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add @Column(version = true) config support

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开源海哥 2023-03-02 17:01:34 +08:00
parent 0afe2e5401
commit d99b397699
4 changed files with 94 additions and 13 deletions
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2
mybatis-flex-annotation/src/main/java/com/mybatisflex/annotation/Column.java
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@ -54,7 +54,7 @@ public @interface Column {
boolean isLogicDelete() default false;
/**
* 是否为乐观锁字段，如果是的话更新的时候会去检测当前版本号，更新成功的话会设置当前版本号 +1
* 是否为乐观锁字段，若是乐观锁字段的话，数据更新的时候会去检测当前版本号，若更新成功的话会设置当前版本号 +1
* 只能用于数值的字段
*/
boolean version() default false;

48
mybatis-flex-core/src/main/java/com/mybatisflex/core/dialect/CommonsDialectImpl.java
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@ -528,6 +528,12 @@ public class CommonsDialectImpl implements IDialect {
onUpdateColumns.forEach((column, value) -> stringJoiner.add(wrap(column) + " = " + value));
}
//乐观锁字段
String versionColumn = tableInfo.getVersionColumn();
if (StringUtil.isNotBlank(versionColumn)) {
stringJoiner.add(wrap(versionColumn) + " = " + wrap(versionColumn) + " + 1 ");
}
sql.append(stringJoiner);
sql.append(" WHERE ");
@ -538,11 +544,19 @@ public class CommonsDialectImpl implements IDialect {
sql.append(wrap(primaryKeys[i])).append(" = ?");
}
//逻辑删除条件，已删除的数据不能被修改
String logicDeleteColumn = tableInfo.getLogicDeleteColumn();
if (StringUtil.isNotBlank(logicDeleteColumn)) {
sql.append(" AND ").append(wrap(logicDeleteColumn)).append(" = 0 ");
}
//乐观锁条件
if (StringUtil.isNotBlank(versionColumn)) {
Object versionValue = tableInfo.getColumnValue(entity, versionColumn);
sql.append(" AND ").append(wrap(versionColumn)).append(" = ").append(versionValue);
}
return sql.toString();
}
@ -553,23 +567,41 @@ public class CommonsDialectImpl implements IDialect {
Set<String> modifyAttrs = tableInfo.obtainUpdateColumns(entity, ignoreNulls, true);
sql.append("UPDATE ").append(wrap(tableInfo.getTableName())).append(" SET ");
int index = 0;
StringJoiner stringJoiner = new StringJoiner(", ");
for (String modifyAttr : modifyAttrs) {
if (index > 0) {
sql.append(", ");
}
sql.append(wrap(modifyAttr)).append(" = ? ");
index++;
stringJoiner.add(wrap(modifyAttr) + " = ?");
}
Map<String, String> onUpdateColumns = tableInfo.getOnUpdateColumns();
if (onUpdateColumns != null && !onUpdateColumns.isEmpty()) {
StringJoiner stringJoiner = new StringJoiner(", ");
onUpdateColumns.forEach((column, value) -> stringJoiner.add(wrap(column) + " = " + value));
sql.append(", ").append(stringJoiner);
}
//乐观锁字段
String versionColumn = tableInfo.getVersionColumn();
if (StringUtil.isNotBlank(versionColumn)) {
stringJoiner.add(wrap(versionColumn) + " = " + wrap(versionColumn) + " + 1 ");
}
sql.append(stringJoiner);
sql.append(" WHERE ");
//乐观锁条件
if (StringUtil.isNotBlank(versionColumn)) {
Object versionValue = tableInfo.getColumnValue(entity, versionColumn);
queryWrapper.and(new StringQueryCondition(wrap(versionColumn) + " = " + versionValue));
}
//逻辑删除条件，已删除的数据不能被修改
String logicDeleteColumn = tableInfo.getLogicDeleteColumn();
if (StringUtil.isNotBlank(logicDeleteColumn)) {
queryWrapper.and(new StringQueryCondition(wrap(logicDeleteColumn) + " = 0"));
}
sql.append(buildWhereConditionSql(queryWrapper));
return sql.toString();

7
mybatis-flex-core/src/main/java/com/mybatisflex/core/provider/EntitySqlProvider.java
View File

@ -58,6 +58,9 @@ public class EntitySqlProvider {
TableInfo tableInfo = ProviderUtil.getTableInfo(context);
//设置乐观锁版本字段的初始化
tableInfo.initVersionValueIfNecessary(entity);
Object[] values = tableInfo.obtainInsertValues(entity);
ProviderUtil.setSqlArgs(params, values);
@ -81,6 +84,10 @@ public class EntitySqlProvider {
}
TableInfo tableInfo = ProviderUtil.getTableInfo(context);
for (Object entity : entities) {
tableInfo.initVersionValueIfNecessary(entity);
}
Object[] values = new Object[0];
for (Object entity : entities) {
values = ArrayUtil.concat(values, tableInfo.obtainInsertValues(entity));

42
mybatis-flex-core/src/main/java/com/mybatisflex/core/table/TableInfo.java
View File

@ -22,6 +22,7 @@ import com.mybatisflex.core.row.Row;
import com.mybatisflex.core.util.ArrayUtil;
import com.mybatisflex.core.util.ClassUtil;
import com.mybatisflex.core.util.CollectionUtil;
import com.mybatisflex.core.util.StringUtil;
import org.apache.ibatis.mapping.ResultFlag;
import org.apache.ibatis.mapping.ResultMap;
import org.apache.ibatis.mapping.ResultMapping;
@ -289,6 +290,11 @@ public class TableInfo {
continue;
}
//过滤乐观锁字段
if (Objects.equals(column, versionColumn)) {
continue;
}
if (!includePrimary && ArrayUtil.contains(primaryKeys, column)) {
continue;
}
@ -306,6 +312,11 @@ public class TableInfo {
continue;
}
//过滤乐观锁字段
if (Objects.equals(column, versionColumn)) {
continue;
}
Object value = getColumnValue(metaObject, column);
if (ignoreNulls && value == null) {
continue;
@ -346,6 +357,10 @@ public class TableInfo {
if (onUpdateColumns != null && onUpdateColumns.containsKey(column)) {
continue;
}
//过滤乐观锁字段
if (Objects.equals(column, versionColumn)) {
continue;
}
if (!includePrimary && ArrayUtil.contains(primaryKeys, column)) {
continue;
@ -364,6 +379,11 @@ public class TableInfo {
continue;
}
//过滤乐观锁字段
if (Objects.equals(column, versionColumn)) {
continue;
}
Object value = getColumnValue(metaObject, column);
if (ignoreNulls && value == null) {
continue;
@ -433,6 +453,11 @@ public class TableInfo {
return getPropertyValue(metaObject, columnPropertyMapping.get(column));
}
public Object getColumnValue(Object entityObject, String column) {
MetaObject metaObject = EntityMetaObject.forObject(entityObject, reflectorFactory);
return getPropertyValue(metaObject, columnPropertyMapping.get(column));
}
private Object getPropertyValue(MetaObject metaObject, String property) {
if (property != null && metaObject.hasGetter(property)) {
@ -463,4 +488,21 @@ public class TableInfo {
}
return (T) instance;
}
/**
* 初始化乐观锁版本号
*
* @param entityObject
*/
public void initVersionValueIfNecessary(Object entityObject) {
if (StringUtil.isBlank(versionColumn)) {
return;
}
MetaObject metaObject = EntityMetaObject.forObject(entityObject, reflectorFactory);
Object columnValue = getColumnValue(entityObject, versionColumn);
if (columnValue == null) {
metaObject.setValue(columnPropertyMapping.get(versionColumn), 0);
}
}
}