aswi2020vldc-gitlab/src/main/java/vldc/aswi/domain/Assembly.java @ d411f143

package vldc.aswi.domain;

import lombok.Data;
import lombok.EqualsAndHashCode;
import lombok.NoArgsConstructor;
import vldc.aswi.domain.parameter.Parameter;

import javax.persistence.*;
import java.util.Collection;
import java.util.Collections;
import java.util.List;

/**
 * Domain entity representing Assembly in application.
 */
@Entity(name = "Sestava")
@Data
@EqualsAndHashCode(callSuper = true)
@NoArgsConstructor
public class Assembly extends EntityParent {

    /** Name of Assembly. */
    @Column(name = "nazev")
    private String name;

    /** SQL query which gets data from database. */
    @Column(name = "sql_dotaz")
    private String SQLQuery;

    /** Specific order of assembly in list of assemblies. */
    @Column(name = "poradi")
    private int assemblyOrder;

    @Column(name = "verejny")
    private int isPublic;

    /** List of configurations, which using this assembly. */
    @OneToMany(mappedBy = "assembly")
    private List<Configuration> configurations;

    /** List of parameters, which using this assembly. */
    @OneToMany(mappedBy = "assembly", fetch = FetchType.EAGER, orphanRemoval = true)
    private List<Parameter> parameters;

    /**
     * Creating new table with M:N relationship between Assembly and Role.
     * Every assembly can be used by 0 - every role.
     */
    @ManyToMany
    @JoinTable(
            name = "Sestava_ma_Role",
            joinColumns = @JoinColumn(name = "sestava_id"),
            inverseJoinColumns = @JoinColumn(name = "role_id")
    )
    private List<Role> roles;

    /**
     * Constructor.
     * @param name - Name of Assembly.
     * @param SQLQuery - SQL query which gets data from database.
     * @param assemblyOrder - Specific order of assembly in list of assemblies.
     */
    public Assembly(String name, String SQLQuery, int assemblyOrder, int isPublic) {
        this.setName(name);
        this.setSQLQuery(SQLQuery);
        this.setAssemblyOrder(assemblyOrder);
        this.setIsPublic(isPublic);
    }

    /**
     * Equal method for comparing two objects.
     * @param obj - Comparing object.
     * @return true if objects are same.
     */
    @Override
    public boolean equals(Object obj) {
        return super.equals(obj);
    }

    /**
     * Overriding toString method to prevent StackOverflowError.
     * @return Object with zero parameters.
     */
    @Override
    public String toString() {
        return "Assembly[]";
    }

    /**
     * Remove role from assembly in 'Sestava_ma_Role' table.
     * @param role - Role to be removed.
     */
    public void removeRole(Role role) {
        roles.remove(role);
        role.getAssemblies().remove(this);
    }

    /**
     * Sort parameter list by parameterOrder.
     */
    public void sortParameterList() {
        Collections.sort(parameters);
    }
}