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package graphql.schema;


import graphql.execution.ExecutionContext;
import graphql.execution.ExecutionId;
import graphql.language.Field;
import graphql.language.FragmentDefinition;

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

@SuppressWarnings("unchecked")
public class DataFetchingEnvironmentImpl implements DataFetchingEnvironment {
    private final Object source;
    private final Map arguments;
    private final Object context;
    private final List fields;
    private final GraphQLOutputType fieldType;
    private final GraphQLType parentType;
    private final GraphQLSchema graphQLSchema;
    private Map fragmentsByName;
    private ExecutionId executionId;

    public DataFetchingEnvironmentImpl(Object source, Map arguments, List fields, GraphQLOutputType fieldType, GraphQLType parentType, ExecutionContext executionContext) {
        this(source, arguments, executionContext.getRoot(), fields, fieldType, parentType, executionContext.getGraphQLSchema(), executionContext.getFragmentsByName(), executionContext.getExecutionId());
    }

    public DataFetchingEnvironmentImpl(Object source, Map arguments, Object context, List fields, GraphQLOutputType fieldType, GraphQLType parentType, GraphQLSchema graphQLSchema, Map fragmentsByName, ExecutionId executionId) {
        this.source = source;
        this.arguments = arguments;
        this.context = context;
        this.fields = fields;
        this.fieldType = fieldType;
        this.parentType = parentType;
        this.graphQLSchema = graphQLSchema;
        this.fragmentsByName = fragmentsByName;
        this.executionId = executionId;
    }

    @Override
    public  T getSource() {
        return (T) source;
    }

    @Override
    public Map getArguments() {
        return arguments;
    }

    @Override
    public boolean containsArgument(String name) {
        return arguments.containsKey(name);
    }

    @Override
    public  T getArgument(String name) {
        return (T) arguments.get(name);
    }

    @Override
    public  T  getContext() {
        return (T) context;
    }

    @Override
    public List getFields() {
        return fields;
    }

    @Override
    public GraphQLOutputType getFieldType() {
        return fieldType;
    }

    @Override
    public GraphQLType getParentType() {
        return parentType;
    }

    @Override
    public GraphQLSchema getGraphQLSchema() {
        return graphQLSchema;
    }

    @Override
    public Map getFragmentsByName() {
        return fragmentsByName;
    }

    @Override
    public ExecutionId getExecutionId() {
        return executionId;
    }
}