ProjectRepository.java

package io.katharsis.resource.mock.repository;

import io.katharsis.queryParams.QueryParams;
import io.katharsis.repository.ResourceRepository;
import io.katharsis.resource.exception.ResourceNotFoundException;
import io.katharsis.resource.mock.models.Project;

import java.util.LinkedList;
import java.util.List;
import java.util.concurrent.ConcurrentHashMap;

public class ProjectRepository implements ResourceRepository<Project, Long> {

    private static final ConcurrentHashMap<Long, Project> THREAD_LOCAL_REPOSITORY = new ConcurrentHashMap<>();

    @Override
    public <S extends Project> S save(S entity) {
        entity.setId((long) (THREAD_LOCAL_REPOSITORY.size() + 1));
        THREAD_LOCAL_REPOSITORY.put(entity.getId(), entity);

        return entity;
    }

    @Override
    public Project findOne(Long aLong, QueryParams queryParams) {
        Project project = THREAD_LOCAL_REPOSITORY.get(aLong);
        if (project == null) {
            throw new ResourceNotFoundException(Project.class.getCanonicalName());
        }
        return project;
    }

    @Override
    public Iterable<Project> findAll(QueryParams queryParamss) {
        return THREAD_LOCAL_REPOSITORY.values();
    }


    @Override
    public Iterable<Project> findAll(Iterable<Long> ids, QueryParams queryParams) {
        List<Project> values = new LinkedList<>();
        for (Project value : THREAD_LOCAL_REPOSITORY.values()) {
            if (contains(value, ids)) {
                values.add(value);
            }
        }
        return values;
    }

    private boolean contains(Project value, Iterable<Long> ids) {
        for (Long id : ids) {
            if (value.getId().equals(id)) {
                return true;
            }
        }

        return false;
    }

    @Override
    public void delete(Long aLong) {
        THREAD_LOCAL_REPOSITORY.remove(aLong);
    }
}