Java tutorial
/** * Copyright (c) 2000-present Liferay, Inc. All rights reserved. * * This library is free software; you can redistribute it and/or modify it under * the terms of the GNU Lesser General Public License as published by the Free * Software Foundation; either version 2.1 of the License, or (at your option) * any later version. * * This library is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more * details. */ package com.liferay.blogs.service.persistence.impl; import com.liferay.blogs.model.BlogsEntry; import com.liferay.blogs.model.impl.BlogsEntryImpl; import com.liferay.blogs.service.persistence.BlogsEntryFinder; import com.liferay.petra.string.StringPool; import com.liferay.portal.dao.orm.custom.sql.CustomSQLUtil; import com.liferay.portal.kernel.dao.orm.QueryDefinition; import com.liferay.portal.kernel.dao.orm.QueryPos; import com.liferay.portal.kernel.dao.orm.QueryUtil; import com.liferay.portal.kernel.dao.orm.SQLQuery; import com.liferay.portal.kernel.dao.orm.Session; import com.liferay.portal.kernel.dao.orm.Type; import com.liferay.portal.kernel.exception.SystemException; import com.liferay.portal.kernel.util.CalendarUtil; import com.liferay.portal.kernel.util.PortalUtil; import com.liferay.portal.kernel.util.StringBundler; import com.liferay.portal.kernel.util.StringUtil; import com.liferay.portal.kernel.workflow.WorkflowConstants; import java.sql.Timestamp; import java.util.ArrayList; import java.util.Date; import java.util.Iterator; import java.util.List; /** * @author Brian Wing Shun Chan */ public class BlogsEntryFinderImpl extends BlogsEntryFinderBaseImpl implements BlogsEntryFinder { public static final String COUNT_BY_ORGANIZATION_IDS = BlogsEntryFinder.class.getName() + ".countByOrganizationIds"; public static final String FIND_BY_GROUP_IDS = BlogsEntryFinder.class.getName() + ".findByGroupIds"; public static final String FIND_BY_ORGANIZATION_IDS = BlogsEntryFinder.class.getName() + ".findByOrganizationIds"; public static final String FIND_BY_NO_ASSETS = BlogsEntryFinder.class.getName() + ".findByNoAssets"; @Override public int countByOrganizationId(long organizationId, Date displayDate, QueryDefinition<BlogsEntry> queryDefinition) { List<Long> organizationIds = new ArrayList<>(); organizationIds.add(organizationId); return countByOrganizationIds(organizationIds, displayDate, queryDefinition); } @Override public int countByOrganizationIds(List<Long> organizationIds, Date displayDate, QueryDefinition<BlogsEntry> queryDefinition) { Timestamp displayDate_TS = CalendarUtil.getTimestamp(displayDate); Session session = null; try { session = openSession(); String sql = CustomSQLUtil.get(getClass(), COUNT_BY_ORGANIZATION_IDS); if (queryDefinition.getStatus() != WorkflowConstants.STATUS_ANY) { if (queryDefinition.isExcludeStatus()) { sql = CustomSQLUtil.appendCriteria(sql, "AND (BlogsEntry.status != ?)"); } else { sql = CustomSQLUtil.appendCriteria(sql, "AND (BlogsEntry.status = ?)"); } } sql = StringUtil.replace(sql, "[$ORGANIZATION_ID$]", getOrganizationIds(organizationIds)); SQLQuery q = session.createSynchronizedSQLQuery(sql); q.addScalar(COUNT_COLUMN_NAME, Type.LONG); QueryPos qPos = QueryPos.getInstance(q); for (Long organizationId : organizationIds) { qPos.add(organizationId); } qPos.add(displayDate_TS); if (queryDefinition.getStatus() != WorkflowConstants.STATUS_ANY) { qPos.add(queryDefinition.getStatus()); } Iterator<Long> itr = q.iterate(); if (itr.hasNext()) { Long count = itr.next(); if (count != null) { return count.intValue(); } } return 0; } catch (Exception e) { throw new SystemException(e); } finally { closeSession(session); } } @Override public List<BlogsEntry> findByGroupIds(long companyId, long groupId, Date displayDate, QueryDefinition<BlogsEntry> queryDefinition) { Session session = null; try { session = openSession(); String sql = CustomSQLUtil.get(getClass(), FIND_BY_GROUP_IDS); if (queryDefinition.getStatus() != WorkflowConstants.STATUS_ANY) { if (queryDefinition.isExcludeStatus()) { sql = CustomSQLUtil.appendCriteria(sql, "AND (BlogsEntry.status != ?)"); } else { sql = CustomSQLUtil.appendCriteria(sql, "AND (BlogsEntry.status = ?)"); } } SQLQuery q = session.createSynchronizedSQLQuery(sql); q.addEntity("BlogsEntry", BlogsEntryImpl.class); QueryPos qPos = QueryPos.getInstance(q); qPos.add(companyId); qPos.add(groupId); qPos.add(groupId); qPos.add(groupId); qPos.add(displayDate); if (queryDefinition.getStatus() != WorkflowConstants.STATUS_ANY) { qPos.add(queryDefinition.getStatus()); } return (List<BlogsEntry>) QueryUtil.list(q, getDialect(), queryDefinition.getStart(), queryDefinition.getEnd()); } catch (Exception e) { throw new SystemException(e); } finally { closeSession(session); } } @Override public List<BlogsEntry> findByOrganizationId(long organizationId, Date displayDate, QueryDefinition<BlogsEntry> queryDefinition) { List<Long> organizationIds = new ArrayList<>(); organizationIds.add(organizationId); return findByOrganizationIds(organizationIds, displayDate, queryDefinition); } @Override public List<BlogsEntry> findByOrganizationIds(List<Long> organizationIds, Date displayDate, QueryDefinition<BlogsEntry> queryDefinition) { Timestamp displayDate_TS = CalendarUtil.getTimestamp(displayDate); Session session = null; try { session = openSession(); String sql = CustomSQLUtil.get(getClass(), FIND_BY_ORGANIZATION_IDS); if (queryDefinition.getStatus() != WorkflowConstants.STATUS_ANY) { if (queryDefinition.isExcludeStatus()) { sql = CustomSQLUtil.appendCriteria(sql, "AND (BlogsEntry.status != ?)"); } else { sql = CustomSQLUtil.appendCriteria(sql, "AND (BlogsEntry.status = ?)"); } } sql = StringUtil.replace(sql, "[$ORGANIZATION_ID$]", getOrganizationIds(organizationIds)); sql = CustomSQLUtil.replaceOrderBy(sql, queryDefinition.getOrderByComparator()); SQLQuery q = session.createSynchronizedSQLQuery(sql); q.addEntity("BlogsEntry", BlogsEntryImpl.class); QueryPos qPos = QueryPos.getInstance(q); for (Long organizationId : organizationIds) { qPos.add(organizationId); } qPos.add(displayDate_TS); if (queryDefinition.getStatus() != WorkflowConstants.STATUS_ANY) { qPos.add(queryDefinition.getStatus()); } return (List<BlogsEntry>) QueryUtil.list(q, getDialect(), queryDefinition.getStart(), queryDefinition.getEnd()); } catch (Exception e) { throw new SystemException(e); } finally { closeSession(session); } } @Override public List<BlogsEntry> findByNoAssets() { Session session = null; try { session = openSession(); String sql = CustomSQLUtil.get(getClass(), FIND_BY_NO_ASSETS); SQLQuery q = session.createSynchronizedSQLQuery(sql); q.addEntity("BlogsEntry", BlogsEntryImpl.class); QueryPos qPos = QueryPos.getInstance(q); qPos.add(PortalUtil.getClassNameId(BlogsEntry.class)); return q.list(true); } catch (Exception e) { throw new SystemException(e); } finally { closeSession(session); } } protected String getOrganizationIds(List<Long> organizationIds) { if (organizationIds.isEmpty()) { return StringPool.BLANK; } StringBundler sb = new StringBundler(organizationIds.size() * 2 - 1); for (int i = 0; i < organizationIds.size(); i++) { sb.append("Users_Orgs.organizationId = ? "); if ((i + 1) != organizationIds.size()) { sb.append("OR "); } } return sb.toString(); } }