issue1599

Country.java

package org.mapstruct.ap.test.bugs;

public class Country {

}

CountryDto.java

package org.mapstruct.ap.test.bugs;

public class CountryDto {

}

CountryMapper.java

package org.mapstruct.ap.test.bugs;

import org.mapstruct.Mapper;
import org.mapstruct.Mapping;
import org.mapstruct.Mappings;
import org.mapstruct.Named;
import org.mapstruct.factory.Mappers;

@Mapper
public interface CountryMapper {

    CountryMapper INSTANCE = Mappers.getMapper(CountryMapper.class);

    @Named("toCountryDtoObject")
    public abstract CountryDto toCountryDto(Country entity);


    @Mappings({
        @Mapping(source = "pk.country", target = "country", qualifiedByName = "toCountryDtoObject")
    })
    public abstract ProvinceDto toProvinceDto(Province entity);
}

Issue1599Test.java

/*
 * Copyright MapStruct Authors.
 *
 * Licensed under the Apache License version 2.0, available at http://www.apache.org/licenses/LICENSE-2.0
 */
package org.mapstruct.ap.test.bugs;

import org.junit.Test;

import static org.assertj.core.api.Assertions.assertThat;

public class Issue1599Test {

    @Test
    public void shouldGenerateCorrectMapping() {

        Country country = new Country();
        Province province = new Province();
        Province.InnerPK innerPK = new Province.InnerPK();
        province.setPk( innerPK );
        innerPK.setCountry( country );

        ProvinceDto target = CountryMapper.INSTANCE.toProvinceDto( province );

        assertThat( target ).isNotNull();
        assertThat( target.getCountry() ).isNotNull();
    }
}

pom.xml

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>
    <groupId>com.mycompany</groupId>
    <artifactId>MapStruct1597</artifactId>
    <version>1.0-SNAPSHOT</version>

    <dependencies>

        <dependency>
            <groupId>org.mapstruct</groupId>
            <artifactId>mapstruct</artifactId>
            <version>1.2.0.Final</version>
        </dependency>

        <dependency>
            <groupId>org.mapstruct</groupId>
            <artifactId>mapstruct-processor</artifactId>
            <version>1.2.0.Final</version>
            <scope>provided</scope>
        </dependency>

        <dependency>
            <groupId>junit</groupId>
            <artifactId>junit</artifactId>
            <version>4.12</version>
            <scope>test</scope>
        </dependency>

        <dependency>
            <groupId>org.assertj</groupId>
            <artifactId>assertj-core</artifactId>
            <version>3.10.0</version>
            <scope>test</scope>
        </dependency>

    </dependencies>

    <build>
        <pluginManagement>
            <plugins>
                <plugin>
                    <groupId>org.apache.maven.plugins</groupId>
                    <artifactId>maven-compiler-plugin</artifactId>
                    <version>3.0</version>
                    <configuration>
                        <source>1.8</source>
                        <target>1.8</target>
                    </configuration>
                </plugin>
            </plugins>
        </pluginManagement>
    </build>

</project>

Province.java

package org.mapstruct.ap.test.bugs;

public class Province {

    private InnerPK pk;

    public InnerPK getPk() {
        return pk;
    }

    public void setPk(InnerPK pk) {
        this.pk = pk;
    }

    public static class InnerPK {
        private Country country;

        public Country getCountry() {
            return country;
        }

        public void setCountry(Country country) {
            this.country = country;
        }
    }
}

ProvinceDto.java

package org.mapstruct.ap.test.bugs;

public class ProvinceDto {

    private CountryDto country;

    public CountryDto getCountry() {
        return country;
    }

    public void setCountry(CountryDto country) {
        this.country = country;
    }
}