io.stargate.sgv2.graphql.schema.graphqlfirst.fetchers.deployed.FederatedEntity Maven / Gradle / Ivy
/*
* Copyright The Stargate 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 io.stargate.sgv2.graphql.schema.graphqlfirst.fetchers.deployed;
import io.stargate.sgv2.graphql.schema.graphqlfirst.processor.EntityModel;
import java.util.AbstractMap;
import java.util.Map;
import java.util.Set;
/**
* An entity returned by {@link FederatedEntityFetcher}.
*
* This is a thin wrapper around another map, we just need to add {@link #getTypeName()} to allow
* GraphQL to resolve the concrete type.
*/
public class FederatedEntity extends AbstractMap {
private final String typeName;
private final Map delegate;
private FederatedEntity(String typeName, Map delegate) {
this.typeName = typeName;
this.delegate = delegate;
}
public String getTypeName() {
return typeName;
}
@Override
public Set> entrySet() {
return delegate.entrySet();
}
@Override
public Object get(Object key) {
// We don't *have* to override this, but we can do better than the default implementation:
return delegate.get(key);
}
public static FederatedEntity wrap(EntityModel mappingModel, Map rawData) {
return rawData == null ? null : new FederatedEntity(mappingModel.getGraphqlName(), rawData);
}
}