63 lines
1.5 KiB
Java
63 lines
1.5 KiB
Java
package com.tuoheng.machine.instruction;
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/**
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* 抽象指令基类，提供默认实现和下游节点管理
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*/
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public abstract class AbstractInstruction implements Instruction {
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/**
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* 成功后执行的下一个指令
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*/
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private Instruction onSuccessInstruction;
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/**
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* 失败后执行的下一个指令
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*/
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private Instruction onFailureInstruction;
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/**
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* 无论成功失败都执行的下一个指令
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*/
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private Instruction alwaysNextInstruction;
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@Override
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public Instruction getOnSuccessInstruction() {
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return onSuccessInstruction;
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}
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@Override
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public Instruction getOnFailureInstruction() {
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return onFailureInstruction;
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}
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@Override
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public Instruction getAlwaysNextInstruction() {
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return alwaysNextInstruction;
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}
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/**
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* 设置成功后执行的指令（支持链式调用）
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*/
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public <T extends AbstractInstruction> T onSuccess(Instruction instruction) {
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this.onSuccessInstruction = instruction;
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return (T) this;
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}
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/**
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* 设置失败后执行的指令（支持链式调用）
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*/
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public <T extends AbstractInstruction> T onFailure(Instruction instruction) {
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this.onFailureInstruction = instruction;
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return (T) this;
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}
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/**
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* 设置无论成功失败都执行的指令（支持链式调用）
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*/
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public <T extends AbstractInstruction> T then(Instruction instruction) {
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this.alwaysNextInstruction = instruction;
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return (T) this;
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}
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}
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