Java Code Examples for org.apache.ibatis.type.TypeHandler#setParameter()
The following examples show how to use
org.apache.ibatis.type.TypeHandler#setParameter() .
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Example 1
| Source File: SqlRunner.java From mybaties with Apache License 2.0 | 6 votes |
|
private void setParameters(PreparedStatement ps, Object... args) throws SQLException {
for (int i = 0, n = args.length; i < n; i++) {
if (args[i] == null) {
throw new SQLException("SqlRunner requires an instance of Null to represent typed null values for JDBC compatibility");
} else if (args[i] instanceof Null) {
((Null) args[i]).getTypeHandler().setParameter(ps, i + 1, null, ((Null) args[i]).getJdbcType());
} else {
//巧妙的利用TypeHandler来设置参数
TypeHandler typeHandler = typeHandlerRegistry.getTypeHandler(args[i].getClass());
if (typeHandler == null) {
throw new SQLException("SqlRunner could not find a TypeHandler instance for " + args[i].getClass());
} else {
typeHandler.setParameter(ps, i + 1, args[i], null);
}
}
}
}
Example 2
| Source File: SqlRunner.java From mybatis with Apache License 2.0 | 6 votes |
|
private void setParameters(PreparedStatement ps, Object... args) throws SQLException {
for (int i = 0, n = args.length; i < n; i++) {
if (args[i] == null) {
throw new SQLException("SqlRunner requires an instance of Null to represent typed null values for JDBC compatibility");
} else if (args[i] instanceof Null) {
((Null) args[i]).getTypeHandler().setParameter(ps, i + 1, null, ((Null) args[i]).getJdbcType());
} else {
//巧妙的利用TypeHandler来设置参数
TypeHandler typeHandler = typeHandlerRegistry.getTypeHandler(args[i].getClass());
if (typeHandler == null) {
throw new SQLException("SqlRunner could not find a TypeHandler instance for " + args[i].getClass());
} else {
typeHandler.setParameter(ps, i + 1, args[i], null);
}
}
}
}
Example 3
| Source File: DefaultParameterHandler.java From AsuraFramework with Apache License 2.0 | 5 votes |
|
public void setParameters(PreparedStatement ps) throws SQLException {
ErrorContext.instance().activity("setting parameters").object(mappedStatement.getParameterMap().getId());
List<ParameterMapping> parameterMappings = boundSql.getParameterMappings();
if (parameterMappings != null) {
MetaObject metaObject = parameterObject == null ? null : configuration.newMetaObject(parameterObject);
for (int i = 0; i < parameterMappings.size(); i++) {
ParameterMapping parameterMapping = parameterMappings.get(i);
if (parameterMapping.getMode() != ParameterMode.OUT) {
Object value;
String propertyName = parameterMapping.getProperty();
if (boundSql.hasAdditionalParameter(propertyName)) { // issue #448 ask first for additional params
value = boundSql.getAdditionalParameter(propertyName);
} else if (parameterObject == null) {
value = null;
} else if (typeHandlerRegistry.hasTypeHandler(parameterObject.getClass())) {
value = parameterObject;
} else {
value = metaObject == null ? null : metaObject.getValue(propertyName);
}
TypeHandler typeHandler = parameterMapping.getTypeHandler();
if (typeHandler == null) {
throw new ExecutorException("There was no TypeHandler found for parameter " + propertyName + " of statement " + mappedStatement.getId());
}
JdbcType jdbcType = parameterMapping.getJdbcType();
if (value == null && jdbcType == null) jdbcType = configuration.getJdbcTypeForNull();
typeHandler.setParameter(ps, i + 1, value, jdbcType);
}
}
}
}
Example 4
| Source File: SQLHelper.java From Shop-for-JavaWeb with MIT License | 5 votes |
|
/**
* 对SQL参数(?)设值,参考org.apache.ibatis.executor.parameter.DefaultParameterHandler
*
* @param ps 表示预编译的 SQL 语句的对象。
* @param mappedStatement MappedStatement
* @param boundSql SQL
* @param parameterObject 参数对象
* @throws java.sql.SQLException 数据库异常
*/
@SuppressWarnings("unchecked")
public static void setParameters(PreparedStatement ps, MappedStatement mappedStatement, BoundSql boundSql, Object parameterObject) throws SQLException {
ErrorContext.instance().activity("setting parameters").object(mappedStatement.getParameterMap().getId());
List<ParameterMapping> parameterMappings = boundSql.getParameterMappings();
if (parameterMappings != null) {
Configuration configuration = mappedStatement.getConfiguration();
TypeHandlerRegistry typeHandlerRegistry = configuration.getTypeHandlerRegistry();
MetaObject metaObject = parameterObject == null ? null :
configuration.newMetaObject(parameterObject);
for (int i = 0; i < parameterMappings.size(); i++) {
ParameterMapping parameterMapping = parameterMappings.get(i);
if (parameterMapping.getMode() != ParameterMode.OUT) {
Object value;
String propertyName = parameterMapping.getProperty();
PropertyTokenizer prop = new PropertyTokenizer(propertyName);
if (parameterObject == null) {
value = null;
} else if (typeHandlerRegistry.hasTypeHandler(parameterObject.getClass())) {
value = parameterObject;
} else if (boundSql.hasAdditionalParameter(propertyName)) {
value = boundSql.getAdditionalParameter(propertyName);
} else if (propertyName.startsWith(ForEachSqlNode.ITEM_PREFIX) && boundSql.hasAdditionalParameter(prop.getName())) {
value = boundSql.getAdditionalParameter(prop.getName());
if (value != null) {
value = configuration.newMetaObject(value).getValue(propertyName.substring(prop.getName().length()));
}
} else {
value = metaObject == null ? null : metaObject.getValue(propertyName);
}
@SuppressWarnings("rawtypes")
TypeHandler typeHandler = parameterMapping.getTypeHandler();
if (typeHandler == null) {
throw new ExecutorException("There was no TypeHandler found for parameter " + propertyName + " of statement " + mappedStatement.getId());
}
typeHandler.setParameter(ps, i + 1, value, parameterMapping.getJdbcType());
}
}
}
}
Example 5
| Source File: DefaultParameterHandler.java From mybaties with Apache License 2.0 | 5 votes |
|
@Override
public void setParameters(PreparedStatement ps) throws SQLException {
ErrorContext.instance().activity("setting parameters").object(mappedStatement.getParameterMap().getId());
List<ParameterMapping> parameterMappings = boundSql.getParameterMappings();
if (parameterMappings != null) {
//循环设参数
for (int i = 0; i < parameterMappings.size(); i++) {
ParameterMapping parameterMapping = parameterMappings.get(i);
if (parameterMapping.getMode() != ParameterMode.OUT) {
//如果不是OUT，才设进去
Object value;
String propertyName = parameterMapping.getProperty();
if (boundSql.hasAdditionalParameter(propertyName)) { // issue #448 ask first for additional params
//若有额外的参数, 设为额外的参数
value = boundSql.getAdditionalParameter(propertyName);
} else if (parameterObject == null) {
//若参数为null，直接设null
value = null;
} else if (typeHandlerRegistry.hasTypeHandler(parameterObject.getClass())) {
//若参数有相应的TypeHandler，直接设object
value = parameterObject;
} else {
//除此以外，MetaObject.getValue反射取得值设进去
MetaObject metaObject = configuration.newMetaObject(parameterObject);
value = metaObject.getValue(propertyName);
}
TypeHandler typeHandler = parameterMapping.getTypeHandler();
JdbcType jdbcType = parameterMapping.getJdbcType();
if (value == null && jdbcType == null) {
//不同类型的set方法不同，所以委派给子类的setParameter方法
jdbcType = configuration.getJdbcTypeForNull();
}
typeHandler.setParameter(ps, i + 1, value, jdbcType);
}
}
}
}
Example 6
| Source File: DefaultParameterHandler.java From mybatis with Apache License 2.0 | 5 votes |
|
@Override
public void setParameters(PreparedStatement ps) throws SQLException {
ErrorContext.instance().activity("setting parameters").object(mappedStatement.getParameterMap().getId());
List<ParameterMapping> parameterMappings = boundSql.getParameterMappings();
if (parameterMappings != null) {
//循环设参数
for (int i = 0; i < parameterMappings.size(); i++) {
ParameterMapping parameterMapping = parameterMappings.get(i);
if (parameterMapping.getMode() != ParameterMode.OUT) {
//如果不是OUT，才设进去
Object value;
String propertyName = parameterMapping.getProperty();
if (boundSql.hasAdditionalParameter(propertyName)) { // issue #448 ask first for additional params
//若有额外的参数, 设为额外的参数
value = boundSql.getAdditionalParameter(propertyName);
} else if (parameterObject == null) {
//若参数为null，直接设null
value = null;
} else if (typeHandlerRegistry.hasTypeHandler(parameterObject.getClass())) {
//若参数有相应的TypeHandler，直接设object
value = parameterObject;
} else {
//除此以外，MetaObject.getValue反射取得值设进去
MetaObject metaObject = configuration.newMetaObject(parameterObject);
value = metaObject.getValue(propertyName);
}
TypeHandler typeHandler = parameterMapping.getTypeHandler();
JdbcType jdbcType = parameterMapping.getJdbcType();
if (value == null && jdbcType == null) {
//不同类型的set方法不同，所以委派给子类的setParameter方法
jdbcType = configuration.getJdbcTypeForNull();
}
typeHandler.setParameter(ps, i + 1, value, jdbcType);
}
}
}
}
Example 7
| Source File: AutoMapperInterceptor.java From mybatis.flying with Apache License 2.0 | 4 votes |
|
@SuppressWarnings("unchecked")
private void setParameters(PreparedStatement ps, MappedStatement mappedStatement, BoundSql boundSql,
Object parameterObject) throws SQLException {
ErrorContext.instance().activity(SETTING_PARAMETERS).object(mappedStatement.getParameterMap().getId());
List<ParameterMapping> parameterMappings = boundSql.getParameterMappings();
if (parameterMappings != null) {
Configuration configuration = mappedStatement.getConfiguration();
TypeHandlerRegistry typeHandlerRegistry = configuration.getTypeHandlerRegistry();
MetaObject metaObject = parameterObject == null ? null : configuration.newMetaObject(parameterObject);
for (int i = 0; i < parameterMappings.size(); i++) {
ParameterMapping parameterMapping = parameterMappings.get(i);
if (parameterMapping.getMode() != ParameterMode.OUT) {
Object value;
String propertyName = parameterMapping.getProperty();
PropertyTokenizer prop = new PropertyTokenizer(propertyName);
if (parameterObject == null) {
value = null;
} else if (typeHandlerRegistry.hasTypeHandler(parameterObject.getClass())) {
value = parameterObject;
} else if (boundSql.hasAdditionalParameter(propertyName)) {
value = boundSql.getAdditionalParameter(propertyName);
} else if (propertyName.startsWith(ForEachSqlNode.ITEM_PREFIX)
&& boundSql.hasAdditionalParameter(prop.getName())) {
value = boundSql.getAdditionalParameter(prop.getName());
if (value != null) {
value = configuration.newMetaObject(value)
.getValue(propertyName.substring(prop.getName().length()));
}
} else {
value = metaObject == null ? null : metaObject.getValue(propertyName);
}
TypeHandler<Object> typeHandler = (TypeHandler<Object>) parameterMapping.getTypeHandler();
if (typeHandler == null) {
throw new AutoMapperException(
new StringBuffer(AutoMapperExceptionEnum.NO_TYPE_HANDLER_SUITABLE.toString())
.append(propertyName).append(" of statement ").append(mappedStatement.getId())
.toString());
}
typeHandler.setParameter(ps, i + 1, value, parameterMapping.getJdbcType());
}
}
}
}
Example 8
| Source File: PagePlugin.java From cms with Apache License 2.0 | 4 votes |
|
/**
* org.apache.ibatis.executor.parameter. DefaultParameterHandler
*
* @param ps
* @param mappedStatement
* @param boundSql
* @param parameterObject
* @throws SQLException
*/
@SuppressWarnings({ "rawtypes", "unchecked" })
private void setParameters(PreparedStatement ps, MappedStatement mappedStatement, BoundSql boundSql,
Object parameterObject) throws SQLException {
ErrorContext.instance().activity("setting parameters").object(mappedStatement.getParameterMap().getId());
List<ParameterMapping> parameterMappings = boundSql.getParameterMappings();
if (parameterMappings != null) {
Configuration configuration = mappedStatement.getConfiguration();
TypeHandlerRegistry typeHandlerRegistry = configuration.getTypeHandlerRegistry();
MetaObject metaObject = parameterObject == null ? null : configuration.newMetaObject(parameterObject);
for (int i = 0; i < parameterMappings.size(); i++) {
ParameterMapping parameterMapping = parameterMappings.get(i);
if (parameterMapping.getMode() != ParameterMode.OUT) {
Object value;
String propertyName = parameterMapping.getProperty();
PropertyTokenizer prop = new PropertyTokenizer(propertyName);
if (parameterObject == null) {
value = null;
} else if (typeHandlerRegistry.hasTypeHandler(parameterObject.getClass())) {
value = parameterObject;
} else if (boundSql.hasAdditionalParameter(propertyName)) {
value = boundSql.getAdditionalParameter(propertyName);
} else if (propertyName.startsWith(ForEachSqlNode.ITEM_PREFIX)
&& boundSql.hasAdditionalParameter(prop.getName())) {
value = boundSql.getAdditionalParameter(prop.getName());
if (value != null) {
value = configuration.newMetaObject(value)
.getValue(propertyName.substring(prop.getName().length()));
}
} else {
value = metaObject == null ? null : metaObject.getValue(propertyName);
}
TypeHandler typeHandler = parameterMapping.getTypeHandler();
if (typeHandler == null) {
throw new ExecutorException("There was no TypeHandler found for parameter " + propertyName
+ " of statement " + mappedStatement.getId());
}
typeHandler.setParameter(ps, i + 1, value, parameterMapping.getJdbcType());
}
}
}
}
