如何配置 FileEntityStoreService

Question

我正在尝试使用 File EntityStore，但由于切片为零，所以在激活时出现异常。

我认为这是配置问题，但我预计默认值为 1。

我缩小到这个程序集：

import org.apache.polygene.api.common.Visibility;
import org.apache.polygene.api.structure.Application;
import org.apache.polygene.bootstrap.Energy4Java;
import org.apache.polygene.entitystore.file.assembly.FileEntityStoreAssembler;
import org.apache.polygene.index.rdf.assembly.RdfNativeSesameStoreAssembler;
import org.apache.polygene.library.fileconfig.FileConfigurationAssembler;

public class FileStoreException {
    public static void main(String[] args) throws Exception {
        Energy4Java polygene = new Energy4Java();
        Application application = polygene.newApplication(factory -> factory.newApplicationAssembly(
                module -> {
                    new FileConfigurationAssembler()
                            .visibleIn(Visibility.application)
                            .assemble(module);

                    new FileEntityStoreAssembler()
                            .withConfig(module, Visibility.application)
                            .assemble(module);

                    new RdfNativeSesameStoreAssembler()
                            .withConfig(module, Visibility.application)
                            .assemble(module);

                    module.defaultServices();
                })
        );
        application.activate();
    }
}

堆栈跟踪结束：

Caused by: java.lang.ArithmeticException: / by zero
    at method "get" of FileEntityStoreService:FileEntityStoreService in module [Module 1] of layer [Layer 1].(:0)
    at org.apache.polygene.entitystore.file.FileEntityStoreMixin.getDataFile(FileEntityStoreMixin.java:277)
    at org.apache.polygene.entitystore.file.FileEntityStoreMixin.getDataFile(FileEntityStoreMixin.java:328)
    at org.apache.polygene.entitystore.file.FileEntityStoreMixin.get(FileEntityStoreMixin.java:138)
    at org.apache.polygene.spi.entitystore.helpers.JSONMapEntityStoreMixin.entityStateOf(JSONMapEntityStoreMixin.java:193)
    ... 14 more

我使用的是 3.0.0 版并且我在 linux。

Answer 1

添加 FileConfigurationAssembler 让我误以为我的配置已经完成。

我努力寻找使用 FileEntityStoreAssembler 的程序集的工作示例，所以这里有一个：

Application application = polygene.newApplication(factory -> factory.newApplicationAssembly(
        module -> {
            ModuleAssembly config = module.layer().module("Config");
            config.defaultServices();
            new MemoryEntityStoreAssembler().assemble(config);

            config.entities(FileEntityStoreConfiguration.class);
            new FileEntityStoreAssembler()
                    .withConfig(config, Visibility.application)
                    .assemble(module);


            new RdfNativeSesameStoreAssembler()
                    .withConfig(config, Visibility.application)
                    .assemble(module);

            module.defaultServices();
        })
);

并配置它：

config.forMixin(FileEntityStoreConfiguration.class)
        .declareDefaults()
        .directory().set("/home/user/appdata/");

如何配置 FileEntityStoreService

how to configure a FileEntityStoreService

apache-zest