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/*
* Copyright (c) 2016 Cisco 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.honeycomb.benchmark.util;
import com.google.common.base.Optional;
import io.fd.honeycomb.translate.read.ReadContext;
import io.fd.honeycomb.translate.read.ReadFailedException;
import io.fd.honeycomb.translate.read.Reader;
import javax.annotation.Nonnull;
import javax.annotation.concurrent.NotThreadSafe;
import org.opendaylight.yangtools.concepts.Builder;
import org.opendaylight.yangtools.yang.binding.DataObject;
import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
/**
* Statically preconfigured reader.
*/
@NotThreadSafe
public final class StaticReader<T extends DataObject, B extends Builder<T>> implements Reader<T, B> {
private final InstanceIdentifier<T> id;
private final DataProvider data;
private long counter = 0;
public StaticReader(final InstanceIdentifier<T> id, final DataProvider data) {
this.id = id;
this.data = data;
}
@Nonnull
@Override
public InstanceIdentifier<T> getManagedDataObjectType() {
return id;
}
@Override
public String toString() {
return "NoopReader{" +
id.getTargetType().getSimpleName() +
", counter=" + counter +
'}';
}
@Override
public boolean isPresent(final InstanceIdentifier<T> id, final T built, final ReadContext ctx) {
return true;
}
@Nonnull
@Override
public Optional<? extends DataObject> read(@Nonnull final InstanceIdentifier<? extends DataObject> id,
@Nonnull final ReadContext ctx) throws ReadFailedException {
counter++;
return Optional.of(data.getData(counter));
}
@Override
public void readCurrentAttributes(@Nonnull final InstanceIdentifier<T> id, @Nonnull final B builder,
@Nonnull final ReadContext ctx)
throws ReadFailedException {
throw new UnsupportedOperationException("No read current attrs!");
}
@Nonnull
@Override
public B getBuilder(final InstanceIdentifier<T> id) {
throw new UnsupportedOperationException("No builder!");
}
@Override
public void merge(@Nonnull final Builder<? extends DataObject> parentBuilder, @Nonnull final T readValue) {
throw new UnsupportedOperationException("No merge!");
}
}
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