38 lines
648 B
Java
38 lines
648 B
Java
package com.iluwatar;
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/**
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*
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* Mammoth has internal state that defines its behavior.
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*
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*/
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public class Mammoth {
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private State state;
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public Mammoth() {
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state = new PeacefulState(this);
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}
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public void timePasses() {
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if (state.getClass().equals(PeacefulState.class)) {
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changeStateTo(new AngryState(this));
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} else {
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changeStateTo(new PeacefulState(this));
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}
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}
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private void changeStateTo(State newState) {
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this.state = newState;
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this.state.onEnterState();
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}
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@Override
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public String toString() {
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return "The mammoth";
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}
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public void observe() {
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this.state.observe();
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}
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}
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