Spring/spring-data-examples
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

#411 - Simplified example by using @Column instead of NamingStrategy.

Browse Source
This commit is contained in:
Jens Schauder
2018-09-18 15:30:41 +02:00
parent 9b88ae9a38
commit fdca9980a9
2 changed files with 5 additions and 40 deletions
Download Patch File Download Diff File Expand all files Collapse all files

40
jdbc/basics/src/main/java/example/springdata/jdbc/basics/aggregate/AggregateConfiguration.java
View File

@@ -19,8 +19,6 @@ import static java.util.Arrays.*;
import java.sql.Clob;
import java.sql.SQLException;
import java.util.HashMap;
import java.util.Map;
import java.util.concurrent.atomic.AtomicInteger;
import org.springframework.context.ApplicationListener;
@@ -31,8 +29,6 @@ import org.springframework.data.convert.CustomConversions;
import org.springframework.data.jdbc.core.convert.JdbcCustomConversions;
import org.springframework.data.jdbc.repository.config.EnableJdbcRepositories;
import org.springframework.data.jdbc.repository.config.JdbcConfiguration;
import org.springframework.data.relational.core.mapping.NamingStrategy;
import org.springframework.data.relational.core.mapping.RelationalPersistentProperty;
import org.springframework.data.relational.core.mapping.event.BeforeSaveEvent;
import org.springframework.lang.Nullable;
@@ -69,42 +65,6 @@ public class AggregateConfiguration extends JdbcConfiguration {
}
}
@Bean
public NamingStrategy namingStrategy() {
Map<String, String> columnAliases = new HashMap<String, String>();
columnAliases.put("lego_set.int_maximum_age", "max_age");
columnAliases.put("lego_set.int_minimum_age", "min_age");
Map<String, String> reverseColumnAliases = new HashMap<String, String>();
reverseColumnAliases.put("manual", "handbuch_id");
Map<String, String> keyColumnAliases = new HashMap<String, String>();
keyColumnAliases.put("models", "name");
return new NamingStrategy() {
@Override
public String getColumnName(RelationalPersistentProperty property) {
String defaultName = NamingStrategy.super.getColumnName(property);
String key = getTableName(property.getOwner().getType()) + "." + defaultName;
return columnAliases.computeIfAbsent(key, __ -> defaultName);
}
@Override
public String getReverseColumnName(RelationalPersistentProperty property) {
return reverseColumnAliases.computeIfAbsent(property.getName(),
__ -> NamingStrategy.super.getReverseColumnName(property));
}
@Override
public String getKeyColumn(RelationalPersistentProperty property) {
return keyColumnAliases.computeIfAbsent(property.getName(), __ -> NamingStrategy.super.getKeyColumn(property));
}
};
}
@Override
protected CustomConversions jdbcCustomConversions() {

5
jdbc/basics/src/main/java/example/springdata/jdbc/basics/aggregate/LegoSet.java
View File

@@ -29,6 +29,7 @@ import org.springframework.data.annotation.AccessType;
import org.springframework.data.annotation.AccessType.Type;
import org.springframework.data.annotation.Id;
import org.springframework.data.annotation.Transient;
import org.springframework.data.relational.core.mapping.Column;
/**
* A Lego Set consisting of multiple Blocks and a manual
@@ -48,9 +49,11 @@ public class LegoSet {
* Since Manuals are part of a {@link LegoSet} and only make sense inside a {@link LegoSet} it is considered part of
* the Aggregate.
*/
@Column("handbuch_id")
private Manual manual;
// You can build multiple models from one LegoSet
@Column(keyColumn = "name")
private final @AccessType(Type.FIELD) @Wither(AccessLevel.PACKAGE) Map<String, Model> models;
LegoSet() {
@@ -59,6 +62,7 @@ public class LegoSet {
// conversion for custom types currently has to be done through getters/setter + marking the underlying property with
// @Transient.
@Column("min_age")
public int getIntMinimumAge() {
return toInt(this.minimumAge);
}
@@ -67,6 +71,7 @@ public class LegoSet {
minimumAge = toPeriod(years);
}
@Column("max_age")
public int getIntMaximumAge() {
return toInt(this.maximumAge);
}