GenericGroupObject/src/main/java/com/zipcodewilmington/generic/group/GroupInterface.java

package com.zipcodewilmington.generic.group;

import com.zipcodewilmington.generic.identifiables.IdentifiableInterface;

import java.io.Serializable;
import java.util.List;
import java.util.function.Predicate;

/**
 * @author leon on 05/12/2018.
 * @ATTENTION_TO_STUDENTS - You are forbidden from modifying this interface
 */
public interface GroupInterface<
        TypeOfId extends Serializable,
        TypeOfEntity extends IdentifiableInterface<TypeOfId>> {

    Integer count();

    void insert(TypeOfEntity object);

    void delete(TypeOfEntity object);

    void delete(TypeOfId id);

    Boolean has(TypeOfEntity object);

    Boolean has(TypeOfId id);

    List<TypeOfEntity> filter(Predicate<TypeOfEntity> predicate);

    Class<? extends TypeOfId> getIdentityType();

    Class<? extends TypeOfEntity> getIdentifiableType();
}