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CachingOperationReader.java
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CachingOperationReader.java
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/*
*
* Copyright 2015 the original author or authors.
*
* 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
*
* http://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 springfox.documentation.spring.web.scanners;
import com.google.common.base.Equivalence;
import com.google.common.cache.CacheBuilder;
import com.google.common.cache.CacheLoader;
import com.google.common.cache.LoadingCache;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.stereotype.Component;
import springfox.documentation.service.Operation;
import springfox.documentation.spi.service.contexts.RequestMappingContext;
import springfox.documentation.spring.web.OperationCachingEquivalence;
import springfox.documentation.spring.web.readers.operation.OperationReader;
import java.util.List;
import java.util.concurrent.TimeUnit;
@Component
@Qualifier("cachedOperations")
public class CachingOperationReader implements OperationReader {
private final LoadingCache<Equivalence.Wrapper<RequestMappingContext>, List<Operation>> cache;
@Autowired
public CachingOperationReader(@Qualifier("default") final OperationReader delegate) {
cache = CacheBuilder.newBuilder()
.maximumSize(1000)
.expireAfterWrite(24, TimeUnit.HOURS)
.build(
new CacheLoader<Equivalence.Wrapper<RequestMappingContext>, List<Operation>>() {
public List<Operation> load(Equivalence.Wrapper<RequestMappingContext> key) {
return delegate.read(key.get());
}
});
}
@Override
public List<Operation> read(RequestMappingContext outerContext) {
return cache.getUnchecked(new OperationCachingEquivalence().wrap(outerContext));
}
}