Example usage for org.apache.ibatis.mapping ParameterMapping.Builder resultMapId

Introduction

In this page you can find the example usage for org.apache.ibatis.mapping ParameterMapping.Builder resultMapId.

Prototype

String resultMapId

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Usage

From source file:com.ibatis.sqlmap.engine.builder.XmlSqlMapParser.java

License:Apache License

@NodeEvent("/sqlMap/parameterMap/parameter")
public void sqlMapparameterMapparameter(XNode context) throws Exception {
    String nullValue = context.getStringAttribute("nullValue");
    if (nullValue != null) {
        throw new UnsupportedOperationException("Null value subsitution is not supported by iBATIS 3.");
    }// w  w  w. j a  va  2  s  . c  o m

    String propertyName = context.getStringAttribute("property");
    String jdbcType = context.getStringAttribute("jdbcType");
    String javaType = context.getStringAttribute("javaType");
    String resultMap = context.getStringAttribute("resultMap");
    String mode = context.getStringAttribute("mode");
    String callback = context.getStringAttribute("typeHandler");
    String numericScaleProp = context.getStringAttribute("numericScale");

    Class javaClass = null;
    try {
        if (javaType != null && javaType.length() > 0) {
            javaClass = config.getTypeAliasRegistry().resolveAlias(javaType);
        }
    } catch (Exception e) {
        throw new RuntimeException("Error setting javaType on parameter mapping.  Cause: " + e);
    }

    JdbcType jdbcTypeEnum = null;
    if (jdbcType != null) {
        jdbcTypeEnum = JdbcType.valueOf(jdbcType);
    }

    TypeHandler typeHandler = null;
    if (javaClass != null) {
        typeHandler = config.getTypeHandlerRegistry().getTypeHandler(javaClass, jdbcTypeEnum);
    }
    if (callback != null) {
        Object o = config.getTypeAliasRegistry().resolveAlias(callback).newInstance();
        if (o instanceof TypeHandlerCallback) {
            typeHandler = new TypeHandlerCallbackAdapter((TypeHandlerCallback) o);
        }
    }
    if (typeHandler == null && config.getTypeHandlerRegistry().hasTypeHandler(parameterMapBuilder.type())) {
        typeHandler = config.getTypeHandlerRegistry().getTypeHandler(parameterMapBuilder.type());
    }
    if (typeHandler == null) {
        Class parameterClass = parameterMapBuilder.type();
        if (parameterClass != null && !Map.class.isAssignableFrom(parameterClass)) {
            MetaClass metaParamClass = MetaClass.forClass(parameterClass);
            Class paramType = null;
            if (metaParamClass.hasGetter(propertyName)) {
                paramType = metaParamClass.getGetterType(propertyName);
            } else if (metaParamClass.hasSetter(propertyName)) {
                paramType = metaParamClass.getSetterType(propertyName);
            }
            if (paramType != null) {
                typeHandler = config.getTypeHandlerRegistry().getTypeHandler(paramType);
            }
        } else {
            typeHandler = config.getTypeHandlerRegistry().getUnknownTypeHandler();
        }
    }

    ParameterMode paramModeEnum = ParameterMode.IN;
    if (mode != null) {
        paramModeEnum = ParameterMode.valueOf(mode);
    }

    Integer numericScale = null;
    if (numericScaleProp != null) {
        numericScale = new Integer(numericScaleProp);
    }

    ParameterMapping.Builder parameterMappingBuilder = new ParameterMapping.Builder(config, propertyName,
            typeHandler);
    parameterMappingBuilder.javaType(javaClass);
    parameterMappingBuilder.jdbcType(jdbcTypeEnum);
    parameterMappingBuilder.mode(paramModeEnum);
    parameterMappingBuilder.numericScale(numericScale);
    parameterMappingBuilder.resultMapId(resultMap);

    parameterMappingList.add(parameterMappingBuilder.build());
}

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