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Cassandra support for Spring Data
/*
* Copyright 2022-2024 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
*
* 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.springframework.data.cassandra.aot;
import java.util.Arrays;
import java.util.List;
import org.springframework.aop.SpringProxy;
import org.springframework.aop.framework.Advised;
import org.springframework.aot.hint.MemberCategory;
import org.springframework.aot.hint.RuntimeHintsRegistrar;
import org.springframework.aot.hint.TypeReference;
import org.springframework.core.DecoratingProxy;
import org.springframework.data.cassandra.core.mapping.event.BeforeConvertCallback;
import org.springframework.data.cassandra.core.mapping.event.BeforeSaveCallback;
import org.springframework.data.cassandra.core.mapping.event.ReactiveBeforeConvertCallback;
import org.springframework.data.cassandra.core.mapping.event.ReactiveBeforeSaveCallback;
import org.springframework.data.cassandra.observability.CassandraObservationSupplier;
import org.springframework.data.cassandra.repository.support.SimpleCassandraRepository;
import org.springframework.data.cassandra.repository.support.SimpleReactiveCassandraRepository;
import org.springframework.data.util.ReactiveWrappers;
import org.springframework.lang.Nullable;
import org.springframework.util.ClassUtils;
import com.datastax.oss.driver.api.core.CqlSession;
import com.datastax.oss.driver.api.core.cql.BatchStatement;
import com.datastax.oss.driver.api.core.cql.BoundStatement;
import com.datastax.oss.driver.api.core.cql.PreparedStatement;
import com.datastax.oss.driver.api.core.cql.SimpleStatement;
import com.datastax.oss.driver.api.core.cql.Statement;
/**
* {@link RuntimeHintsRegistrar} for repository types and entity callbacks.
*
* @author Mark Paluch
* @since 4.0
*/
class CassandraRuntimeHints implements RuntimeHintsRegistrar {
private static final boolean PROJECT_REACTOR_PRESENT = ReactiveWrappers
.isAvailable(ReactiveWrappers.ReactiveLibrary.PROJECT_REACTOR);
private static final boolean OBSERVABILITY_PRESENT = ClassUtils
.isPresent("io.micrometer.observation.ObservationRegistry", CassandraRuntimeHints.class.getClassLoader());
@Override
public void registerHints(org.springframework.aot.hint.RuntimeHints hints, @Nullable ClassLoader classLoader) {
hints.reflection().registerTypes(Arrays.asList(TypeReference.of(SimpleCassandraRepository.class), //
TypeReference.of(BeforeConvertCallback.class), //
TypeReference.of(BeforeSaveCallback.class)),
builder -> builder.withMembers(MemberCategory.INVOKE_DECLARED_CONSTRUCTORS,
MemberCategory.INVOKE_PUBLIC_METHODS));
if (PROJECT_REACTOR_PRESENT) {
hints.reflection().registerTypes(Arrays.asList(TypeReference.of(SimpleReactiveCassandraRepository.class), //
TypeReference.of(ReactiveBeforeConvertCallback.class), //
TypeReference.of(ReactiveBeforeSaveCallback.class)),
builder -> builder.withMembers(MemberCategory.INVOKE_DECLARED_CONSTRUCTORS,
MemberCategory.INVOKE_PUBLIC_METHODS));
}
if (OBSERVABILITY_PRESENT) {
List> statementInterfaces = Arrays.asList(BatchStatement.class, PreparedStatement.class,
BoundStatement.class, SimpleStatement.class, Statement.class);
hints.reflection().registerTypes(statementInterfaces.stream().map(TypeReference::of).toList(), builder -> builder
.withMembers(MemberCategory.INTROSPECT_DECLARED_METHODS, MemberCategory.INVOKE_PUBLIC_METHODS));
hints.reflection().registerTypes(List.of(TypeReference.of(CassandraObservationSupplier.class)), builder -> builder
.withMembers(MemberCategory.INVOKE_DECLARED_CONSTRUCTORS, MemberCategory.INVOKE_PUBLIC_METHODS));
for (Class statementInterface : statementInterfaces) {
hints.proxies().registerJdkProxy(statementInterface, CassandraObservationSupplier.class, SpringProxy.class,
Advised.class, DecoratingProxy.class);
}
hints.proxies().registerJdkProxy(CqlSession.class, SpringProxy.class, Advised.class, DecoratingProxy.class);
Class observationDecorated;
try {
observationDecorated = Class.forName(
"org.springframework.data.cassandra.observability.CqlSessionObservationInterceptor.ObservationDecoratedProxy",
false, classLoader);
} catch (Exception e) {
observationDecorated = null;
}
if (observationDecorated != null) {
hints.proxies().registerJdkProxy(CqlSession.class, SpringProxy.class, Advised.class, DecoratingProxy.class,
observationDecorated);
}
}
}
}