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package info.bliki.wiki.template.expr.operator;


public abstract class Operator {
    protected String fFunctionName;

    protected String fOperatorString;

    protected int fPrecedence;

    public Operator(final String oper, final String functionName, final int precedence) {
        fOperatorString = oper;
        fFunctionName = functionName;
        fPrecedence = precedence;
    }

    @Override
    public boolean equals(final Object obj) {
        if (obj instanceof Operator) {
            return fFunctionName.equals(((Operator) obj).fFunctionName);
        }
        return false;
    }

    /**
     * @return the name of the head of the associated function
     */
    public String getFunctionName() {
        return fFunctionName;
    }

    /**
     * @return the operator string of this operator
     */
    public String getOperatorString() {
        return fOperatorString;
    }

    /**
     * @return the precedence of this operator
     */
    public int getPrecedence() {
        return fPrecedence;
    }

    /**
     * @return the hashCode of the function name
     */
    @Override
    public int hashCode() {
        return fFunctionName.hashCode();
    }

    @Override
    public String toString() {
        return "["+fFunctionName + "," + fOperatorString + "," + fPrecedence+"]";
    }

}