@Test public void withExpansionPathDemo() throws Exception { final ProductProjectionByIdGet fetch = ProductProjectionByIdGet.of("id", ProductProjectionType.CURRENT) .withExpansionPaths(ProductProjectionExpansionModel.of().categories()); assertThat(fetch.expansionPaths()) .isEqualTo(asList(ExpansionPath.of("categories[*]"))); final ProductProjectionByIdGet fetch2 = fetch.withExpansionPaths(ProductProjectionExpansionModel.of().productType()); assertThat(fetch.expansionPaths()).overridingErrorMessage("old object is unchanged") .isEqualTo(asList(ExpansionPath.of("categories[*]"))); assertThat(fetch2.expansionPaths()).isEqualTo(asList(ExpansionPath.of("productType"))); assertThat(fetch2).isNotSameAs(fetch); }
@Test public void withExpansionPathDslDemo() throws Exception { final ProductProjectionByIdGet fetch = ProductProjectionByIdGet.of("id", ProductProjectionType.CURRENT) .plusExpansionPaths(ProductProjectionExpansionModel.of().categories()); assertThat(fetch.expansionPaths()) .isEqualTo(asList(ExpansionPath.of("categories[*]"))); final ProductProjectionByIdGet fetch2 = fetch.withExpansionPaths(m -> m.productType()); assertThat(fetch.expansionPaths()).overridingErrorMessage("old object is unchanged") .isEqualTo(asList(ExpansionPath.of("categories[*]"))); assertThat(fetch2.expansionPaths()).isEqualTo(asList(ExpansionPath.of("productType"))); assertThat(fetch2).isNotSameAs(fetch); }
@Test public void expandCategoriesDemo() throws Exception { final ProductProjectionByIdGet fetch1 = ProductProjectionByIdGet.of("id", ProductProjectionType.CURRENT) .plusExpansionPaths(m -> m.categories()); assertThat(fetch1.expansionPaths()) .isEqualTo(asList(ExpansionPath.of("categories[*]"))); final ProductProjectionByIdGet fetch2 = fetch1.plusExpansionPaths(m -> m.productType()); assertThat(fetch2.expansionPaths()) .isEqualTo(asList(ExpansionPath.of("categories[*]"), ExpansionPath.of("productType"))) .isEqualTo(listOf(fetch1.expansionPaths(), ExpansionPath.of("productType"))); //this is equivalent to final ExpansionPath<ProductProjection> categoryExpand = ProductProjectionExpansionModel.of().categories().expansionPaths().get(0); final ExpansionPath<ProductProjection> productTypeExpand = ProductProjectionExpansionModel.of().productType().expansionPaths().get(0); final ProductProjectionByIdGet fetchB = ProductProjectionByIdGet.of("id", ProductProjectionType.CURRENT) .withExpansionPaths(asList(categoryExpand, productTypeExpand)); assertThat(fetchB.expansionPaths()) .isEqualTo(asList(ExpansionPath.of("categories[*]"), ExpansionPath.of("productType"))); }