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• ExecutableNode.java

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package com.github.leeonky.dal.ast.node;

import com.github.leeonky.dal.runtime.Data;
import com.github.leeonky.dal.runtime.RuntimeContextBuilder;
import com.github.leeonky.dal.runtime.RuntimeException;
import com.github.leeonky.interpreter.Node;

public interface ExecutableNode extends Node {

    Data getValue(Data data, RuntimeContextBuilder.DALRuntimeContext context);

    default Data getValue(DALNode left, RuntimeContextBuilder.DALRuntimeContext context) {
        Data data = left.evaluateData(context);
        if (data.isNull())
            throw new RuntimeException("Instance is null", getOperandPosition());
        return getValue(data, context);
    }
}