder(f, createParserFieldName())
.apply(InfixOperator.EQUALS, Models.toNullLiteral(f))
.toExpression(),
f.newBlock(
new TypeBuilder(f, context.resolve(IllegalArgumentException.class))
.newObject(Models.toLiteral(f, createParserFieldName().getToken()))
.toThrowStatement())));
results.add(
new ExpressionBuilder(f, f.newThis(null))
.field(createParserFieldName())
.assignFrom(createParserFieldName())
.toStatement());
return results;
}
private long computeModelVersion(
EmitContext context, ModelDeclaration model, CacheSupportTrait trait) {
assert context != null;
assert model != null;
assert trait != null;
long hash = 1;
final long prime = 31;
hash = hash * prime + context.getQualifiedTypeName().toNameString().hashCode();
hash = hash * prime + trait.getSid().getName().identifier.hashCode();
hash = hash * prime + trait.getTimestamp().getName().identifier.hashCode();
for (PropertyDeclaration property : model.getDeclaredProperties()) {
hash = hash * prime + property.getName().identifier.hashCode();
com.asakusafw.dmdl.semantics.Type type = property.getType();
assert type instanceof BasicType;
hash = hash * prime + ((BasicType) type).getKind().name().hashCode();
}
return hash;
}
private Name generateSupport(EmitContext context, ModelDeclaration model) throws IOException {
assert context != null;
assert model != null;
EmitContext next =
new EmitContext(
context.getSemantics(),
context.getConfiguration(),
model,
CATEGORY_STREAM,
"{0}CsvSupport");
LOG.debug("Generating CSV support for {}", context.getQualifiedTypeName().toNameString());
SupportGenerator.emit(next, model, model.getTrait(CsvSupportTrait.class).getConfiguration());
LOG.debug(
"Generated CSV support for {}: {}",
context.getQualifiedTypeName().toNameString(),
next.getQualifiedTypeName().toNameString());
return next.getQualifiedTypeName();
}
private Name generateExporter(EmitContext context, ModelDeclaration model, Name supportName)
throws IOException {
assert context != null;
assert model != null;
assert supportName != null;
EmitContext next =
new EmitContext(
context.getSemantics(),
context.getConfiguration(),
model,
CATEGORY_STREAM,
"Abstract{0}CsvExporterDescription");
LOG.debug(
"Generating CSV exporter description for {}",
context.getQualifiedTypeName().toNameString());
DescriptionGenerator.emitExporter(next, model, supportName);
LOG.debug(
"Generated CSV exporter description for {}: {}",
context.getQualifiedTypeName().toNameString(),
next.getQualifiedTypeName().toNameString());
return next.getQualifiedTypeName();
}
