jeevan-patil

@Service
public class ProjectServiceImpl implements ProjectService {
 
  @Autowired
  private ApplicationEventPublisher applicationEventPublisher;
  
  @Override
  public void createProject(Project project) {
    // save project entity in the database and publish an event to send mail to project owner
    publishProjectCreatedEvent(project);

jeevan-patil

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.ApplicationListener;
import org.springframework.stereotype.Component;

@Component
public class EntityCreatedEventListener implements ApplicationListener<EntityCreatedEvent> {

  @Autowired
  private EmailService emailService;

jeevan-patil

import org.springframework.context.ApplicationEvent;

public class EntityCreatedEvent<T> extends ApplicationEvent {

  private T entity;

  public EntityCreatedEvent(Object source, T entity) {
    super(source);
    this.entity = entity;
  }

jeevan-patil

package xyz.jeevan.api.domain;

import org.springframework.data.annotation.Id;
import org.springframework.data.mongodb.core.mapping.Document;

/**
 * Projects mongo document.
 */
@Document(collection = "projects")
public class Project {

jeevan-patil

<bean id="hikariConfig" class="com.zaxxer.hikari.HikariConfig">
  <property name="poolName" value="mercatus_connection_pool" />
  <property name="dataSourceClassName" value="com.mysql.jdbc.jdbc2.optional.MysqlDataSource"/>
  <property name="maximumPoolSize" value="50" />
  <property name="maxLifetime" value="60000" />
  <property name="idleTimeout" value="30000" />
  <property name="dataSourceProperties">
   <props>
     <prop key="url">${jdbc.url}</prop>
     <prop key="user">${jdbc.username}</prop>

jeevan-patil

<dependency>
 <groupId>com.zaxxer</groupId>
 <artifactId>HikariCP-java7</artifactId>
 <version>2.4.12</version>
</dependency>

jeevan-patil

<dependency>
 <groupId>com.mchange</groupId>
 <artifactId>c3p0</artifactId>
 <version>0.9.5.2</version>
</dependency>

jeevan-patil

<bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource" destroy-method="close">
  <property name="driverClass" value="${jdbc.driverClassName}"/>
  <property name="jdbcUrl" value="${jdbc.url}"/>
  <property name="user" value="${jdbc.username}"/>
  <property name="password" value="${jdbc.password}"/>
  <property name="minPoolSize" value="10"/>
  <property name="maxPoolSize" value="50"/>
  <property name="acquireIncrement" value="1"/>
  <property name="idleConnectionTestPeriod" value="1000"/>
  <property name="maxStatements" value="250"/>

jeevan-patil

<bean id="dataSource" class="org.apache.commons.dbcp2.BasicDataSource" destroy-method="close">
  <property name="driverClassName" value="${jdbc.driverClassName}"/>
  <property name="url" value="${jdbc.url}"/>
  <property name="username" value="${jdbc.username}"/>
  <property name="password" value="${jdbc.password}"/>
  <property name="initialSize" value="10" />
  <property name="maxTotal" value="50" />
</bean>

jeevan-patil

<dependency>
  <groupId>org.apache.commons</groupId>
  <artifactId>commons-dbcp2</artifactId>
  <version>2.1.1</version>
</dependency>