com.fleetpin.graphql.aws.lambda.InterceptExecutionStrategy Maven / Gradle / Ivy

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/*
 * 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 com.fleetpin.graphql.aws.lambda;

import java.util.ArrayList;
import java.util.concurrent.CompletableFuture;

import graphql.ExecutionResult;
import graphql.ExecutionResultImpl;
import graphql.execution.ExecutionContext;
import graphql.execution.ExecutionStrategy;
import graphql.execution.ExecutionStrategyParameters;
import graphql.execution.NonNullableFieldWasNullException;

public class InterceptExecutionStrategy extends ExecutionStrategy {

	@Override
	public CompletableFuture execute(ExecutionContext executionContext, ExecutionStrategyParameters parameters) throws NonNullableFieldWasNullException {
		String subscription = parameters.getFields().getKeys().get(0);
		return CompletableFuture.completedFuture(new ExecutionResultImpl(subscription, new ArrayList<>())); 
	}

}