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SOLR/LUCENCE資源

視頻：01. lucene簡介和創建索引初步等
http://www.itsoku.com/video/sp/63/v/1683.shtml

posted @ 2013-12-27 16:13 paulwong 閱讀(276) | 評論 (0) | 編輯收藏

JBOSS資源

!!JBOSS集群系列：
http://blog.csdn.net/kylinsoong/article/category/1668321

JBOSS測試
http://docs.jboss.org/arquillian/reference/1.0.0.Alpha5/en-US/html_single/

JBOSS安裝工具
http://tools.jboss.org/downloads/jbosstools/indigo/3.3.2.Final.html

Java EE 6 Testing Part I – EJB 3.1 Embeddable API
http://www.samaxes.com/2011/12/javaee-testing-ejb31-embeddable/

Java EE 6 Testing Part II – Introduction to Arquillian and ShrinkWrap
http://www.samaxes.com/2012/05/javaee-testing-introduction-arquillian-shrinkwrap/

!!JBOSS系列 -EJB遠程調用-客戶端的配置
http://www.cnblogs.com/liutengteng130/p/4270832.html

JBOSS 8文檔
https://docs.jboss.org/author/display/WFLY8/Documentation

posted @ 2013-12-27 13:34 paulwong 閱讀(254) | 評論 (0) | 編輯收藏

在SPRING DATA MONGODB中使用聚合統計查詢

在SQL語句中如要做統計一般是這種方式：

SELECT ..,SUM(1)
FROM ..
WHERE ..
GROUP BY ..
HAVING ..
SORT ..

在MONGODB中的架構圖

在SPRING DATA MONGODB中是這樣寫的：

public class VideoRepositoryImpl implements VideoRepositoryCustom{

    private static Logger logger = LoggerFactory.getLogger(VideoRepositoryImpl.class);

    @Autowired
    private MongoTemplate mongoTemplate;


    public List<Cat1UpdateCount> getVideoWithUpdateFrag(List<String> importantCat1List) {

        logger.info(new Date().toString());

        /**
         * db.videos.aggregate(
            [
               { $match: { "frags.isnew" : true } },
               { $unwind: "$frags" },
               { $match: { "frags.isnew" : true } },
               { $group: {
                           _id: {cat1:"$cat1"},
                           count: { $sum: 1 },
                           publishdate2: { $max: "$publishdate"}
                         }
               }

            ]
            )
         */
        Aggregation agg = newAggregation(
                project("frags","cat1","publishdate"),//挑選所需的字段
                match(
                        Criteria.where("frags.isnew").is(Boolean.TRUE)
                        .and("cat1").in(importantCat1List)
                     ),//篩選符合條件的記錄
                unwind("frags"),//如果有MASTER-ITEM關系的表，需同時JOIN這兩張表的，展開子項LIST，且是內鏈接，即如果父和子的關聯ID沒有的就不會輸出
                match(Criteria.where("frags.isnew").is(Boolean.TRUE)),
                group("cat1")//設置分組字段
                    .count().as("updateCount")//增加COUNT為分組后輸出的字段
                    .last("publishdate").as("publishDate"),//增加publishDate為分組后輸出的字段
                project("publishDate","cat1","updateCount")//重新挑選字段
                    .and("cat1").previousOperation()//為前一操作所產生的ID FIELD建立別名
            );

            AggregationResults<Cat1UpdateCount> results = mongoTemplate.aggregate(agg, Video.COLLECTION_NAME, Cat1UpdateCount.class);
            List<Cat1UpdateCount> cat1UpdateCountList = results.getMappedResults();

        return cat1UpdateCountList;
    }

}

其中frags的數據類型是LIST

Cat1UpdateCount.java

import java.io.Serializable;

public class Cat1UpdateCount implements Serializable{

    private static final long serialVersionUID = 4240876746984930098L;

    private String cat1;

    private int updateCount;

    private String publishDate;

    public String getCat1() {
        return cat1;
    }

    public void setCat1(String cat1) {
        this.cat1 = cat1;
    }

    public int getUpdateCount() {
        return updateCount;
    }

    public void setUpdateCount(int updateCount) {
        this.updateCount = updateCount;
    }

    public String getPublishDate() {
        return publishDate;
    }

    public void setPublishDate(String publishDate) {
        this.publishDate = publishDate;
    }

    public String toString() {
        return "Cat1UpdateCount [cat1=" + cat1 + ", updateCount=" + updateCount
                + ", publishDate=" + publishDate + "]";
    }

}

參考：
http://docs.spring.io/spring-data/data-mongodb/docs/current/reference/htmlsingle/#mongo.group

http://docs.mongodb.org/manual/reference/operator/aggregation/group/
http://docs.mongodb.org/manual/reference/sql-aggregation-comparison/

posted @ 2013-12-24 09:44 paulwong 閱讀(11661) | 評論 (0) | 編輯收藏

為SPRING DATA MONGODB REPOSITORY添加自定義方法

自從用了SPRING DATA MONGODB后，增刪改查的實現方法都不用自己寫了，只需聲明方法名稱，SPRING會自動添加代碼，但用時候SPRING自帶的方法不夠，難免要添加的，因此如何在原有的方法上疊加自定義的方法呢？

定義自定義的接口

public interface VideoRepositoryCustom {

public List<Cat1UpdateCount> getVideoWithUpdateFrag(List<String> importantCat1List);

}

添加自定義的實現

import static org.springframework.data.mongodb.core.aggregation.Aggregation.group;
import static org.springframework.data.mongodb.core.aggregation.Aggregation.match;
import static org.springframework.data.mongodb.core.aggregation.Aggregation.newAggregation;
import static org.springframework.data.mongodb.core.aggregation.Aggregation.project;
import static org.springframework.data.mongodb.core.aggregation.Aggregation.unwind;

import java.util.Date;
import java.util.List;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.mongodb.core.MongoTemplate;
import org.springframework.data.mongodb.core.aggregation.Aggregation;
import org.springframework.data.mongodb.core.aggregation.AggregationResults;
import org.springframework.data.mongodb.core.query.Criteria;

import program.video.aggregation.valueobject.Cat1UpdateCount;
import program.video.valueobject.Video;

public class VideoRepositoryImpl implements VideoRepositoryCustom{

    private static Logger logger = LoggerFactory.getLogger(VideoRepositoryImpl.class);

    @Autowired
    private MongoTemplate mongoTemplate;


    public List<Cat1UpdateCount> getVideoWithUpdateFrag(List<String> importantCat1List) {

        logger.info(new Date().toString());

        /**
         * db.videos.aggregate(
            [
               { $match: { "frags.isnew" : true } },
               { $unwind: "$frags" },
               { $match: { "frags.isnew" : true } },
               { $group: {
                           _id: {cat1:"$cat1"},
                           count: { $sum: 1 },
                           publishdate2: { $max: "$publishdate"}
                         }
               }

            ]
            )
         */
        Aggregation agg = newAggregation(
                project("frags","cat1","publishdate"),
                match(
                        Criteria.where("frags.isnew").is(Boolean.TRUE)
                        .and("cat1").in(importantCat1List)
                     ),
                unwind("frags"),//展開子項LIST，且是內鏈接，即如果父和子的關聯ID沒有的就不會輸出
                match(Criteria.where("frags.isnew").is(Boolean.TRUE)),
                group("cat1")//設置分組字段
                    .count().as("updateCount")//增加COUNT為分組字段
                    .last("publishdate").as("publishDate"),//增加publishDate為分組字段
                project("publishDate","cat1","updateCount")//重新挑選字段
                    .and("cat1").previousOperation()//為前一操作所產生的ID FIELD建立別名
            );

            AggregationResults<Cat1UpdateCount> results = mongoTemplate.aggregate(agg, Video.COLLECTION_NAME, Cat1UpdateCount.class);
            List<Cat1UpdateCount> cat1UpdateCountList = results.getMappedResults();

        return null;
    }

}

原先的接口實現多重繼承

import org.springframework.data.domain.Page;
import org.springframework.data.domain.Pageable;
import org.springframework.data.mongodb.repository.Query;
import org.springframework.data.repository.PagingAndSortingRepository;
import org.springframework.data.repository.query.Param;

import program.video.valueobject.Video;

public interface VideoRepository extends PagingAndSortingRepository<Video, String>,VideoRepositoryCustom {

    @Query("{ title : {$regex : ?0 } }")
    public Page<Video> findVideosByKeyword(@Param("title") String keyword, Pageable page);

    @Query("{ pid : ?0 }")
    public Video findByVideoId(String id);

    @Query(value="{ pid : ?0 , ver: { $gt : ?1 }}")
    public Video findByIdAndVersion(String id, int ver);


    public Page<Video> findByTitleLike(String title, Pageable pageable);

    @Query("{ title : {$regex : ?0}, cat1 : ?1}")
    public Page<Video> findVideosByTitleAndCat1(String title, String cat1, Pageable pageable);

    @Query("{ cat1 : ?0}")
    public Page<Video> findVideosByCat1(String cat1, Pageable pageable);

    @Query("{ title : {$regex : ?0}, cat1 : ?1, status : ?2}")
    public Page<Video> findVideosByTitleAndCat1AndStatus(String title, String cat1, int status, Pageable pageable);

    @Query("{ title : {$regex : ?0}, cat1 : ?1, status : { $in : [ ?2, null]}}")
    public Page<Video> findVideosByTitleAndCat1AndStatusExist(String title, String cat1, int status, Pageable pageable);

    @Query("{ title : {$regex : ?0}, status : ?1}")
    public Page<Video> findVideosByTitleAndStatus(String title, int status, Pageable pageable);

    @Query("{ title : {$regex : ?0}, status : { $in : [ ?1, null]}}")
    public Page<Video> findVideosByTitleAndStatusExist(String title, int status, Pageable pageable);

    @Query("{ cat1 : ?0, status : ?1}")
    public Page<Video> findVideosByCat1AndStatus(String cat1, int status, Pageable pageable);

    @Query("{ cat1 : ?0, status : { $in : [ ?1, null]}}")
    public Page<Video> findVideosByCat1AndStatusExist(String cat1, int status, Pageable pageable);

    @Query("{ status : ?0}")
    public Page<Video> findVideosByStatus(int status, Pageable pageable);

    @Query("{status : { $in : [ ?0, null]}}")
    public Page<Video> findVidesByStatusExist(int status, Pageable pageable);
}

SPRING DATA 配置文件

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:context="http://www.springframework.org/schema/context"
    xmlns:mongo="http://www.springframework.org/schema/data/mongo"
    xsi:schemaLocation="http://www.springframework.org/schema/context
          http://www.springframework.org/schema/context/spring-context-3.0.xsd
          http://www.springframework.org/schema/data/mongo
          http://www.springframework.org/schema/data/mongo/spring-mongo-1.3.xsd
          http://www.springframework.org/schema/beans
          http://www.springframework.org/schema/beans/spring-beans-3.0.xsd">

    
    <context:annotation-config />

    <context:property-placeholder location="classpath*:/properties/mongodb/mongo.properties"/>

    
    <mongo:mongo host="${mongo.host}" port="${mongo.port}">
        <mongo:options connections-per-host="${mongo.connectionsPerHost}"
            threads-allowed-to-block-for-connection-multiplier="${mongo.threadsAllowedToBlockForConnectionMultiplier}"
            connect-timeout="${mongo.connectTimeout}" max-wait-time="${mongo.maxWaitTime}"
            auto-connect-retry="${mongo.autoConnectRetry}" socket-keep-alive="${mongo.socketKeepAlive}"
            socket-timeout="${mongo.socketTimeout}" slave-ok="${mongo.slaveOk}"
            write-number="1" write-timeout="0" write-fsync="true" />
    </mongo:mongo>

    

    <mongo:db-factory
                        dbname="${mongo.dbname}"
                        mongo-ref="mongo" />

    <bean id="mongoTemplate" class="org.springframework.data.mongodb.core.MongoTemplate">
        <constructor-arg name="mongoDbFactory" ref="mongoDbFactory" />
    </bean>

    <mongo:repositories base-package="com.tcl.project7.boss.**.repository" />

</beans>

注意的是，自定義的實現類要以IMPL后綴，則SPRING可以自動識別的，無需再指定了。

調用REPOSITORY

@Autowired
private VideoRepository videoRepository;

posted @ 2013-12-24 09:23 paulwong 閱讀(2173) | 評論 (1) | 編輯收藏

maven通過命令行復制jar包的依賴包命令

從Maven倉庫中導出jar包：

進入工程pom.xml 所在的目錄下，輸入以下命令：

mvn dependency:copy-dependencies -DoutputDirectory=lib

lib為導出的目標文件夾

posted @ 2013-11-28 12:10 paulwong 閱讀(1351) | 評論 (0) | 編輯收藏

JAX-RS資源

JAX-RS是JAVA EE的一個標準，用來處理RESTFUL的WEBSERVICE。

Jersey 2.4.1 User Guide
https://jersey.java.net/documentation/latest/index.html

The Java EE 6 Tutorial
http://docs.oracle.com/javaee/6/tutorial/doc/gkoib.html

基于JAXB注釋的JSON與JAVA BEAN的互轉

http://wiki.fasterxml.com/JacksonDataBinding

http://stackoverflow.com/questions/10699038/generating-more-json-like-json-from-jaxb-and-jersey

http://wiki.fasterxml.com/JacksonJAXBAnnotations

例子：
https://github.com/jersey/jersey/tree/2.4.1/examples

posted @ 2013-11-27 12:03 paulwong 閱讀(560) | 評論 (0) | 編輯收藏

微信公眾平臺開發資源

【微信公眾平臺改版后】Java模擬登錄微信平臺,主動推送消息給用戶

http://50vip.com/blog.php?i=349

微信公眾賬號開發
http://my.oschina.net/ywooer/blog?catalog=419479

posted @ 2013-11-25 22:00 paulwong 閱讀(560) | 評論 (0) | 編輯收藏

NGINX資源

Nginx + Memcached + Tomcat 集群

http://www.oschina.net/question/1014681_107718

安裝NGINX：
https://www.server-world.info/en/note?os=CentOS_Stream_8&p=nginx&f=1

自己生成證書：
https://www.server-world.info/en/note?os=CentOS_Stream_8&p=ssl&f=1

NGINX配置HTTPS：
https://www.server-world.info/en/note?os=CentOS_Stream_8&p=nginx&f=3

NGINX配置負載均衡
https://www.server-world.info/en/note?os=CentOS_Stream_8&p=nginx&f=9

NGINX配置反射代理
https://www.server-world.info/en/note?os=CentOS_Stream_8&p=nginx&f=8

徹底搞懂 Nginx 五大應用場景！出去吹牛逼再也不擔心了
https://segmentfault.com/a/1190000040420111

Nginx系列教程(3)nginx緩存服務器上的靜態文件
https://segmentfault.com/a/1190000022548261

Nginx常用反向代理配置規則
https://segmentfault.com/a/1190000022501310

Nginx系列教程(10)基于Nginx解決前端訪問后端服務跨域問題(Session和cookie無效)
https://segmentfault.com/a/1190000022505420

生產環境之Nginx高可用方案(keepalived+雙機熱備)
https://segmentfault.com/a/1190000022511710

【nginx】配置Nginx實現負載均衡
https://segmentfault.com/a/1190000017096671

面試官：Nginx 如何實現高并發？常見的優化手段有哪些？
https://segmentfault.com/a/1190000040559345

posted @ 2013-11-24 21:11 paulwong 閱讀(277) | 評論 (0) | 編輯收藏

基于springMVC+springSecurity3.x+Mybaits3.x的權限系統

https://github.com/lanyuancom/lanyuan @import url(http://www.aygfsteel.com/CuteSoft_Client/CuteEditor/Load.ashx?type=style&file=SyntaxHighlighter.css);@import url(/css/cuteeditor.css);

posted @ 2013-11-24 20:54 paulwong 閱讀(891) | 評論 (0) | 編輯收藏

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