Doctrine Join Table Filter

gistfile1.php

/**
 * @Entity
 */
class User {
	// ...
}

/**
 * @Entity
 */
class UserNetwork {

	/**
	 * @Column(type="boolean")
	 */
	protected $isAdmin;

	// ...
}

/**
 * @Entity
 */
class Network {

	/**
	 * @ManyToMany(targetEntity="User")
	 * @JoinTable(
	 *    name="network_user",
	 *    joinColumns={
	 *      @JoinColumn(name="network_id", referencedColumnName="id")
	 *    },
	 *    inverseJoinColumns={
	 *       @JoinColumn(name="user_id", referencedColumnName="id")
	 *    }
	 *  )
	 */
	protected $users;

	/**
	 * @ManyToMany(targetEntity="User")
	 * @JoinTable(
	 *    name="network_user",
	 *    joinColumns={
	 *      @JoinColumn(name="network_id", referencedColumnName="id", filter="isAdmin=true")
	 *    },
	 *    inverseJoinColumns={
	 *       @JoinColumn(name="user_id", referencedColumnName="id")
	 *    }
	 *  )
	 */
	protected $admins;

	// ...
}