package org.simantics.db.layer0.variable;

import java.util.Map;

import org.simantics.db.ReadGraph;
import org.simantics.db.exception.DatabaseException;

public interface VariableMap {
    Variable getVariable(ReadGraph graph, Variable context, String name) throws DatabaseException;
    // Must not modify collection in any way not possible with put-method.
    Map<String, Variable> getVariables(ReadGraph graph, Variable context, Map<String, Variable> map) throws DatabaseException;
    Map<String, Variable> getVariables(ReadGraph graph, Variable context, String classification, Map<String, Variable> map) throws DatabaseException;
}