Commit 65f8a5e9 authored by Liang Ding's avatar Liang Ding

Fixed #34

升级 GAE SDK 到 1.7.0,Latke 中加入了对 OR 查询的支持。
parent bd44f5d3
/*
* Copyright (c) 2009, 2010, 2011, 2012, B3log Team
*
* 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 org.b3log.solo.repository.impl;
import org.b3log.latke.Keys;
import org.b3log.latke.repository.AbstractRepository;
import org.b3log.latke.repository.FilterOperator;
import org.b3log.latke.repository.Query;
import org.b3log.solo.model.Article;
import org.b3log.latke.repository.RepositoryException;
import org.b3log.latke.repository.SortDirection;
import org.b3log.solo.model.ArchiveDate;
import org.b3log.solo.repository.ArchiveDateArticleRepository;
import org.json.JSONArray;
import org.json.JSONObject;
/**
* Archive date-Article relation repository.
*
* @author <a href="mailto:DL88250@gmail.com">Liang Ding</a>
* @version 1.0.0.6, Nov 9, 2011
* @since 0.3.1
*/
public final class ArchiveDateArticleRepositoryImpl extends AbstractRepository implements ArchiveDateArticleRepository {
/**
* Singleton.
*/
private static final ArchiveDateArticleRepositoryImpl SINGLETON =
new ArchiveDateArticleRepositoryImpl(ArchiveDate.ARCHIVE_DATE + "_" + Article.ARTICLE);
@Override
public JSONObject getByArchiveDateId(final String archiveDateId, final int currentPageNum, final int pageSize)
throws RepositoryException {
final Query query = new Query().addFilter(ArchiveDate.ARCHIVE_DATE + "_" + Keys.OBJECT_ID,
FilterOperator.EQUAL, archiveDateId).
addSort(Article.ARTICLE + "_" + Keys.OBJECT_ID,
SortDirection.DESCENDING).
setCurrentPageNum(currentPageNum).
setPageSize(pageSize).
setPageCount(1);
return get(query);
}
@Override
public JSONObject getByArticleId(final String articleId) throws RepositoryException {
final Query query = new Query();
query.addFilter(Article.ARTICLE + "_" + Keys.OBJECT_ID, FilterOperator.EQUAL, articleId);
final JSONObject result = get(query);
final JSONArray array = result.optJSONArray(Keys.RESULTS);
if (0 == array.length()) {
return null;
}
return array.optJSONObject(0);
}
/**
* Gets the {@link ArchiveDateArticleRepositoryImpl} singleton.
*
* @return the singleton
*/
public static ArchiveDateArticleRepositoryImpl getInstance() {
return SINGLETON;
}
/**
* Private constructor.
*
* @param name the specified name
*/
private ArchiveDateArticleRepositoryImpl(final String name) {
super(name);
}
}
/*
* Copyright (c) 2009, 2010, 2011, 2012, B3log Team
*
* 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 org.b3log.solo.repository.impl;
import org.b3log.latke.Keys;
import org.b3log.latke.repository.AbstractRepository;
import org.b3log.latke.repository.FilterOperator;
import org.b3log.latke.repository.Query;
import org.b3log.solo.model.Article;
import org.b3log.latke.repository.RepositoryException;
import org.b3log.latke.repository.SortDirection;
import org.b3log.solo.model.ArchiveDate;
import org.b3log.solo.repository.ArchiveDateArticleRepository;
import org.json.JSONArray;
import org.json.JSONObject;
/**
* Archive date-Article relation repository.
*
* @author <a href="mailto:DL88250@gmail.com">Liang Ding</a>
* @version 1.0.0.6, Nov 9, 2011
* @since 0.3.1
*/
public final class ArchiveDateArticleRepositoryImpl extends AbstractRepository implements ArchiveDateArticleRepository {
/**
* Singleton.
*/
private static final ArchiveDateArticleRepositoryImpl SINGLETON =
new ArchiveDateArticleRepositoryImpl(ArchiveDate.ARCHIVE_DATE + "_" + Article.ARTICLE);
@Override
public JSONObject getByArchiveDateId(final String archiveDateId, final int currentPageNum, final int pageSize)
throws RepositoryException {
final Query query = new Query().addFilter(ArchiveDate.ARCHIVE_DATE + "_" + Keys.OBJECT_ID,
FilterOperator.EQUAL, archiveDateId).
addSort(Article.ARTICLE + "_" + Keys.OBJECT_ID,
SortDirection.DESCENDING).
setCurrentPageNum(currentPageNum).
setPageSize(pageSize).
setPageCount(1);
return get(query);
}
@Override
public JSONObject getByArticleId(final String articleId) throws RepositoryException {
final Query query = new Query();
query.addFilter(Article.ARTICLE + "_" + Keys.OBJECT_ID, FilterOperator.EQUAL, articleId);
final JSONObject result = get(query);
final JSONArray array = result.optJSONArray(Keys.RESULTS);
if (0 == array.length()) {
return null;
}
return array.optJSONObject(0);
}
/**
* Gets the {@link ArchiveDateArticleRepositoryImpl} singleton.
*
* @return the singleton
*/
public static ArchiveDateArticleRepositoryImpl getInstance() {
return SINGLETON;
}
/**
* Private constructor.
*
* @param name the specified name
*/
private ArchiveDateArticleRepositoryImpl(final String name) {
super(name);
}
}
/*
* Copyright (c) 2009, 2010, 2011, 2012, B3log Team
*
* 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 org.b3log.solo.repository.impl;
import java.text.ParseException;
import java.util.Iterator;
import java.util.List;
import java.util.logging.Level;
import java.util.logging.Logger;
import org.b3log.latke.Keys;
import org.b3log.latke.repository.AbstractRepository;
import org.b3log.latke.repository.FilterOperator;
import org.b3log.latke.repository.Query;
import org.b3log.latke.repository.RepositoryException;
import org.b3log.latke.repository.SortDirection;
import org.b3log.latke.util.CollectionUtils;
import org.b3log.solo.model.ArchiveDate;
import org.b3log.solo.repository.ArchiveDateRepository;
import org.json.JSONArray;
import org.json.JSONObject;
/**
* Archive date repository.
*
* @author <a href="mailto:DL88250@gmail.com">Liang Ding</a>
* @version 1.0.0.6, Dec 31, 2011
* @since 0.3.1
*/
public final class ArchiveDateRepositoryImpl extends AbstractRepository implements ArchiveDateRepository {
/**
* Logger.
*/
private static final Logger LOGGER = Logger.getLogger(ArchiveDateRepositoryImpl.class.getName());
/**
* Singleton.
*/
private static final ArchiveDateRepositoryImpl SINGLETON = new ArchiveDateRepositoryImpl(ArchiveDate.ARCHIVE_DATE);
@Override
public JSONObject getByArchiveDate(final String archiveDate) throws RepositoryException {
long time = 0L;
try {
time = ArchiveDate.DATE_FORMAT.parse(archiveDate).getTime();
} catch (final ParseException e) {
LOGGER.log(Level.SEVERE, "Can not parse archive date [" + archiveDate + "]", e);
throw new RepositoryException("Can not parse archive date [" + archiveDate + "]");
}
final Query query = new Query();
query.addFilter(ArchiveDate.ARCHIVE_TIME, FilterOperator.EQUAL, time).setPageCount(1);
final JSONObject result = get(query);
final JSONArray array = result.optJSONArray(Keys.RESULTS);
if (0 == array.length()) {
return null;
}
return array.optJSONObject(0);
}
@Override
public List<JSONObject> getArchiveDates() throws RepositoryException {
final org.b3log.latke.repository.Query query =
new Query().addSort(ArchiveDate.ARCHIVE_TIME, SortDirection.DESCENDING).setPageCount(1);
final JSONObject result = get(query);
final JSONArray archiveDates = result.optJSONArray(Keys.RESULTS);
final List<JSONObject> ret = CollectionUtils.jsonArrayToList(archiveDates);
removeForUnpublishedArticles(ret);
return ret;
}
/**
* Removes archive dates of unpublished articles from the specified archive
* dates.
*
* @param archiveDates the specified archive dates
* @throws RepositoryException repository exception
*/
private void removeForUnpublishedArticles(final List<JSONObject> archiveDates) throws RepositoryException {
final Iterator<JSONObject> iterator = archiveDates.iterator();
while (iterator.hasNext()) {
final JSONObject archiveDate = iterator.next();
if (0 == archiveDate.optInt(ArchiveDate.ARCHIVE_DATE_PUBLISHED_ARTICLE_COUNT)) {
iterator.remove();
}
}
}
/**
* Gets the {@link ArchiveDateRepositoryImpl} singleton.
*
* @return the singleton
*/
public static ArchiveDateRepositoryImpl getInstance() {
return SINGLETON;
}
/**
* Private constructor.
*
* @param name the specified name
*/
private ArchiveDateRepositoryImpl(final String name) {
super(name);
}
}
/*
* Copyright (c) 2009, 2010, 2011, 2012, B3log Team
*
* 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 org.b3log.solo.repository.impl;
import java.text.ParseException;
import java.util.Iterator;
import java.util.List;
import java.util.logging.Level;
import java.util.logging.Logger;
import org.b3log.latke.Keys;
import org.b3log.latke.repository.AbstractRepository;
import org.b3log.latke.repository.FilterOperator;
import org.b3log.latke.repository.Query;
import org.b3log.latke.repository.RepositoryException;
import org.b3log.latke.repository.SortDirection;
import org.b3log.latke.util.CollectionUtils;
import org.b3log.solo.model.ArchiveDate;
import org.b3log.solo.repository.ArchiveDateRepository;
import org.json.JSONArray;
import org.json.JSONObject;
/**
* Archive date repository.
*
* @author <a href="mailto:DL88250@gmail.com">Liang Ding</a>
* @version 1.0.0.6, Dec 31, 2011
* @since 0.3.1
*/
public final class ArchiveDateRepositoryImpl extends AbstractRepository implements ArchiveDateRepository {
/**
* Logger.
*/
private static final Logger LOGGER = Logger.getLogger(ArchiveDateRepositoryImpl.class.getName());
/**
* Singleton.
*/
private static final ArchiveDateRepositoryImpl SINGLETON = new ArchiveDateRepositoryImpl(ArchiveDate.ARCHIVE_DATE);
@Override
public JSONObject getByArchiveDate(final String archiveDate) throws RepositoryException {
long time = 0L;
try {
time = ArchiveDate.DATE_FORMAT.parse(archiveDate).getTime();
} catch (final ParseException e) {
LOGGER.log(Level.SEVERE, "Can not parse archive date [" + archiveDate + "]", e);
throw new RepositoryException("Can not parse archive date [" + archiveDate + "]");
}
final Query query = new Query();
query.addFilter(ArchiveDate.ARCHIVE_TIME, FilterOperator.EQUAL, time).setPageCount(1);
final JSONObject result = get(query);
final JSONArray array = result.optJSONArray(Keys.RESULTS);
if (0 == array.length()) {
return null;
}
return array.optJSONObject(0);
}
@Override
public List<JSONObject> getArchiveDates() throws RepositoryException {
final org.b3log.latke.repository.Query query =
new Query().addSort(ArchiveDate.ARCHIVE_TIME, SortDirection.DESCENDING).setPageCount(1);
final JSONObject result = get(query);
final JSONArray archiveDates = result.optJSONArray(Keys.RESULTS);
final List<JSONObject> ret = CollectionUtils.jsonArrayToList(archiveDates);
removeForUnpublishedArticles(ret);
return ret;
}
/**
* Removes archive dates of unpublished articles from the specified archive
* dates.
*
* @param archiveDates the specified archive dates
* @throws RepositoryException repository exception
*/
private void removeForUnpublishedArticles(final List<JSONObject> archiveDates) throws RepositoryException {
final Iterator<JSONObject> iterator = archiveDates.iterator();
while (iterator.hasNext()) {
final JSONObject archiveDate = iterator.next();
if (0 == archiveDate.optInt(ArchiveDate.ARCHIVE_DATE_PUBLISHED_ARTICLE_COUNT)) {
iterator.remove();
}
}
}
/**
* Gets the {@link ArchiveDateRepositoryImpl} singleton.
*
* @return the singleton
*/
public static ArchiveDateRepositoryImpl getInstance() {
return SINGLETON;
}
/**
* Private constructor.
*
* @param name the specified name
*/
private ArchiveDateRepositoryImpl(final String name) {
super(name);
}
}
/*
* Copyright (c) 2009, 2010, 2011, 2012, B3log Team
*
* 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 org.b3log.solo.repository.impl;
import java.util.logging.Logger;
import org.b3log.latke.Keys;
import org.b3log.latke.repository.AbstractRepository;
import org.b3log.latke.repository.FilterOperator;
import org.b3log.latke.repository.Query;
import org.b3log.latke.repository.RepositoryException;
import org.b3log.latke.repository.SortDirection;
import org.b3log.solo.model.Link;
import org.b3log.solo.repository.LinkRepository;
import org.json.JSONArray;
import org.json.JSONObject;
/**
* Link repository.
*
* @author <a href="mailto:DL88250@gmail.com">Liang Ding</a>
* @version 1.0.0.5, Nov 10, 2011
* @since 0.3.1
*/
public final class LinkRepositoryImpl extends AbstractRepository implements LinkRepository {
/**
* Logger.
*/
private static final Logger LOGGER = Logger.getLogger(LinkRepositoryImpl.class.getName());
/**
* Singleton.
*/
private static final LinkRepositoryImpl SINGLETON = new LinkRepositoryImpl(Link.LINK);
@Override
public JSONObject getByAddress(final String address) throws RepositoryException {
final Query query = new Query().addFilter(Link.LINK_ADDRESS, FilterOperator.EQUAL, address).
setPageCount(1);
final JSONObject result = get(query);
final JSONArray array = result.optJSONArray(Keys.RESULTS);
if (0 == array.length()) {
return null;
}
return array.optJSONObject(0);
}
@Override
public int getMaxOrder() throws RepositoryException {
final Query query = new Query();
query.addSort(Link.LINK_ORDER, SortDirection.DESCENDING);
final JSONObject result = get(query);
final JSONArray array = result.optJSONArray(Keys.RESULTS);
if (0 == array.length()) {
return -1;
}
return array.optJSONObject(0).optInt(Link.LINK_ORDER);
}
@Override
public JSONObject getByOrder(final int order) throws RepositoryException {
final Query query = new Query();
query.addFilter(Link.LINK_ORDER, FilterOperator.EQUAL, order);
final JSONObject result = get(query);
final JSONArray array = result.optJSONArray(Keys.RESULTS);
if (0 == array.length()) {
return null;
}
return array.optJSONObject(0);
}
@Override
public JSONObject getUpper(final String id) throws RepositoryException {
final JSONObject link = get(id);
if (null == link) {
return null;
}
final Query query = new Query();
query.addFilter(Link.LINK_ORDER, FilterOperator.LESS_THAN, link.optInt(Link.LINK_ORDER)).
addSort(Link.LINK_ORDER, SortDirection.DESCENDING);
query.setCurrentPageNum(1);
query.setPageSize(1);
final JSONObject result = get(query);
final JSONArray array = result.optJSONArray(Keys.RESULTS);
if (1 != array.length()) {
return null;
}
return array.optJSONObject(0);
}
@Override
public JSONObject getUnder(final String id) throws RepositoryException {
final JSONObject link = get(id);
if (null == link) {
return null;
}
final Query query = new Query();
query.addFilter(Link.LINK_ORDER, FilterOperator.GREATER_THAN, link.optInt(Link.LINK_ORDER)).
addSort(Link.LINK_ORDER, SortDirection.ASCENDING);
query.setCurrentPageNum(1);
query.setPageSize(1);
final JSONObject result = get(query);
final JSONArray array = result.optJSONArray(Keys.RESULTS);
if (1 != array.length()) {
return null;
}
return array.optJSONObject(0);
}
/**
* Gets the {@link LinkRepositoryImpl} singleton.
*
* @return the singleton
*/
public static LinkRepositoryImpl getInstance() {
return SINGLETON;
}
/**
* Private constructor.
*
* @param name the specified name
*/
private LinkRepositoryImpl(final String name) {
super(name);
}
}
/*
* Copyright (c) 2009, 2010, 2011, 2012, B3log Team
*
* 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 org.b3log.solo.repository.impl;
import java.util.logging.Logger;
import org.b3log.latke.Keys;
import org.b3log.latke.repository.AbstractRepository;
import org.b3log.latke.repository.FilterOperator;
import org.b3log.latke.repository.Query;
import org.b3log.latke.repository.RepositoryException;
import org.b3log.latke.repository.SortDirection;
import org.b3log.solo.model.Link;
import org.b3log.solo.repository.LinkRepository;
import org.json.JSONArray;
import org.json.JSONObject;
/**
* Link repository.
*
* @author <a href="mailto:DL88250@gmail.com">Liang Ding</a>
* @version 1.0.0.5, Nov 10, 2011
* @since 0.3.1
*/
public final class LinkRepositoryImpl extends AbstractRepository implements LinkRepository {
/**
* Logger.
*/
private static final Logger LOGGER = Logger.getLogger(LinkRepositoryImpl.class.getName());
/**
* Singleton.
*/
private static final LinkRepositoryImpl SINGLETON = new LinkRepositoryImpl(Link.LINK);
@Override
public JSONObject getByAddress(final String address) throws RepositoryException {
final Query query = new Query().addFilter(Link.LINK_ADDRESS, FilterOperator.EQUAL, address).
setPageCount(1);
final JSONObject result = get(query);
final JSONArray array = result.optJSONArray(Keys.RESULTS);
if (0 == array.length()) {
return null;
}
return array.optJSONObject(0);
}
@Override
public int getMaxOrder() throws RepositoryException {
final Query query = new Query();
query.addSort(Link.LINK_ORDER, SortDirection.DESCENDING);
final JSONObject result = get(query);
final JSONArray array = result.optJSONArray(Keys.RESULTS);
if (0 == array.length()) {
return -1;
}
return array.optJSONObject(0).optInt(Link.LINK_ORDER);
}
@Override
public JSONObject getByOrder(final int order) throws RepositoryException {
final Query query = new Query();
query.addFilter(Link.LINK_ORDER, FilterOperator.EQUAL, order);
final JSONObject result = get(query);
final JSONArray array = result.optJSONArray(Keys.RESULTS);
if (0 == array.length()) {
return null;
}
return array.optJSONObject(0);
}
@Override
public JSONObject getUpper(final String id) throws RepositoryException {
final JSONObject link = get(id);
if (null == link) {
return null;
}
final Query query = new Query();
query.addFilter(Link.LINK_ORDER, FilterOperator.LESS_THAN, link.optInt(Link.LINK_ORDER)).
addSort(Link.LINK_ORDER, SortDirection.DESCENDING);
query.setCurrentPageNum(1);
query.setPageSize(1);
final JSONObject result = get(query);
final JSONArray array = result.optJSONArray(Keys.RESULTS);
if (1 != array.length()) {
return null;
}
return array.optJSONObject(0);
}
@Override
public JSONObject getUnder(final String id) throws RepositoryException {
final JSONObject link = get(id);
if (null == link) {
return null;
}
final Query query = new Query();
query.addFilter(Link.LINK_ORDER, FilterOperator.GREATER_THAN, link.optInt(Link.LINK_ORDER)).
addSort(Link.LINK_ORDER, SortDirection.ASCENDING);
query.setCurrentPageNum(1);
query.setPageSize(1);
final JSONObject result = get(query);
final JSONArray array = result.optJSONArray(Keys.RESULTS);
if (1 != array.length()) {
return null;
}
return array.optJSONObject(0);
}
/**
* Gets the {@link LinkRepositoryImpl} singleton.
*
* @return the singleton
*/
public static LinkRepositoryImpl getInstance() {
return SINGLETON;
}
/**
* Private constructor.
*
* @param name the specified name
*/
private LinkRepositoryImpl(final String name) {
super(name);
}
}
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