removeRelationship(/* index, id, instance or sourceId, targetId */) {
const me = this;
const args = lang.toArray(arguments);
let relationship;
if (args.length === 1) {
relationship = args[0];
if (!(relationship instanceof Relationship)) {
if (lang.isNumber(relationship)) {
relationship = me.relationships[relationship];
} else if (lang.isString(relationship)) {
relationship = me.relationshipById[relationship];
}
}
} else {
const sourceId = args[0];
const targetId = args[1];
const attrs = {};
attrs[CONST.ATTR_END1] = sourceId;
attrs[CONST.ATTR_END2] = targetId;
const relationshipNode = utils.findChildNode(me.relationshipsNode, {
tagName: CONST.TAG_RELATIONSHIP,
attributes: attrs,
});
if (relationshipNode) relationship = me.relationshipById[relationshipNode.getAttribute(CONST.ATTR_ID)];
}
if (relationship) {
delete me.relationshipById[relationship.id];
me.relationships = lang.difference(me.relationships, [relationship]);
relationship.destroy();
return me.setModifiedTime();
}
return me;
}
function declare(/* name, superClasses, protoObj */) {
const args = lang.toArray(arguments);
const lin = '_linearization';
const Tmp = function Tmp() {};
const name = lang.isString(args[0]) ? args.shift() : '';
let superClasses = lang.isArray(args[0]) || lang.isFunction(args[0]) ? args.shift() : [];
superClasses = lang.isArray(superClasses) ? superClasses : [superClasses];
const finalProtoObj = args[0] ? args.shift() : {};
let bases = [];
lang.each(superClasses, (clazz) => {
clazz[lin] = clazz[lin] || [clazz];
bases.push(clazz[lin]);
});
if (bases.length) {
bases.push(superClasses);
bases = c3mroMerge.apply(null, bases);
}
let ctor = function ctor() {};
const tempConstructor = finalProtoObj.constructor;
if (tempConstructor !== Object.prototype.constructor) {
ctor = tempConstructor;
}
ctor[lin] = [ctor].concat(bases);
ctor.parents = lang.toArray(bases);
let protoObj = {};
let uberClass;
while ((uberClass = bases.pop())) {
protoObj = lang.extend(protoObj, uberClass.prototype);
Tmp.prototype = protoObj;
protoObj.constructor = uberClass;
protoObj = new Tmp();
}
ctor.className = name;
ctor.prototype = protoObj;
ctor.prototype.constructor = ctor;
lang.extend(ctor.prototype, finalProtoObj);
return ctor;
}