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package graphql.execution;

import graphql.PublicApi;
import graphql.collect.ImmutableKit;
import graphql.collect.ImmutableMapWithNullValues;

import java.util.Map;

/**
 * Holds raw variables, which have not been coerced yet into {@link CoercedVariables}
 */
@PublicApi
public class RawVariables {
    private final ImmutableMapWithNullValues rawVariables;

    public RawVariables(Map rawVariables) {
        this.rawVariables = ImmutableMapWithNullValues.copyOf(rawVariables);
    }

    public Map toMap() {
        return rawVariables;
    }

    public boolean containsKey(String key) {
        return rawVariables.containsKey(key);
    }

    public Object get(String key) {
        return rawVariables.get(key);
    }

    public static RawVariables emptyVariables() {
        return RawVariables.of(ImmutableKit.emptyMap());
    }

    public static RawVariables of(Map rawVariables) {
        return new RawVariables(rawVariables);
    }
}