UserRoleMappingEntity.java

package org.keycloak.models.jpa.entities;

import javax.persistence.Entity;
import javax.persistence.FetchType;
import javax.persistence.Id;
import javax.persistence.IdClass;
import javax.persistence.JoinColumn;
import javax.persistence.ManyToOne;
import javax.persistence.NamedQueries;
import javax.persistence.NamedQuery;
import java.io.Serializable;

/**
 * @author <a href="mailto:bill@burkecentral.com">Bill Burke</a>
 * @version $Revision: 1 $
 */
@NamedQueries({
        @NamedQuery(name="userHasRole", query="select m from UserRoleMappingEntity m where m.user = :user and m.role = :role"),
        @NamedQuery(name="userRoleMappings", query="select m from UserRoleMappingEntity m where m.user = :user"),
        @NamedQuery(name="userRoleMappingIds", query="select m.role.id from UserRoleMappingEntity m where m.user = :user"),
        @NamedQuery(name="deleteUserRoleMappingsByRealm", query="delete from  UserRoleMappingEntity mapping where mapping.user IN (select u from UserEntity u where realm=:realm)")

})
@Entity
@IdClass(UserRoleMappingEntity.Key.class)
public class UserRoleMappingEntity  {

    @Id
    @ManyToOne(fetch= FetchType.LAZY)
    @JoinColumn(name="userId")
    protected UserEntity user;

    @Id
    @ManyToOne(fetch= FetchType.LAZY)
    @JoinColumn(name="roleId")
    protected RoleEntity role;

    public UserEntity getUser() {
        return user;
    }

    public void setUser(UserEntity user) {
        this.user = user;
    }

    public RoleEntity getRole() {
        return role;
    }

    public void setRole(RoleEntity role) {
        this.role = role;
    }

    public static class Key implements Serializable {

        protected UserEntity user;

        protected RoleEntity role;

        public Key() {
        }

        public Key(UserEntity user, RoleEntity role) {
            this.user = user;
            this.role = role;
        }

        public UserEntity getUser() {
            return user;
        }

        public RoleEntity getRole() {
            return role;
        }

        @Override
        public boolean equals(Object o) {
            if (this == o) return true;
            if (o == null || getClass() != o.getClass()) return false;

            Key key = (Key) o;

            if (role != null ? !role.getId().equals(key.role != null ? key.role.getId() : null) : key.role != null) return false;
            if (user != null ? !user.getId().equals(key.user != null ? key.user.getId() : null) : key.user != null) return false;

            return true;
        }

        @Override
        public int hashCode() {
            int result = user != null ? user.getId().hashCode() : 0;
            result = 31 * result + (role != null ? role.getId().hashCode() : 0);
            return result;
        }
    }

}