thjanssen

@Entity
@DynamicUpdate
public class Book {
	
	@Id
	@GeneratedValue(strategy = GenerationType.AUTO)
	@Column(name = "id", updatable = false, nullable = false)
	private Long id;

	@Version

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@SqlResultSetMapping(
        name = "AuthorBookCountMapping",
        entities = @EntityResult(
                entityClass = Author.class,
                fields = {
                    @FieldResult(name = "id", column = "id"),
                    @FieldResult(name = "firstName", column = "firstName"),
                    @FieldResult(name = "lastName", column = "lastName"),
                    @FieldResult(name = "version", column = "version")}),
        columns = @ColumnResult(name = "bookCount", type = Long.class))

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@AnalyzerDef(
	name = “textanalyzer”,
	tokenizer = @TokenizerDef(factory = StandardTokenizerFactory.class),
	filters = {
		@TokenFilterDef(factory = LowerCaseFilterFactory.class),
		@TokenFilterDef(factory = SnowballPorterFilterFactory.class,
			params = { @Parameter(name = “language”, value = “English”) })
	}
)

thjanssen

@Entity
public class Book {

	@Id
	@GeneratedValue(strategy = GenerationType.AUTO)
	@Column(name = "id", updatable = false, nullable = false)
	private Long id;
	@Version
	@Column(name = "version")
	private int version;

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@Entity
public class CreditCard {

    @Id
    @GeneratedValue(strategy = GenerationType.IDENTITY)
    private Integer id;

    private String ccNumber;

    private String name;

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@NamedStoredProcedureQuery(
	name = "calculate", 
	procedureName = "calculate", 
	parameters = { 
		@StoredProcedureParameter(mode = ParameterMode.IN, type = Double.class, name = "x"), 
		@StoredProcedureParameter(mode = ParameterMode.IN, type = Double.class, name = "y"), 
		@StoredProcedureParameter(mode = ParameterMode.OUT, type = Double.class, name = "sum")
	}
)

thjanssen

package blog.thoughts.on.java.jpa21.converter;

import java.awt.Color;

import javax.persistence.AttributeConverter;
import javax.persistence.Converter;

@Converter
public class ColorConverter implements AttributeConverter<Color, String> {

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Book b = new Book();
b.setTitle(“The Hound of the Baskervilles”);
b.setPublishingDate(LocalDate.of(1902, 4, 30));
em.persist(b);

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@Converter(autoApply = true)
public class LocalDateAttributeConverter implements AttributeConverter<LocalDate, Date> {
	
    @Override
    public Date convertToDatabaseColumn(LocalDate locDate) {
    	return locDate == null ? null : Date.valueOf(locDate);
    }

    @Override
    public LocalDate convertToEntityAttribute(Date sqlDate) {

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HashMap<String, Object> hints = new HashMap<>();
hints.put("javax.persistence.query.timeout", 1000);

em.find(Author.class, 1L, hints);