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• SimpleExecutionStrategy.java

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graphql.execution.SimpleExecutionStrategy Maven / Gradle / Ivy

package graphql.execution;

import graphql.ExecutionResult;
import graphql.ExecutionResultImpl;
import graphql.language.Field;
import graphql.schema.GraphQLObjectType;

import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;

public class SimpleExecutionStrategy extends ExecutionStrategy {
    @Override
    public ExecutionResult execute(ExecutionContext executionContext, GraphQLObjectType parentType, Object source, Map> fields) {
        Map results = new LinkedHashMap();
        for (String fieldName : fields.keySet()) {
            List fieldList = fields.get(fieldName);
            ExecutionResult resolvedResult = resolveField(executionContext, parentType, source, fieldList);

            results.put(fieldName, resolvedResult != null ? resolvedResult.getData() : null);
        }
        return new ExecutionResultImpl(results, executionContext.getErrors());
    }
}