apt-maven-plugin不为具有@Entity表示法的实体生成QClass

问题描述 投票:0回答:1

希望你一切都好。

这就是问题,我正在尝试将dslQuery与spring-boot一起使用以获得开箱即用的高级搜索,但maven插件不会为实体生成TClass。

pom.hml

<project ...>
    ...

    <properties>
        <!-- General -->
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
        <maven.compiler.source>11</maven.compiler.source>
        <maven.compiler.target>11</maven.compiler.target>

        <!-- Plugins -->
        <com.mysema.maven.apt-maven-plugin.version>1.1.3</com.mysema.maven.apt-maven-plugin.version>

        <!-- Dependencies -->
        <com.querydsl.version>4.2.1</com.querydsl.version>

        <org.springframework.boot.version>2.1.4.RELEASE</org.springframework.boot.version>

        <org.hibernate.javax.persistence.version>1.0.1.Final</org.hibernate.javax.persistence.version>
        <org.hibernate.hibernate-core.version>5.4.1.Final</org.hibernate.hibernate-core.version>

        <org.junit.platform.junit-platform-surefire-provider.version>1.0.1
        </org.junit.platform.junit-platform-surefire-provider.version>
    </properties>

    <build>
        ...

        <pluginManagement><!-- lock down plugins versions to avoid using Maven defaults (may be moved to parent pom) -->
            <plugins>
                <plugin>
                    <groupId>org.apache.maven.plugins</groupId>
                    <artifactId>maven-compiler-plugin</artifactId>
                    <version>${org.apache.maven.plugins.maven-compiler-plugin.version}</version>
                    <configuration>
                        <source>${maven.compiler.source}</source>
                        <target>${maven.compiler.target}</target>
                    </configuration>
                </plugin>
                <plugin>
                    <groupId>com.mysema.maven</groupId>
                    <artifactId>apt-maven-plugin</artifactId>
                    <version>${com.mysema.maven.apt-maven-plugin.version}</version>
                    <executions>
                        <execution>
                            <goals>
                                <goal>process</goal>
                            </goals>
                            <configuration>
                                <outputDirectory>target/generated-sources</outputDirectory>
                                <processor>com.querydsl.apt.jpa.JPAAnnotationProcessor</processor>
                            </configuration>
                        </execution>
                    </executions>
                </plugin>
                <plugin>
                    <groupId>org.springframework.boot</groupId>
                    <artifactId>spring-boot-maven-plugin</artifactId>
                    <version>${org.springframework.boot.version}</version>
                </plugin>
            </plugins>
        </pluginManagement>
    </build>

    <dependencies>
        ...

        <dependency>
            <groupId>com.querydsl</groupId>
            <artifactId>querydsl-apt</artifactId>
            <version>${com.querydsl.version}</version>
            <scope>provided</scope>
        </dependency>

        <!-- Spring -->
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter</artifactId>
            <version>${org.springframework.boot.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-data-jpa</artifactId>
            <version>${org.springframework.boot.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
            <version>${org.springframework.boot.version}</version>
            <scope>compile</scope>
        </dependency>

        <!-- Persistence -->
        <dependency>
            <groupId>org.hibernate.javax.persistence</groupId>
            <artifactId>hibernate-jpa-2.0-api</artifactId>
            <version>${org.hibernate.javax.persistence.version}</version>
        </dependency>
        <dependency>
            <groupId>org.hibernate</groupId>
            <artifactId>hibernate-core</artifactId>
            <version>${org.hibernate.hibernate-core.version}</version>
        </dependency>
    </dependencies>
</project>

示例实体:

package com.expenses.core.expense.entities;

import com.expenses.core.common.entities.AbstractEntity;
import com.expenses.core.utils.Copyable;

import javax.annotation.Nonnull;
import javax.persistence.*;
import java.util.Objects;

@Entity(name = "Account")
@Table(name = "account")
@SequenceGenerator(name = "account_generator", sequenceName = "account_id_seq", allocationSize = 1)
public class Account extends AbstractEntity<Account> implements Copyable<Account> {

    @Id
    @GeneratedValue(strategy = GenerationType.SEQUENCE, generator = "account_generator")
    @Column(name = "id")
    private Long id;

    private final String cbu;

    private final String alias;

    private final String bank;

    private final String description;

}

我知道论坛上有一些这样的帖子,谷歌,但在尝试了这些帖子后,问题仍然存在。

有关如何解决此问题的任何想法?

PS:AccountRepository确实从JpaRepository<Account, Long>QuerydslPredicateExecutor<Account>扩展。

java spring-boot jpa querydsl
1个回答
0
投票

我仍然不知道插件配置有什么问题,但是我遇到了这个,并且它完成了这个技巧(从pom中删除插件后)。希望它可以帮助某人

<dependency>
    <groupId>com.querydsl</groupId>
    <artifactId>querydsl-apt</artifactId>
    <version>${com.querydsl.version}</version>
    <classifier>jpa</classifier>
</dependency>

PS:我很想知道为什么我的旧配置不起作用。

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