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Merge pull request #139 from domaframework/embeddable
`@Embeddable` をサポート
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‎src/main/java/org/seasar/doma/Embeddable.java‎

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/*
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* Copyright 2004-2010 the Seasar Foundation and the Others.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
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* either express or implied. See the License for the specific language
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* governing permissions and limitations under the License.
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*/
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package org.seasar.doma;
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import java.lang.annotation.ElementType;
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import java.lang.annotation.Retention;
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import java.lang.annotation.RetentionPolicy;
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import java.lang.annotation.Target;
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/**
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* エンベッダブルクラスを示します。エンベッダブルクラスはエンティティに組み込み可能で複数のプロパティをまとめる役割を担います。
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* <p>
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* エンベッダブルクラスにはすべてのプロパティをパラメータに含んだ非privateなコンストラクタが必要です。
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*
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* <pre>
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* &#064;Embeddable
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* public class Address {
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*
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* &#064;Column(name = &quot;CITY&quot;)
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* private final String city;
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*
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* &#064;Column(name = &quot;STREET&quot;)
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* private final String street;
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*
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* public Address(String city, String street) {
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* this.city = city;
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* this.street = street;
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* }
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* ...
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* }
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* </pre>
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*
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* <pre>
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* &#064;Entity
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* public class Employee {
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*
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* &#064;Id
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* &#064;Column(name = &quot;ID&quot;)
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* Integer id;
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*
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* Address address;
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*
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* &#064;Version
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* &#064;Column(name = &quot;VERSION&quot;)
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* int version;
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*
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* ...
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* }
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* </pre>
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*
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* <p>
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* 注釈されたインタフェースの実装はスレッドセーフであることを要求されません。
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* <p>
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*
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* @author nakamura-to
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* @since 2.10.0
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*/
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@Target(ElementType.TYPE)
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@Retention(RetentionPolicy.RUNTIME)
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public @interface Embeddable {
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}

‎src/main/java/org/seasar/doma/internal/apt/EmbeddableProcessor.java‎

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/*
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* Copyright 2004-2010 the Seasar Foundation and the Others.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
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* either express or implied. See the License for the specific language
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* governing permissions and limitations under the License.
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*/
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package org.seasar.doma.internal.apt;
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import static org.seasar.doma.internal.util.AssertionUtil.assertNotNull;
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import java.io.IOException;
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import javax.annotation.processing.SupportedAnnotationTypes;
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import javax.annotation.processing.SupportedOptions;
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import javax.lang.model.element.TypeElement;
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import org.seasar.doma.Embeddable;
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import org.seasar.doma.internal.apt.meta.EmbeddableMeta;
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import org.seasar.doma.internal.apt.meta.EmbeddableMetaFactory;
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import org.seasar.doma.internal.apt.meta.EmbeddablePropertyMetaFactory;
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/**
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* @author nakamura-to
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*
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*/
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@SupportedAnnotationTypes({ "org.seasar.doma.Embeddable" })
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@SupportedOptions({ Options.VERSION_VALIDATION, Options.TEST, Options.DEBUG })
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public class EmbeddableProcessor extends
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AbstractGeneratingProcessor<EmbeddableMeta> {
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public EmbeddableProcessor() {
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super(Embeddable.class);
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}
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@Override
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protected EmbeddableMetaFactory createTypeElementMetaFactory() {
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EmbeddablePropertyMetaFactory propertyMetaFactory = createEmbeddablePropertyMetaFactory();
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return new EmbeddableMetaFactory(processingEnv, propertyMetaFactory);
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}
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protected EmbeddablePropertyMetaFactory createEmbeddablePropertyMetaFactory() {
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return new EmbeddablePropertyMetaFactory(processingEnv);
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}
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@Override
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protected Generator createGenerator(TypeElement typeElement,
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EmbeddableMeta meta) throws IOException {
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assertNotNull(typeElement, meta);
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return new EmbeddableTypeGenerator(processingEnv, typeElement, meta);
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}
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}

‎src/main/java/org/seasar/doma/internal/apt/EmbeddableTypeGenerator.java‎

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/*
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* Copyright 2004-2010 the Seasar Foundation and the Others.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
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* either express or implied. See the License for the specific language
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* governing permissions and limitations under the License.
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*/
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package org.seasar.doma.internal.apt;
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import static org.seasar.doma.internal.util.AssertionUtil.assertNotNull;
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import java.io.IOException;
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import java.util.Arrays;
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import java.util.Iterator;
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import java.util.List;
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import java.util.Map;
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import javax.annotation.processing.ProcessingEnvironment;
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import javax.lang.model.element.TypeElement;
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import org.seasar.doma.internal.Constants;
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import org.seasar.doma.internal.apt.cttype.BasicCtType;
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import org.seasar.doma.internal.apt.cttype.CtType;
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import org.seasar.doma.internal.apt.cttype.DomainCtType;
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import org.seasar.doma.internal.apt.cttype.OptionalCtType;
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import org.seasar.doma.internal.apt.cttype.OptionalDoubleCtType;
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import org.seasar.doma.internal.apt.cttype.OptionalIntCtType;
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import org.seasar.doma.internal.apt.cttype.OptionalLongCtType;
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import org.seasar.doma.internal.apt.cttype.SimpleCtTypeVisitor;
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import org.seasar.doma.internal.apt.cttype.WrapperCtType;
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import org.seasar.doma.internal.apt.meta.EmbeddableMeta;
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import org.seasar.doma.internal.apt.meta.EmbeddablePropertyMeta;
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import org.seasar.doma.internal.apt.util.TypeMirrorUtil;
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import org.seasar.doma.jdbc.entity.DefaultPropertyType;
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import org.seasar.doma.jdbc.entity.EmbeddableType;
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import org.seasar.doma.jdbc.entity.EntityPropertyType;
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import org.seasar.doma.jdbc.entity.NamingType;
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import org.seasar.doma.jdbc.entity.Property;
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/**
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* @author nakamura-to
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*
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*/
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public class EmbeddableTypeGenerator extends AbstractGenerator {
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protected final EmbeddableMeta embeddableMeta;
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public EmbeddableTypeGenerator(ProcessingEnvironment env,
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TypeElement entityElement, EmbeddableMeta embeddableMeta)
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throws IOException {
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super(env, entityElement, null, null, Constants.METATYPE_PREFIX, "");
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assertNotNull(embeddableMeta);
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this.embeddableMeta = embeddableMeta;
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}
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@Override
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public void generate() {
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printPackage();
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printClass();
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}
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protected void printPackage() {
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if (!packageName.isEmpty()) {
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iprint("package %1$s;%n", packageName);
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iprint("%n");
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}
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}
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protected void printClass() {
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iprint("/** */%n");
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printGenerated();
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iprint("public final class %1$s implements %2$s<%3$s> {%n",
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/* 1 */simpleName,
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/* 2 */EmbeddableType.class.getName(),
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/* 3 */embeddableMeta.getEmbeddableElement().getQualifiedName());
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print("%n");
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indent();
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printValidateVersionStaticInitializer();
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printFields();
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printMethods();
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unindent();
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iprint("}%n");
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}
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protected void printFields() {
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printSingletonField();
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}
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protected void printSingletonField() {
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iprint("private static final %1$s __singleton = new %1$s();%n",
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simpleName);
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print("%n");
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}
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protected void printMethods() {
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printGetEmbeddablePropertyTypesMethod();
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printNewEmbeddableMethod();
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printGetSingletonInternalMethod();
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}
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protected void printGetEmbeddablePropertyTypesMethod() {
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iprint("@Override%n");
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iprint("public <ENTITY> %1$s<%2$s<ENTITY, ?>> getEmbeddablePropertyTypes(String embeddedPropertyName, Class<ENTITY> entityClass, %3$s namingType) {%n",
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List.class.getName(), EntityPropertyType.class.getName(),
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NamingType.class.getName());
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iprint(" return %1$s.asList(%n", Arrays.class.getName());
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for (Iterator<EmbeddablePropertyMeta> it = embeddableMeta
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.getEmbeddablePropertyMetas().iterator(); it.hasNext();) {
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EmbeddablePropertyMeta pm = it.next();
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EmbeddablePropertyCtTypeVisitor visitor = new EmbeddablePropertyCtTypeVisitor();
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pm.getCtType().accept(visitor, null);
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BasicCtType basicCtType = visitor.basicCtType;
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WrapperCtType wrapperCtType = visitor.wrapperCtType;
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DomainCtType domainCtType = visitor.domainCtType;
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String newWrapperExpr;
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if (basicCtType.isEnum()) {
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newWrapperExpr = String.format("new %s(%s.class)",
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wrapperCtType.getTypeName(),
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basicCtType.getBoxedTypeName());
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} else {
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newWrapperExpr = String.format("new %s()",
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wrapperCtType.getTypeName());
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}
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String parentEntityPropertyType = "null";
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String parentEntityBoxedTypeName = Object.class.getName();
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String domainType = "null";
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String domainTypeName = "Object";
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if (domainCtType != null) {
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domainType = domainCtType.getInstantiationCommand();
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domainTypeName = domainCtType.getTypeName();
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}
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iprint(" new %1$s<Object, ENTITY, %3$s, %16$s>(entityClass, %15$s.class, %3$s.class, () -> %9$s, null, %10$s, embeddedPropertyName + \".%4$s\", \"%5$s\", namingType, %6$s, %7$s, %17$s)",
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/* 1 */DefaultPropertyType.class.getName(),
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/* 2 */null,
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/* 3 */basicCtType.getBoxedTypeName(),
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/* 4 */pm.getName(),
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/* 5 */pm.getColumnName(),
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/* 6 */pm.isColumnInsertable(),
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/* 7 */pm.isColumnUpdatable(),
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/* 8 */null,
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/* 9 */newWrapperExpr,
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/* 10 */domainType,
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/* 11 */pm.getBoxedTypeName(),
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/* 12 */parentEntityPropertyType,
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/* 13 */parentEntityBoxedTypeName,
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/* 14 */null,
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/* 15 */pm.getBoxedClassName(),
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/* 16 */domainTypeName,
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/* 17 */pm.isColumnQuoteRequired());
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print(it.hasNext() ? "," : ");");
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print("%n");
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}
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iprint("}%n");
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print("%n");
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}
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protected void printNewEmbeddableMethod() {
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iprint("@Override%n");
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iprint("public <ENTITY> %1$s newEmbeddable(String embeddedPropertyName, %2$s<String, %3$s<ENTITY, ?>> __args) {%n",
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embeddableMeta.getEmbeddableElement().getQualifiedName(),
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Map.class.getName(), Property.class.getName());
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if (embeddableMeta.isAbstract()) {
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iprint(" return null;%n");
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} else {
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iprint(" return new %1$s(%n", embeddableMeta
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.getEmbeddableElement().getQualifiedName());
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for (Iterator<EmbeddablePropertyMeta> it = embeddableMeta
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.getEmbeddablePropertyMetas().iterator(); it.hasNext();) {
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EmbeddablePropertyMeta propertyMeta = it.next();
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iprint(" (%1$s)(__args.get(embeddedPropertyName + \".%2$s\") != null ? __args.get(embeddedPropertyName + \".%2$s\").get() : null)",
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TypeMirrorUtil.boxIfPrimitive(propertyMeta.getType(),
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env), propertyMeta.getName());
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if (it.hasNext()) {
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print(",%n");
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}
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}
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print(");%n");
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}
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iprint("}%n");
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print("%n");
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}
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protected void printGetSingletonInternalMethod() {
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iprint("/**%n");
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iprint(" * @return the singleton%n");
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iprint(" */%n");
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iprint("public static %1$s getSingletonInternal() {%n", simpleName);
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iprint(" return __singleton;%n");
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iprint("}%n");
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print("%n");
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}
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protected class EmbeddablePropertyCtTypeVisitor extends
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SimpleCtTypeVisitor<Void, Void, RuntimeException> {
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protected BasicCtType basicCtType;
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protected WrapperCtType wrapperCtType;
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protected DomainCtType domainCtType;
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@Override
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protected Void defaultAction(CtType ctType, Void p)
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throws RuntimeException {
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assertNotNull(basicCtType);
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assertNotNull(wrapperCtType);
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return null;
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}
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@Override
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public Void visitOptionalCtType(OptionalCtType ctType, Void p)
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throws RuntimeException {
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return ctType.getElementCtType().accept(this, p);
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}
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@Override
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public Void visitOptionalIntCtType(OptionalIntCtType ctType, Void p)
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throws RuntimeException {
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return ctType.getElementCtType().accept(this, p);
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}
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@Override
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public Void visitOptionalLongCtType(OptionalLongCtType ctType, Void p)
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throws RuntimeException {
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return ctType.getElementCtType().accept(this, p);
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}
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@Override
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public Void visitOptionalDoubleCtType(OptionalDoubleCtType ctType,
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Void p) throws RuntimeException {
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return ctType.getElementCtType().accept(this, p);
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}
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@Override
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public Void visitBasicCtType(BasicCtType basicCtType, Void p)
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throws RuntimeException {
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this.basicCtType = basicCtType;
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this.wrapperCtType = basicCtType.getWrapperCtType();
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return defaultAction(basicCtType, p);
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}
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@Override
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public Void visitDomainCtType(DomainCtType domainCtType, Void p)
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throws RuntimeException {
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this.domainCtType = domainCtType;
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return visitBasicCtType(domainCtType.getBasicCtType(), p);
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}
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}
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}

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