graphql-java/src/main/java/graphql/ExecutionResultImpl.java at master · feifeiq/graphql-java · GitHub

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package graphql;

import java.util.ArrayList;

import java.util.Collections;

import java.util.LinkedHashMap;

import java.util.List;

import java.util.Map;

@Internal

public class ExecutionResultImpl implements ExecutionResult {

private final List<GraphQLError> errors = new ArrayList<>();

private final Object data;

private final transient boolean dataPresent;

public ExecutionResultImpl(GraphQLError error) {

this(false, null, Collections.singletonList(error));

}

public ExecutionResultImpl(List<? extends GraphQLError> errors) {

this(false, null, errors);

}

public ExecutionResultImpl(Object data, List<? extends GraphQLError> errors) {

this(true, data, errors);

}

private ExecutionResultImpl(boolean dataPresent, Object data, List<? extends GraphQLError> errors) {

this.dataPresent = dataPresent;

this.data = data;

if (errors != null && !errors.isEmpty()) {

this.errors.addAll(errors);

}

@Override

public <T> T getData() {

//noinspection unchecked

return (T) data;

}

@Override

public List<GraphQLError> getErrors() {

return new ArrayList<>(errors);

}

@Override

public Map<String, Object> toSpecification() {

Map<String, Object> result = new LinkedHashMap<>();

if (dataPresent) {

result.put("data", data);

}

if (errors != null && !errors.isEmpty()) {

result.put("errors", errors);

}

return result;

}

graphql-java/src/main/java/graphql/ExecutionResultImpl.java at master · feifeiq/graphql-java · GitHub

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