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/*
* Copyright (c) 2018 Bell Canada, Pantheon Technologies and/or its affiliates.
*
* 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 io.fd.hc2vpp.srv6.util.function;
import static com.google.common.base.Preconditions.checkNotNull;
import io.fd.hc2vpp.srv6.write.sid.request.LocalSidFunctionRequest;
import java.util.ArrayList;
import java.util.List;
import javax.annotation.Nonnull;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
abstract class LocalSidFunctionBindingRegistry<T extends LocalSidFunctionRequest> {
private static final Logger LOG = LoggerFactory.getLogger(LocalSidFunctionBindingRegistry.class);
final List<LocalSidFunctionWriteBinder<T>> wBinders;
final List<LocalSidFunctionReadBinder> rBinders;
LocalSidFunctionBindingRegistry() {
wBinders = new ArrayList<>();
rBinders = new ArrayList<>();
}
@SuppressWarnings("unchecked")
public void registerWriteFunctionType(@Nonnull final LocalSidFunctionWriteBinder binder) {
checkNotNull(binder, "Cannot register null binder");
if (!isFunctionRegistered(binder)) {
wBinders.add(binder);
} else {
LOG.warn("Binder for class already registered. Canceling registration for {}.", binder);
}
}
private boolean isFunctionRegistered(@Nonnull final LocalSidFunctionWriteBinder binder) {
return wBinders.stream().parallel().anyMatch(locBinder -> locBinder.getClass().equals(binder.getClass()));
}
@SuppressWarnings("unchecked")
public void registerReadFunctionType(@Nonnull final LocalSidFunctionReadBinder binder) {
checkNotNull(binder, "Cannot register null binder");
if (!isFunctionRegistered(binder)) {
rBinders.add(binder);
} else {
LOG.warn("Binder for class already registered. Canceling registration for {}.", binder);
}
}
private boolean isFunctionRegistered(@Nonnull final LocalSidFunctionReadBinder binder) {
return rBinders.stream().parallel().anyMatch(locBinder -> locBinder.getClass().equals(binder.getClass()));
}
}
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