dyDeliver/conf/script/1000/commons/GroovyExtensions.groovy

import com.dderp.common.entity.order.OrderPart
import com.dderp.common.entity.order.OrderPartParamValue
import com.dderp.common.entity.product.PartParameter
import com.dderp.common.entity.product.ProductInfo
import org.apache.commons.lang3.StringUtils

class GroovyExtensions {

    static void apply() {
        List.metaClass {
            findQuotedElement = { Map<String, String> conditions ->
                delegate.find { element ->
                    conditions.every { condition, value -> element[condition] == value }
                }
            }

            findQuotedElements = { Map<String, String> conditions ->
                delegate.findAll { element ->
                    conditions.every { condition, value -> element[condition] == value }
                }
            }
        }

        //下面的代码参考官网的元编程
        OrderPart.metaClass {
            quoteProduct = { ProductInfo product ->
                delegate.metaClass.@"$product" = product
                return delegate
            }

            quoteParameter = {String paramName ->
                def orderPart = delegate as OrderPart

                def productInfo = delegate.product as ProductInfo
                def partInfo = productInfo.findPartInfo(orderPart.idPart)

                PartParameter partParameter = partInfo.parameterList.find {(it.productParameter != null) && (StringUtils.equalsIgnoreCase(it.productParameter.parameterName, paramName)) }
                if (partParameter == null) {
                    return null
                }

                OrderPartParamValue orderPartParamValue = orderPart.paramValueList.find {it.idParameter == partParameter.idParameter}
                if (orderPartParamValue == null) {
                    return null
                }

                return orderPartParamValue
            }

            quoteParameterValue = {String paramName ->
                def orderPart = delegate as OrderPart

                OrderPartParamValue orderPartParamValue = orderPart.quoteParameter paramName
                if (orderPartParamValue == null) {
                    return null
                }

                return orderPartParamValue.paramValue
            }
        }
    }
}