// Copyright 2012,2013 Vaughn Vernon
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package com.saasovation.agilepm.port.adapter.persistence;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Iterator;
import java.util.List;
import java.util.UUID;
import com.saasovation.agilepm.domain.model.product.ProductId;
import com.saasovation.agilepm.domain.model.product.backlogitem.BacklogItem;
import com.saasovation.agilepm.domain.model.product.backlogitem.BacklogItemId;
import com.saasovation.agilepm.domain.model.product.backlogitem.BacklogItemRepository;
import com.saasovation.agilepm.domain.model.product.release.ReleaseId;
import com.saasovation.agilepm.domain.model.product.sprint.SprintId;
import com.saasovation.agilepm.domain.model.tenant.TenantId;
import com.saasovation.common.port.adapter.persistence.leveldb.AbstractLevelDBRepository;
import com.saasovation.common.port.adapter.persistence.leveldb.LevelDBKey;
import com.saasovation.common.port.adapter.persistence.leveldb.LevelDBUnitOfWork;
public class LevelDBBacklogItemRepository
extends AbstractLevelDBRepository
implements BacklogItemRepository {
private static final String PRIMARY = "BLI#PK";
private static final String PRODUCT_BACKLOG_ITEMS = "BLI#PROD";
private static final String RELEASE_BACKLOG_ITEMS = "BLI#RELEASE";
private static final String SPRINT_BACKLOG_ITEMS = "BLI#SPRINT";
// private static final String BACKLOG_ITEM_OF_DISCUSSION = "BLI#D";
public LevelDBBacklogItemRepository() {
super(LevelDBDatabasePath.agilePMPath());
}
@Override
public Collection<BacklogItem> allBacklogItemsComittedTo(TenantId aTenantId, SprintId aSprintId) {
List<BacklogItem> backlogItems = new ArrayList<BacklogItem>();
LevelDBKey sprintBacklogItems = new LevelDBKey(SPRINT_BACKLOG_ITEMS, aTenantId.id(), aSprintId.id());
LevelDBUnitOfWork uow = LevelDBUnitOfWork.readOnly(this.database());
List<Object> keys = uow.readKeys(sprintBacklogItems);
for (Object backlogItemId : keys) {
BacklogItem backlogItem = uow.readObject(backlogItemId.toString().getBytes(), BacklogItem.class);
if (backlogItem != null) {
backlogItems.add(backlogItem);
}
}
return backlogItems;
}
@Override
public Collection<BacklogItem> allBacklogItemsScheduledFor(TenantId aTenantId, ReleaseId aReleaseId) {
List<BacklogItem> backlogItems = new ArrayList<BacklogItem>();
LevelDBKey releaseBacklogItems = new LevelDBKey(RELEASE_BACKLOG_ITEMS, aTenantId.id(), aReleaseId.id());
LevelDBUnitOfWork uow = LevelDBUnitOfWork.readOnly(this.database());
List<Object> keys = uow.readKeys(releaseBacklogItems);
for (Object backlogItemId : keys) {
BacklogItem backlogItem = uow.readObject(backlogItemId.toString().getBytes(), BacklogItem.class);
if (backlogItem != null) {
backlogItems.add(backlogItem);
}
}
return backlogItems;
}
@Override
public Collection<BacklogItem> allOutstandingProductBacklogItems(TenantId aTenantId, ProductId aProductId) {
List<BacklogItem> productBacklogItems = this.listProductBacklogItems(aTenantId, aProductId);
Iterator<BacklogItem> iterator = productBacklogItems.listIterator();
if (iterator.hasNext()) {
BacklogItem backlogItem = iterator.next();
if (backlogItem.isDone() || backlogItem.isRemoved()) {
iterator.remove();
}
}
return productBacklogItems;
}
@Override
public Collection<BacklogItem> allProductBacklogItems(TenantId aTenantId, ProductId aProductId) {
return this.listProductBacklogItems(aTenantId, aProductId);
}
@Override
public BacklogItem backlogItemOfId(TenantId aTenantId, BacklogItemId aBacklogItemId) {
LevelDBKey primaryKey = new LevelDBKey(PRIMARY, aTenantId.id(), aBacklogItemId.id());
BacklogItem backlogItem =
LevelDBUnitOfWork.readOnly(this.database())
.readObject(primaryKey.key().getBytes(), BacklogItem.class);
return backlogItem;
}
@Override
public BacklogItemId nextIdentity() {
return new BacklogItemId(UUID.randomUUID().toString().toUpperCase());
}
@Override
public void remove(BacklogItem aBacklogItem) {
LevelDBKey lockKey = new LevelDBKey(PRIMARY, aBacklogItem.tenantId().id());
LevelDBUnitOfWork uow = LevelDBUnitOfWork.current();
uow.lock(lockKey.key());
this.remove(aBacklogItem, uow);
}
@Override
public void removeAll(Collection<BacklogItem> aBacklogItemCollection) {
boolean locked = false;
LevelDBUnitOfWork uow = LevelDBUnitOfWork.current();
for (BacklogItem backlogItem : aBacklogItemCollection) {
if (!locked) {
LevelDBKey lockKey = new LevelDBKey(PRIMARY, backlogItem.tenantId().id());
uow.lock(lockKey.key());
locked = true;
}
this.remove(backlogItem, uow);
}
}
@Override
public void save(BacklogItem aBacklogItem) {
LevelDBKey lockKey = new LevelDBKey(PRIMARY, aBacklogItem.tenantId().id());
LevelDBUnitOfWork uow = LevelDBUnitOfWork.current();
uow.lock(lockKey.key());
this.save(aBacklogItem, uow);
}
@Override
public void saveAll(Collection<BacklogItem> aBacklogItemCollection) {
boolean locked = false;
LevelDBUnitOfWork uow = LevelDBUnitOfWork.current();
for (BacklogItem backlogItem : aBacklogItemCollection) {
if (!locked) {
LevelDBKey lockKey = new LevelDBKey(PRIMARY, backlogItem.tenantId().id());
uow.lock(lockKey.key());
locked = true;
}
this.save(backlogItem, uow);
}
}
private List<BacklogItem> listProductBacklogItems(TenantId aTenantId, ProductId aProductId) {
List<BacklogItem> backlogItems = new ArrayList<BacklogItem>();
LevelDBKey productBacklogItems = new LevelDBKey(PRODUCT_BACKLOG_ITEMS, aTenantId.id(), aProductId.id());
LevelDBUnitOfWork uow = LevelDBUnitOfWork.readOnly(this.database());
List<Object> keys = uow.readKeys(productBacklogItems);
for (Object backlogItemId : keys) {
BacklogItem backlogItem = uow.readObject(backlogItemId.toString().getBytes(), BacklogItem.class);
if (backlogItem != null) {
backlogItems.add(backlogItem);
}
}
return backlogItems;
}
private void remove(BacklogItem aBacklogItem, LevelDBUnitOfWork aUoW) {
LevelDBKey primaryKey = new LevelDBKey(PRIMARY, aBacklogItem.tenantId().id(), aBacklogItem.backlogItemId().id());
aUoW.remove(primaryKey);
LevelDBKey productBacklogItems = new LevelDBKey(primaryKey, PRODUCT_BACKLOG_ITEMS, aBacklogItem.tenantId().id(), aBacklogItem.productId().id());
aUoW.removeKeyReference(productBacklogItems);
// if (aBacklogItem.discussionInitiationId() != null) {
// LevelDBKey backlogItemsOfDiscussion = new LevelDBKey(primaryKey, BACKLOG_ITEM_OF_DISCUSSION, aBacklogItem.tenantId().id(), aBacklogItem.discussionInitiationId());
// aUoW.removeKeyReference(backlogItemsOfDiscussion);
// }
}
private void save(BacklogItem aBacklogItem, LevelDBUnitOfWork aUoW) {
LevelDBKey primaryKey = new LevelDBKey(PRIMARY, aBacklogItem.tenantId().id(), aBacklogItem.backlogItemId().id());
aUoW.write(primaryKey, aBacklogItem);
LevelDBKey productBacklogItems = new LevelDBKey(primaryKey, PRODUCT_BACKLOG_ITEMS, aBacklogItem.tenantId().id(), aBacklogItem.productId().id());
aUoW.updateKeyReference(productBacklogItems);
if (aBacklogItem.isScheduledForRelease()) {
LevelDBKey releaseBacklogItems = new LevelDBKey(primaryKey, RELEASE_BACKLOG_ITEMS, aBacklogItem.tenantId().id(), aBacklogItem.releaseId().id());
aUoW.updateKeyReference(releaseBacklogItems);
}
if (aBacklogItem.isCommittedToSprint()) {
LevelDBKey sprintBacklogItems = new LevelDBKey(primaryKey, SPRINT_BACKLOG_ITEMS, aBacklogItem.tenantId().id(), aBacklogItem.sprintId().id());
aUoW.updateKeyReference(sprintBacklogItems);
}
// RELEASE_BACKLOG_ITEMS
// if (aBacklogItem.discussionInitiationId() != null) {
// LevelDBKey backlogItemsOfDiscussion = new LevelDBKey(primaryKey, BACKLOG_ITEM_OF_DISCUSSION, aBacklogItem.tenantId().id(), aBacklogItem.discussionInitiationId());
// aUoW.updateKeyReference(backlogItemsOfDiscussion);
// }
}
}