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# /etc/profile.d/maven-settings.sh Maven related stuff

export M2_HOME=/usr/local/apache-maven/apache-maven-3.2.1
export M2=$M2_HOME/bin
export PATH=$M2:$PATH

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# /etc/profile.d/java-settings.sh

OLD
# export JAVA_HOME=/usr/java/jdk1.7.0_51
# export PATH=$JAVA_HOME/bin:$PATH

export JAVA_HOME=/usr/java/jdk1.8.0

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### Java ###
*.class

# Package Files #
*.jar
*.war
*.ear

### IntelliJ ###
*.iml

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# /etc/profile.d/pgsql-data-settings.sh
export PGDATA=/usr/local/pgsql/data 

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// The code
public static <T, V> Collection<V> safeGetCollectionFromMap(Map<T, ? extends Collection<V>> map, T key) {
  if (map.get(key) != null) {
    return map.get(key);
  } else {
    return Lists.newLinkedList();
  }
}

// The tests

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<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
	<modelVersion>4.0.0</modelVersion>

	<groupId> put the group id </groupId>
	<artifactId> put the artifact id </artifactId>
	<version>0.0.1-SNAPSHOT</version>
	<packaging>jar</packaging>

	<name> the name </name>

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/opt/hbase/hbase-0.94.18/bin/start.sh
/opt/hbase/hbase-0.94.18/bin/stop.sh
/opt/hbase/hbase-0.94.18/bin/rolling-restart.sh

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public class DbCleanupRule implements TestRule {
	private final DbConnectionManager connection;

	public DbCleanupRule(DbConnectionManager connection) {
		this.connection = connection;
	}

	@Override
	public Statement apply(Statement base, Description description) {
		return new DbCleanupStatement(base, connection);

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public class DbConnectionRule extends ExternalResource {
	private DbConnectionManager connection;

	public DbConnectionRule() {
	}
	
	@Override
	protected void before() throws Throwable {
		ClassPathXmlApplicationContext ctx = null;
		try {

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@ContextConfiguration(locations = { "/META-INF/one-dao-TEST-ctx.xml", "/META-INF/two-TEST-ctx.xml" })
public class ExampleDaoTest extends AbstractJUnit4SpringContextTests {

	@ClassRule
	public static DbCleanupRule  connectionRule = new DbCleanupRule ();
	
	@Rule
	public DbCleanupRule dbCleanupRule = new DbCleanupRule(connectionRule.getDbConnecttion()); 

	@Autowired