Sample JSON
[
{
"id": "1",
"products": [
{
"id": "333",
"status": "Active"
},
{
"id": "222",
"status": "Inactive"
},
{
"id": "111",
"status": "Active"
}
]
},
{
"id": "2",
"products": [
{
"id": "6",
"status": "Active"
},
{
"id": "7",
"status": "Inactive"
}
]
}
]
I want to retrieve list of objects that have at least one active product.
Below code returns list of products but I want a list of ProdcutResponse
. Any way to do this?
response.stream()
.map(ProductResponse::getProducts)
.filter(s -> "Active".equals(s.getType()))
.collect(Collectors.toList())
Because you didn't show much code, this will be a shot in the dark. My main suggestion would be to not map the Stream<ProductResponse>
to a Stream<List<Product>>
before collecting it to a list:
response.stream()
.filter(pr -> pr.getProducts().stream().anyMatch(s -> "Active".equals(s.getType())))
.collect(Collectors.toList());
You can change anyMatch
to allMatch
if you want the List<ProductResponse>
to contain onlyProduct
s with active types (whatever that means).
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