Breeze 使用dataproperties数组的addentitytype不工作

Breeze 使用dataproperties数组的addentitytype不工作,breeze,Breeze,我正在和breeze一起玩打字脚本。我正在尝试使用以下typescript代码创建类型: var eto = <breeze.EntityTypeOptions>new Object(); eto.shortName = "type1"; eto.namespace = "mod1"; eto.dataProperties = new Array(); eto.autoGeneratedKeyType = breeze.AutoGeneratedKeyT

我正在和breeze一起玩打字脚本。我正在尝试使用以下typescript代码创建类型:

   var eto = <breeze.EntityTypeOptions>new Object();
   eto.shortName = "type1";
   eto.namespace = "mod1";
   eto.dataProperties = new Array();
   eto.autoGeneratedKeyType = breeze.AutoGeneratedKeyType.Identity;

   var dpo = <breeze.DataPropertyOptions>new Object();
   dpo.name = "id";
   dpo.dataType = breeze.DataType.Int32;
   dpo.isNullable = false;
   dpo.isPartOfKey = true;

   var dp = new breeze.DataProperty(dpo);
   eto.dataProperties.push(dp);

   dpo = <breeze.DataPropertyOptions>new Object();
   dpo.name = "prop1";
   dpo.dataType = breeze.DataType.Int32;
   dpo.isNullable = false;
   dpo.isPartOfKey = false;

   dp = new breeze.DataProperty(dpo);
   eto.dataProperties.push(dp);            

   var et = new breeze.EntityType(eto);
   store.addEntityType(et);
   store.registerEntityTypeCtor(et.shortName, type1);
当“dataProperties”是一个数组(如上所述)而不是一个对象时,似乎会出现问题。。。我是一个javascript新手,所以我怀疑我做错了什么。。。但我怀疑breeze的代码如下,特别是第行:

            propObj.forEach(entityType.addProperty);
将永远不会工作,因为addProperty方法的实现使用了“this”上下文。。。同样,我可能错了,如果有人能帮我一把,我将不胜感激。多谢各位

    // Used by both ComplexType and EntityType
    function addProperties(entityType, propObj, ctor) {

        if (!propObj) return;
        if (Array.isArray(propObj)) {
            propObj.forEach(entityType.addProperty);
        } else if (typeof (propObj) === 'object') {
            for (var key in propObj) {
                if (__hasOwnProperty(propObj, key)) {
                    var value = propObj[key];
                    value.name = key;
                    var prop = new ctor(value);
                    entityType.addProperty(prop);
                }
            }
        } else {
            throw new Error("The 'dataProperties' or 'navigationProperties' values must         be either an array of data/nav properties or an object where each property defines a data/nav property");
        }
    }

编辑:从第1.3.5版开始,该问题已得到解决,现在可用


好的,这是一个bug,将在今天晚些时候或明天发布的版本中修复。。。。感谢您的发现和报告。:)

与此同时,有一个简单的解决办法。只需在添加属性之前创建EntityType。i、 (使用原始js而不是TypeScript,但你会明白的)

    // Used by both ComplexType and EntityType
    function addProperties(entityType, propObj, ctor) {

        if (!propObj) return;
        if (Array.isArray(propObj)) {
            propObj.forEach(entityType.addProperty);
        } else if (typeof (propObj) === 'object') {
            for (var key in propObj) {
                if (__hasOwnProperty(propObj, key)) {
                    var value = propObj[key];
                    value.name = key;
                    var prop = new ctor(value);
                    entityType.addProperty(prop);
                }
            }
        } else {
            throw new Error("The 'dataProperties' or 'navigationProperties' values must         be either an array of data/nav properties or an object where each property defines a data/nav property");
        }
    }
    var eto = {}
    eto.shortName = "type1";
    eto.namespace = "mod1";
    eto.dataProperties = new Array();
    eto.autoGeneratedKeyType = breeze.AutoGeneratedKeyType.Identity;
    var et = new breeze.EntityType(eto);

    var dpo = {};
    dpo.name = "id";
    dpo.dataType = breeze.DataType.Int32;
    dpo.isNullable = false;
    dpo.isPartOfKey = true;

    var dp = new breeze.DataProperty(dpo);
    et.addProperty(dp);

    dpo = {};
    dpo.name = "prop1";
    dpo.dataType = breeze.DataType.Int32;
    dpo.isNullable = false;
    dpo.isPartOfKey = false;

    dp = new breeze.DataProperty(dpo);
    et.addProperty(dp);

    store.addEntityType(et);