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Support request scoped beans and stateless views in op:dataTable
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41 changes: 41 additions & 0 deletions
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src/main/java/org/omnifaces/optimusfaces/component/ExtendedDataTable.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
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| /* | ||
| * Copyright 2020 OmniFaces | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with | ||
| * the License. You may obtain a copy of the License at | ||
| * | ||
| * https://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on | ||
| * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the | ||
| * specific language governing permissions and limitations under the License. | ||
| */ | ||
| package org.omnifaces.optimusfaces.component; | ||
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| import javax.faces.context.FacesContext; | ||
| import javax.faces.model.DataModel; | ||
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| import org.omnifaces.optimusfaces.model.LazyPagedDataModel; | ||
| import org.primefaces.component.datatable.DataTable; | ||
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| /** | ||
| * <p> | ||
| * This extended data table is already automatically registered via our <code>faces-config.xml</code>. | ||
| * This will preload lazy loaded model for decode against a request scoped bean or a stateless view. | ||
| */ | ||
| public class ExtendedDataTable extends DataTable { | ||
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| @Override | ||
| protected void preDecode(FacesContext context) { | ||
| if (context.isPostback() && isLazy()) { | ||
| DataModel<?> model = getDataModel(); | ||
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| if (model instanceof LazyPagedDataModel && model.getWrappedData() == null) { | ||
| ((LazyPagedDataModel<?>) model).preloadPage(context, this); | ||
| } | ||
| } | ||
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| super.preDecode(context); | ||
| } | ||
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| } |
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42 changes: 42 additions & 0 deletions
42
src/test/java/org/omnifaces/optimusfaces/test/view/OptimusFacesITLazyStatelessBean.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,42 @@ | ||
| /* | ||
| * Copyright 2020 OmniFaces | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with | ||
| * the License. You may obtain a copy of the License at | ||
| * | ||
| * https://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on | ||
| * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the | ||
| * specific language governing permissions and limitations under the License. | ||
| */ | ||
| package org.omnifaces.optimusfaces.test.view; | ||
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| import javax.annotation.PostConstruct; | ||
| import javax.enterprise.context.RequestScoped; | ||
| import javax.inject.Inject; | ||
| import javax.inject.Named; | ||
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| import org.omnifaces.optimusfaces.model.PagedDataModel; | ||
| import org.omnifaces.optimusfaces.test.model.Person; | ||
| import org.omnifaces.optimusfaces.test.service.PersonService; | ||
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| @Named | ||
| @RequestScoped | ||
| public class OptimusFacesITLazyStatelessBean { | ||
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| private PagedDataModel<Person> lazyPersons; | ||
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| @Inject | ||
| private PersonService personService; | ||
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| @PostConstruct | ||
| public void init() { | ||
| lazyPersons = PagedDataModel.lazy(personService).build(); | ||
| } | ||
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| public PagedDataModel<Person> getLazyPersons() { | ||
| return lazyPersons; | ||
| } | ||
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| } |
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