export class ExpressionBase {
    constructor(public type: string) {
    }

    getType(): string {
        return this.type;
    }
}

export class BinaryExpression extends ExpressionBase {
    constructor(type: string, public parameter: string, public constant: any, public caseSensitive: boolean = true) {
        super(type);
    }

    getParameter(): string {
        return this.parameter;
    }

    getConstant(): any {
        return this.constant;
    }

    isCaseSensitive(): boolean {
        return this.caseSensitive;
    }
}

export class ComplexExpression extends ExpressionBase {
    constructor(type: string, private expressions: ExpressionBase[]) {
        super(type);
    }

    getExpressions(): ExpressionBase[] {
        return this.expressions;
    }
}