michail-nikolaev’s gists

michail-nikolaev / PostgreSQL-crosstab

Created September 9, 2012 22:24

PostgreSQL - crosstab

	/CREATE EXTENSION tablefunc/

	INSERT INTO functions_header VALUES
	('AM'),
	('CM'),
	('NM');


	SELECT * FROM crosstab(
	'

michail-nikolaev / spring.fat.gradle

Created September 9, 2012 22:27

Gradle - Spring - Fat Jar - Handlers

	jar {
	from {
	configurations.compile.collect { it.isDirectory() ? it : zipTree(it).matching { exclude 'META-INF/spring.handlers' } }
	}
	from(file("src/main/resources/spring.handlers")) {
	into "META-INF"
	}

	manifest {
	attributes 'Implementation-Title': 'Bla-bla',

michail-nikolaev / neo4j.fat.gradle

Created September 9, 2012 22:29

Gradle - Neo4j - Fat Jar (to avoid problem with pom.xml unzipping)

	compile('com.tinkerpop.blueprints:blueprints-neo4jbatch-graph:2.1.0') {
	exclude group: "org.neo4j", module: "neo4j"
	}
	compile('com.tinkerpop.blueprints:blueprints-neo4j-graph:2.0.0') {
	exclude group: "org.neo4j", module: "neo4j"
	}
	compile 'com.tinkerpop.gremlin:gremlin-java:2.1.0'

	compile 'org.neo4j:neo4j-backup:1.8.M02'
	compile 'org.neo4j:neo4j-com:1.8.M02'

michail-nikolaev / gist:3687706

Created September 9, 2012 22:31

SpringTestBase - workaround to support profiles

	@Configuration
	@ComponentScan("com.bla")
	public class SpringConfig {
	}


	@ContextConfiguration(classes = SpringConfig.class)
	@ActiveProfiles("test")
	@RunWith(SpringJUnit4ClassRunner.class)
	public class SpringTestBase {

michail-nikolaev / gist:3687728

Created September 9, 2012 22:35

Java - Lucene in RAM - withpit tokenizer

	RAMDirectory ramDirectory = new RAMDirectory();
	Analyzer analyzer = new SimpleAnalyzer(Version.LUCENE_36);
	IndexWriterConfig config = new IndexWriterConfig(Version.LUCENE_36, analyzer);
	int processed = 0;
	try {
	IndexWriter writer = new IndexWriter(ramDirectory, config);
	writer.commit();

	......

michail-nikolaev / gist:3687731

Created September 9, 2012 22:36

Lucene - JaroWinklerDistance


	// compile 'org.apache.lucene:lucene-spellchecker:3.6.1'

	private JaroWinklerDistance jaroWinklerDistance = new JaroWinklerDistance();

michail-nikolaev / gist:3687745

Created September 9, 2012 22:38

Spring - JPA using profiles

	<?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:tx="http://www.springframework.org/schema/tx"
	xsi:schemaLocation="http://www.springframework.org/schema/beans
	http://www.springframework.org/schema/beans/spring-beans-3.1.xsd
	http://www.springframework.org/schema/context
	http://www.springframework.org/schema/context/spring-context-3.1.xsd
	http://www.springframework.org/schema/tx

michail-nikolaev / gist:3687748

Created September 9, 2012 22:40

Spring - property inject using Configuration (without any xml)

	@Configuration
	@PropertySource("classpath:/file.properties")
	public class BeanProducer {

	@Inject
	private Environment env;

	@Bean
	public SomeClass someClass() {
	String key = env.getProperty("key");

michail-nikolaev / gist:3687754

Created September 9, 2012 22:41

JPA - PostgreSQL - AbstractEntity with common ID sequence

	@MappedSuperclass
	public abstract class AbstractEntity<T extends AbstractEntity> {
	private static final String SEQUENCE_NAME = "id_seq";

	@Id
	@GeneratedValue(strategy = GenerationType.SEQUENCE, generator = SEQUENCE_NAME)
	@SequenceGenerator(name = SEQUENCE_NAME, sequenceName = SEQUENCE_NAME)
	private Long id;

	public Long getId() {

michail-nikolaev / gist:3687760

Created September 9, 2012 22:43

Hibernate - close after transaction commit

Michail Nikolaev michail-nikolaev