Examples with ResultMapping org.apache.ibatis.mapping.ResultMapping used on opensource projects

Example 26 with ResultMapping

use of org.apache.ibatis.mapping.ResultMapping in project mybatis-3 by mybatis.

the class DefaultResultSetHandler method createRowKeyForMappedProperties.

private void createRowKeyForMappedProperties(ResultMap resultMap, ResultSetWrapper rsw, CacheKey cacheKey, List<ResultMapping> resultMappings, String columnPrefix) throws SQLException {
    for (ResultMapping resultMapping : resultMappings) {
        if (resultMapping.getNestedResultMapId() != null && resultMapping.getResultSet() == null) {
            // Issue #392
            final ResultMap nestedResultMap = configuration.getResultMap(resultMapping.getNestedResultMapId());
            createRowKeyForMappedProperties(nestedResultMap, rsw, cacheKey, nestedResultMap.getConstructorResultMappings(), prependPrefix(resultMapping.getColumnPrefix(), columnPrefix));
        } else if (resultMapping.getNestedQueryId() == null) {
            final String column = prependPrefix(resultMapping.getColumn(), columnPrefix);
            final TypeHandler<?> th = resultMapping.getTypeHandler();
            List<String> mappedColumnNames = rsw.getMappedColumnNames(resultMap, columnPrefix);
            // Issue #114
            if (column != null && mappedColumnNames.contains(column.toUpperCase(Locale.ENGLISH))) {
                final Object value = th.getResult(rsw.getResultSet(), column);
                if (value != null || configuration.isReturnInstanceForEmptyRow()) {
                    cacheKey.update(column);
                    cacheKey.update(value);
                }
            }
        }
    }
}

Example 27 with ResultMapping

use of org.apache.ibatis.mapping.ResultMapping in project mybatis-3 by mybatis.

the class ExecutorTestHelper method prepareSelectPostMappedStatement.

public static MappedStatement prepareSelectPostMappedStatement(final Configuration config) {
    final TypeHandlerRegistry registry = config.getTypeHandlerRegistry();
    final SqlSource sqlSource = new StaticSqlSource(config, "SELECT p.id, p.created_on, p.blog_id, p.section, p.subject, p.body, pt.tag_id," + " t.name as tag_name, c.id as comment_id, c.name as comment_name, c.comment" + " FROM post p" + " LEFT OUTER JOIN post_tag pt ON pt.post_id = p.id" + " LEFT OUTER JOIN tag t ON pt.tag_id = t.id" + " LEFT OUTER JOIN comment c ON c.post_id = p.id" + " WHERE p.id = ?");
    final ParameterMap parameterMap = new ParameterMap.Builder(config, "defaultParameterMap", Author.class, new ArrayList<ParameterMapping>() {

        {
            add(new ParameterMapping.Builder(config, "id", registry.getTypeHandler(int.class)).build());
        }
    }).build();
    final ResultMap tagResultMap = new ResultMap.Builder(config, "tagResultMap", Tag.class, new ArrayList<ResultMapping>() {

        {
            add(new ResultMapping.Builder(config, "id", "tag_id", registry.getTypeHandler(int.class)).flags(new ArrayList<ResultFlag>() {

                {
                    add(ResultFlag.ID);
                }
            }).build());
            add(new ResultMapping.Builder(config, "name", "tag_name", registry.getTypeHandler(String.class)).build());
        }
    }).build();
    final ResultMap commentResultMap = new ResultMap.Builder(config, "commentResultMap", Comment.class, new ArrayList<ResultMapping>() {

        {
            add(new ResultMapping.Builder(config, "id", "comment_id", registry.getTypeHandler(int.class)).flags(new ArrayList<ResultFlag>() {

                {
                    add(ResultFlag.ID);
                }
            }).build());
            add(new ResultMapping.Builder(config, "name", "comment_name", registry.getTypeHandler(String.class)).build());
            add(new ResultMapping.Builder(config, "comment", "comment", registry.getTypeHandler(String.class)).build());
        }
    }).build();
    config.addResultMap(tagResultMap);
    config.addResultMap(commentResultMap);
    final ResultMap postResultMap = new ResultMap.Builder(config, "", Post.class, new ArrayList<ResultMapping>() {

        {
            add(new ResultMapping.Builder(config, "id", "id", registry.getTypeHandler(int.class)).flags(new ArrayList<ResultFlag>() {

                {
                    add(ResultFlag.ID);
                }
            }).build());
            add(new ResultMapping.Builder(config, "blog", "blog_id", registry.getTypeHandler(int.class)).javaType(Blog.class).nestedQueryId("selectBlogById").build());
            add(new ResultMapping.Builder(config, "createdOn", "created_on", registry.getTypeHandler(Date.class)).build());
            add(new ResultMapping.Builder(config, "section", "section", registry.getTypeHandler(Section.class)).build());
            add(new ResultMapping.Builder(config, "subject", "subject", registry.getTypeHandler(String.class)).build());
            add(new ResultMapping.Builder(config, "body", "body", registry.getTypeHandler(String.class)).build());
            add(new ResultMapping.Builder(config, "tags").nestedResultMapId(tagResultMap.getId()).build());
            add(new ResultMapping.Builder(config, "comments").nestedResultMapId(commentResultMap.getId()).build());
        }
    }).build();
    return new MappedStatement.Builder(config, "selectPostsForBlog", sqlSource, SqlCommandType.SELECT).parameterMap(parameterMap).resultMaps(new ArrayList<ResultMap>() {

        {
            add(postResultMap);
        }
    }).build();
}

Example 28 with ResultMapping

use of org.apache.ibatis.mapping.ResultMapping in project mybatis-3 by mybatis.

the class ExecutorTestHelper method prepareSelectPostsForBlogMappedStatement.

public static MappedStatement prepareSelectPostsForBlogMappedStatement(final Configuration config) {
    final TypeHandlerRegistry registry = config.getTypeHandlerRegistry();
    final SqlSource sqlSource = new StaticSqlSource(config, "SELECT p.id, p.created_on, p.blog_id, p.section, p.subject, p.body, pt.tag_id," + " t.name as tag_name, c.id as comment_id, c.name as comment_name, c.comment" + " FROM post p" + " INNER JOIN post_tag pt ON pt.post_id = p.id" + " INNER JOIN tag t ON pt.tag_id = t.id" + " LEFT OUTER JOIN comment c ON c.post_id = p.id" + " WHERE p.blog_id = ?");
    final ParameterMap parameterMap = new ParameterMap.Builder(config, "defaultParameterMap", Author.class, new ArrayList<ParameterMapping>() {

        {
            add(new ParameterMapping.Builder(config, "id", registry.getTypeHandler(int.class)).build());
        }
    }).build();
    final ResultMap tagResultMap = new ResultMap.Builder(config, "tagResultMap", Tag.class, new ArrayList<ResultMapping>() {

        {
            add(new ResultMapping.Builder(config, "id", "tag_id", registry.getTypeHandler(int.class)).flags(new ArrayList<ResultFlag>() {

                {
                    add(ResultFlag.ID);
                }
            }).build());
            add(new ResultMapping.Builder(config, "name", "tag_name", registry.getTypeHandler(String.class)).build());
        }
    }).build();
    final ResultMap commentResultMap = new ResultMap.Builder(config, "commentResultMap", Comment.class, new ArrayList<ResultMapping>() {

        {
            add(new ResultMapping.Builder(config, "id", "comment_id", registry.getTypeHandler(int.class)).flags(new ArrayList<ResultFlag>() {

                {
                    add(ResultFlag.ID);
                }
            }).build());
            add(new ResultMapping.Builder(config, "name", "comment_name", registry.getTypeHandler(String.class)).build());
            add(new ResultMapping.Builder(config, "comment", "comment", registry.getTypeHandler(String.class)).build());
        }
    }).build();
    config.addResultMap(tagResultMap);
    config.addResultMap(commentResultMap);
    final ResultMap postResultMap = new ResultMap.Builder(config, "defaultResultMap", Post.class, new ArrayList<ResultMapping>() {

        {
            add(new ResultMapping.Builder(config, "id", "id", registry.getTypeHandler(int.class)).flags(new ArrayList<ResultFlag>() {

                {
                    add(ResultFlag.ID);
                }
            }).build());
            add(new ResultMapping.Builder(config, "blog", "blog_id", registry.getTypeHandler(int.class)).javaType(Blog.class).nestedQueryId("selectBlogById").build());
            add(new ResultMapping.Builder(config, "createdOn", "created_on", registry.getTypeHandler(Date.class)).build());
            add(new ResultMapping.Builder(config, "section", "section", registry.getTypeHandler(Section.class)).build());
            add(new ResultMapping.Builder(config, "subject", "subject", registry.getTypeHandler(String.class)).build());
            add(new ResultMapping.Builder(config, "body", "body", registry.getTypeHandler(String.class)).build());
            add(new ResultMapping.Builder(config, "tags").nestedResultMapId(tagResultMap.getId()).build());
            add(new ResultMapping.Builder(config, "comments").nestedResultMapId(commentResultMap.getId()).build());
        }
    }).build();
    return new MappedStatement.Builder(config, "selectPostsForBlog", sqlSource, SqlCommandType.SELECT).parameterMap(parameterMap).resultMaps(new ArrayList<ResultMap>() {

        {
            add(postResultMap);
        }
    }).build();
}

Example 29 with ResultMapping

use of org.apache.ibatis.mapping.ResultMapping in project mybatis-3 by mybatis.

the class DefaultResultSetHandlerTest method shouldThrowExceptionWithColumnName.

@Test
public void shouldThrowExceptionWithColumnName() throws Exception {
    final MappedStatement ms = getMappedStatement();
    final RowBounds rowBounds = new RowBounds(0, 100);
    final DefaultResultSetHandler defaultResultSetHandler = new DefaultResultSetHandler(null, /*executor*/
    ms, null, /*parameterHandler*/
    null, /*resultHandler*/
    null, /*boundSql*/
    rowBounds);
    final ResultSetWrapper rsw = mock(ResultSetWrapper.class);
    when(rsw.getResultSet()).thenReturn(mock(ResultSet.class));
    final ResultMapping resultMapping = mock(ResultMapping.class);
    final TypeHandler typeHandler = mock(TypeHandler.class);
    when(resultMapping.getColumn()).thenReturn("column");
    when(resultMapping.getTypeHandler()).thenReturn(typeHandler);
    when(typeHandler.getResult(any(ResultSet.class), any(String.class))).thenThrow(new SQLException("exception"));
    List<ResultMapping> constructorMappings = Collections.singletonList(resultMapping);
    try {
        defaultResultSetHandler.createParameterizedResultObject(rsw, null, /*resultType*/
        constructorMappings, null, /*constructorArgTypes*/
        null, /*constructorArgs*/
        null);
        Assert.fail("Should have thrown ExecutorException");
    } catch (Exception e) {
        Assert.assertTrue("Expected ExecutorException", e instanceof ExecutorException);
        Assert.assertTrue("", e.getMessage().contains("mapping: " + resultMapping.toString()));
    }
}