com.ly.invoker.builder.caller.ChainCaller Maven / Gradle / Ivy

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package com.ly.invoker.builder.caller;

import com.ly.invoker.core.ICoordinator;
import com.ly.invoker.core.payload.Path;
import com.ly.invoker.core.payload.Payload;

public class ChainCaller {
    protected ICoordinator coordinator;
    protected String[] selector = new String[0];
    protected Object result;
    protected Object[] params = new Object[0];

    protected ChainCaller(ICoordinator coordinator) {
        this.coordinator = coordinator;
    }

    public static ChainCaller of(ICoordinator coordinator) {
        return new ChainCaller(coordinator);
    }

    public ChainCaller path(String... path) {
        selector = path;
        return this;
    }

    public ChainCaller result(Object result) {
        this.result = result;
        return this;
    }

    public ChainCaller params(Object... params) {
        this.params = params;
        return this;
    }

    public  T call() {
        Payload payload = new Payload();
        payload.setPath(new Path(selector)).setParams(params).setResult(result);
        selector = new String[0];
        result = null;
        params = new Object[0];
        coordinator.process(payload);
        return (T) payload.getResult();
    }
}