Ben Goldin vgoldin

Shakespeare Sonnet++ Postmortem (incident #465)

Date

2015-10-21

Authors

jennifer
martym

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Rough Notes about CQRS and ES

Once upon a time…

I once took notes (almost sentence by sentence with not much editing) about the architectural design concepts - Command and Query Responsibility Segregation (CQRS) and Event Sourcing (ES) - from a presentation of Greg Young and published it as a gist (with the times when a given sentence was heard).

I then found other summaries of the talk and the gist has since been growing up. See the revisions to know the changes and where they came from (aka the sources).

It seems inevitable to throw Domain Driven Design (DDD) in to the mix.

	{
	"type": "System Context",
	"scope": "Internet Banking System",
	"description": "The system context diagram for the Internet Banking System.",
	"size": "A5_Landscape",


	"elements": [
	{
	"type": "Person",

	public void parseExcel(File file) throws IOException {

	OPCPackage container;
	try {
	container = OPCPackage.open(file.getAbsolutePath());
	ReadOnlySharedStringsTable strings = new ReadOnlySharedStringsTable(container);
	XSSFReader xssfReader = new XSSFReader(container);
	StylesTable styles = xssfReader.getStylesTable();
	XSSFReader.SheetIterator iter = (XSSFReader.SheetIterator) xssfReader.getSheetsData();
	while (iter.hasNext()) {

	sudo wget http://repos.fedorapeople.org/repos/dchen/apache-maven/epel-apache-maven.repo -O /etc/yum.repos.d/epel-apache-maven.repo
	sudo sed -i s/\$releasever/6/g /etc/yum.repos.d/epel-apache-maven.repo
	sudo yum install -y apache-maven
	mvn --version

 <?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:osgi="http://www.springframework.org/schema/osgi"
        xmlns:camel="http://camel.apache.org/schema/spring"
        xsi:schemaLocation="
         http://camel.apache.org/schema/spring http://camel.apache.org/schema/spring/camel-spring.xsd
         http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
         http://www.springframework.org/schema/osgi http://www.springframework.org/schema/osgi/spring-osgi.xsd">

	#!/bin/bash

	docker ps -q -f status=exited \| xargs --no-run-if-empty docker rm
	docker images -q -f dangling=true \| xargs --no-run-if-empty docker rmi