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社区首页 >问答首页 >Java -设置BooleanProperty会导致“java.lang.StackOverflowError”

问Java -设置BooleanProperty会导致“java.lang.StackOverflowError”
EN

Stack Overflow用户
提问于 2014-08-23 03:08:01
回答 1查看 613关注 0票数 0

我不会张贴所有的代码，只是与之相关的部分。我真的不太熟悉创建自己的侦听器，这本书还没有涉及到这一点。也许我做错了，但你可以查看下面的代码，自己看看。基本上，当我改变值时，它会一遍又一遍地尝试设置值或其他东西，我试图用断点跟踪它，看看是否能捕捉到问题，但可能我错过了something...Tracing问题。问题停在设置BooleanProperty值的特定代码行，并在每次我将其向前移动一行时停留在那里。

下面是我的对象构造函数和数据字段

代码语言：javascript
复制
private BooleanProperty endTurn;

/** Constructor */
public PlayerHand() {
    // Set the Data Field values
    super.playerCards = new ArrayList<>();
    this.chips = 100;
    this.lastBet = 0;
    this.endTurn = new SimpleBooleanProperty(this, "endTurn", false);
}

下面是getter、setter和property方法

代码语言：javascript
复制
/** Get whether the player has ended the turn */
public boolean getEndTurn() {
    return this.endTurn.get();
}

/** Set's the end of turn */
public void setEndTurn(boolean endTurn) {
    this.endTurn.setValue(endTurn);
}

/** Property getter method for ending the turn */
public BooleanProperty endTurnProperty() {
    return this.endTurn;
}

下面是创建该对象的类中的侦听器

代码语言：javascript
复制
    // Set the binds for each player
    for (int i = 0; i < players - 1; i++) {
        alPlayerHand.get(i).endTurnProperty().addListener(e -> {
            progressTurn();
        });
    }

编辑:我忘了添加这一行，这是跟踪卡住的地方

代码语言：javascript
复制
public void progressTurn() {
    // Have AI make their decisions and turn rules on and off
    if (alPlayerHand.get(playersTurn).getLastBet() == 0) {
        if (alPlayerHand.get(playersTurn).isLittleBlind() &&
                currentGameRound == 1) {
            alPlayerHand.get(playersTurn).setBet(littleBlind);
            lastPlayer = "Little Blind";
        } else if (alPlayerHand.get(playersTurn).isBigBlind() &&
                currentGameRound == 1) {
            alPlayerHand.get(playersTurn).setBet(bigBlind);
            lastPlayer = "Big Blind";
        } else if (alPlayerHand.get(playersTurn).isAI()) {
            alPlayerHand.get(playersTurn).decide();
            lastPlayer = alPlayerHand.get(playersTurn).getLastMove();
        }
    }
    // Add the last bet to the pot
    pot += alPlayerHand.get(playersTurn).getLastBet();
    alPlayerHand.get(playersTurn).setBet(0);

    if ((playersTurn + 1) <= players - 1 &&
        alPlayerHand.get(playersTurn).isAI()) {
        playersTurn++;
    } else if ((playersTurn + 1) > players - 1 &&
        alPlayerHand.get(playersTurn).isAI())
        playersTurn = 0;

    endTurn(); // Debug stops here and stays here
}

编辑:再次忘记代码

代码语言：javascript
复制
/** End the current players turn */
public void endTurn() {
    // End Players turn
    if (alPlayerHand.get(playersTurn).getEndTurn()) {
        alPlayerHand.get(playersTurn).setEndTurn(false);
    } else
        alPlayerHand.get(playersTurn).setEndTurn(true);
}

最后是错误-大多数已经被删除，因为它只是重复自己

代码语言：javascript
复制
Exception in thread "JavaFX Application Thread" java.lang.StackOverflowError
at javafx.beans.property.BooleanPropertyBase.markInvalid(BooleanPropertyBase.java:109)
at javafx.beans.property.BooleanPropertyBase.set(BooleanPropertyBase.java:143)
at javafx.beans.property.BooleanProperty.setValue(BooleanProperty.java:77)
at Casino_Poker.PlayerHand.setEndTurn(PlayerHand.java:188)
at Casino_Poker.Main.endTurn(Main.java:1043)
at Casino_Poker.Main.progressTurn(Main.java:1014)
at Casino_Poker.Main.lambda$TexasHoldEm$16(Main.java:972)
at Casino_Poker.Main$$Lambda$13/477174400.invalidated(Unknown Source)
at com.sun.javafx.binding.ExpressionHelper$SingleInvalidation.fireValueChangedEvent(ExpressionHelper.java:135)
at com.sun.javafx.binding.ExpressionHelper.fireValueChangedEvent(ExpressionHelper.java:80)
at javafx.beans.property.BooleanPropertyBase.fireValueChangedEvent(BooleanPropertyBase.java:103)
at javafx.beans.property.BooleanPropertyBase.markInvalid(BooleanPropertyBase.java:110)
at javafx.beans.property.BooleanPropertyBase.set(BooleanPropertyBase.java:143)
at javafx.beans.property.BooleanProperty.setValue(BooleanProperty.java:77)
at Casino_Poker.PlayerHand.setEndTurn(PlayerHand.java:188)
at Casino_Poker.Main.endTurn(Main.java:1041)
at Casino_Poker.Main.progressTurn(Main.java:1014)
at Casino_Poker.Main.lambda$TexasHoldEm$16(Main.java:972)
at Casino_Poker.Main$$Lambda$13/477174400.invalidated(Unknown Source)
at com.sun.javafx.binding.ExpressionHelper$SingleInvalidation.fireValueChangedEvent(ExpressionHelper.java:135)
at com.sun.javafx.binding.ExpressionHelper.fireValueChangedEvent(ExpressionHelper.java:80)
at javafx.beans.property.BooleanPropertyBase.fireValueChangedEvent(BooleanPropertyBase.java:103)
at javafx.beans.property.BooleanPropertyBase.markInvalid(BooleanPropertyBase.java:110)
at javafx.beans.property.BooleanPropertyBase.set(BooleanPropertyBase.java:143)
at javafx.beans.property.BooleanProperty.setValue(BooleanProperty.java:77)
at Casino_Poker.PlayerHand.setEndTurn(PlayerHand.java:188)
at Casino_Poker.Main.endTurn(Main.java:1043)
at Casino_Poker.Main.progressTurn(Main.java:1014)
at Casino_Poker.Main.lambda$TexasHoldEm$16(Main.java:972)
at Casino_Poker.Main$$Lambda$13/477174400.invalidated(Unknown Source)
at com.sun.javafx.binding.ExpressionHelper$SingleInvalidation.fireValueChangedEvent(ExpressionHelper.java:135)
at com.sun.javafx.binding.ExpressionHelper.fireValueChangedEvent(ExpressionHelper.java:80)
at javafx.beans.property.BooleanPropertyBase.fireValueChangedEvent(BooleanPropertyBase.java:103)
at javafx.beans.property.BooleanPropertyBase.markInvalid(BooleanPropertyBase.java:110)
at javafx.beans.property.BooleanPropertyBase.set(BooleanPropertyBase.java:143)
at javafx.beans.property.BooleanProperty.setValue(BooleanProperty.java:77)
at Casino_Poker.PlayerHand.setEndTurn(PlayerHand.java:188)
at Casino_Poker.Main.endTurn(Main.java:1043)
at Casino_Poker.Main.progressTurn(Main.java:1014)
at Casino_Poker.Main.lambda$TexasHoldEm$16(Main.java:972)
at Casino_Poker.Main$$Lambda$13/477174400.invalidated(Unknown Source)
at com.sun.javafx.binding.ExpressionHelper$SingleInvalidation.fireValueChangedEvent(ExpressionHelper.java:135)
at com.sun.javafx.binding.ExpressionHelper.fireValueChangedEvent(ExpressionHelper.java:80)
at javafx.beans.property.BooleanPropertyBase.fireValueChangedEvent(BooleanPropertyBase.java:103)
at javafx.beans.property.BooleanPropertyBase.markInvalid(BooleanPropertyBase.java:110)
at javafx.beans.property.BooleanPropertyBase.set(BooleanPropertyBase.java:143)
at javafx.beans.property.BooleanProperty.setValue(BooleanProperty.java:77)
at Casino_Poker.PlayerHand.setEndTurn(PlayerHand.java:188)
at Casino_Poker.Main.endTurn(Main.java:1041)
at Casino_Poker.Main.progressTurn(Main.java:1014)
at Casino_Poker.Main.lambda$TexasHoldEm$16(Main.java:972)
at Casino_Poker.Main$$Lambda$13/477174400.invalidated(Unknown Source)
at com.sun.javafx.binding.ExpressionHelper$SingleInvalidation.fireValueChangedEvent(ExpressionHelper.java:135)
at com.sun.javafx.binding.ExpressionHelper.fireValueChangedEvent(ExpressionHelper.java:80)
at javafx.beans.property.BooleanPropertyBase.fireValueChangedEvent(BooleanPropertyBase.java:103)
at javafx.beans.property.BooleanPropertyBase.markInvalid(BooleanPropertyBase.java:110)
at javafx.beans.property.BooleanPropertyBase.set(BooleanPropertyBase.java:143)
at javafx.beans.property.BooleanProperty.setValue(BooleanProperty.java:77)
at Casino_Poker.PlayerHand.setEndTurn(PlayerHand.java:188)
at Casino_Poker.Main.endTurn(Main.java:1043)
at Casino_Poker.Main.progressTurn(Main.java:1014)
at Casino_Poker.Main.lambda$TexasHoldEm$16(Main.java:972)
at Casino_Poker.Main$$Lambda$13/477174400.invalidated(Unknown Source)
at com.sun.javafx.binding.ExpressionHelper$SingleInvalidation.fireValueChangedEvent(ExpressionHelper.java:135)
at com.sun.javafx.binding.ExpressionHelper.fireValueChangedEvent(ExpressionHelper.java:80)
at javafx.beans.property.BooleanPropertyBase.fireValueChangedEvent(BooleanPropertyBase.java:103)
at javafx.beans.property.BooleanPropertyBase.markInvalid(BooleanPropertyBase.java:110)
at javafx.beans.property.BooleanPropertyBase.set(BooleanPropertyBase.java:143)
at javafx.beans.property.BooleanProperty.setValue(BooleanProperty.java:77)
at Casino_Poker.PlayerHand.setEndTurn(PlayerHand.java:188)
at Casino_Poker.Main.endTurn(Main.java:1041)
at Casino_Poker.Main.progressTurn(Main.java:1014)
at Casino_Poker.Main.lambda$TexasHoldEm$16(Main.java:972)
at Casino_Poker.Main$$Lambda$13/477174400.invalidated(Unknown Source)
at com.sun.javafx.binding.ExpressionHelper$SingleInvalidation.fireValueChangedEvent(ExpressionHelper.java:135)
at com.sun.javafx.binding.ExpressionHelper.fireValueChangedEvent(ExpressionHelper.java:80)
at javafx.beans.property.BooleanPropertyBase.fireValueChangedEvent(BooleanPropertyBase.java:103)
at javafx.beans.property.BooleanPropertyBase.markInvalid(BooleanPropertyBase.java:110)
at javafx.beans.property.BooleanPropertyBase.set(BooleanPropertyBase.java:143)
at javafx.beans.property.BooleanProperty.setValue(BooleanProperty.java:77)
at Casino_Poker.PlayerHand.setEndTurn(PlayerHand.java:188)
at Casino_Poker.Main.endTurn(Main.java:1043)
at Casino_Poker.Main.progressTurn(Main.java:1014)
at Casino_Poker.Main.lambda$TexasHoldEm$16(Main.java:972)
at Casino_Poker.Main$$Lambda$13/477174400.invalidated(Unknown Source)
at com.sun.javafx.binding.ExpressionHelper$SingleInvalidation.fireValueChangedEvent(ExpressionHelper.java:135)
at com.sun.javafx.binding.ExpressionHelper.fireValueChangedEvent(ExpressionHelper.java:80)
at javafx.beans.property.BooleanPropertyBase.fireValueChangedEvent(BooleanPropertyBase.java:103)
at javafx.beans.property.BooleanPropertyBase.markInvalid(BooleanPropertyBase.java:110)
at javafx.beans.property.BooleanPropertyBase.set(BooleanPropertyBase.java:143)
at javafx.beans.property.BooleanProperty.setValue(BooleanProperty.java:77)
at Casino_Poker.PlayerHand.setEndTurn(PlayerHand.java:188)
at Casino_Poker.Main.endTurn(Main.java:1041)
at Casino_Poker.Main.progressTurn(Main.java:1014)
at Casino_Poker.Main.lambda$TexasHoldEm$16(Main.java:972)
at Casino_Poker.Main$$Lambda$13/477174400.invalidated(Unknown Source)
at com.sun.javafx.binding.ExpressionHelper$SingleInvalidation.fireValueChangedEvent(ExpressionHelper.java:135)
at com.sun.javafx.binding.ExpressionHelper.fireValueChangedEvent(ExpressionHelper.java:80)
at javafx.beans.property.BooleanPropertyBase.fireValueChangedEvent(BooleanPropertyBase.java:103)
at javafx.beans.property.BooleanPropertyBase.markInvalid(BooleanPropertyBase.java:110)
at javafx.beans.property.BooleanPropertyBase.set(BooleanPropertyBase.java:143)
at javafx.beans.property.BooleanProperty.setValue(BooleanProperty.java:77)
at Casino_Poker.PlayerHand.setEndTurn(PlayerHand.java:188)
at Casino_Poker.Main.endTurn(Main.java:1043)
at Casino_Poker.Main.progressTurn(Main.java:1014)
at Casino_Poker.Main.lambda$TexasHoldEm$16(Main.java:972)
at Casino_Poker.Main$$Lambda$13/477174400.invalidated(Unknown Source)
at com.sun.javafx.binding.ExpressionHelper$SingleInvalidation.fireValueChangedEvent(ExpressionHelper.java:135)
at com.sun.javafx.binding.ExpressionHelper.fireValueChangedEvent(ExpressionHelper.java:80)
at javafx.beans.property.BooleanPropertyBase.fireValueChangedEvent(BooleanPropertyBase.java:103)
at javafx.beans.property.BooleanPropertyBase.markInvalid(BooleanPropertyBase.java:110)
at javafx.beans.property.BooleanPropertyBase.set(BooleanPropertyBase.java:143)
at javafx.beans.property.BooleanProperty.setValue(BooleanProperty.java:77)
at Casino_Poker.PlayerHand.setEndTurn(PlayerHand.java:188)
at Casino_Poker.Main.endTurn(Main.java:1043)
at Casino_Poker.Main.progressTurn(Main.java:1014)
at Casino_Poker.Main.lambda$TexasHoldEm$16(Main.java:972)
at Casino_Poker.Main$$Lambda$13/477174400.invalidated(Unknown Source)
at com.sun.javafx.binding.ExpressionHelper$SingleInvalidation.fireValueChangedEvent(ExpressionHelper.java:135)
at com.sun.javafx.binding.ExpressionHelper.fireValueChangedEvent(ExpressionHelper.java:80)
at javafx.beans.property.BooleanPropertyBase.fireValueChangedEvent(BooleanPropertyBase.java:103)
at javafx.beans.property.BooleanPropertyBase.markInvalid(BooleanPropertyBase.java:110)

我真的很感激任何关于我做错了什么的建议，这本书只介绍了绑定属性的创建，所以far...but从来没有介绍过内部的工作原理，只有方法是如何设置的，其中的语句是看不见的。

基本上，我希望玩家进行他们的移动，如果玩家是AI控制的，那么计算机做出决定，并在结束时设置endTurn值，然后导致侦听器调用progressTurn方法，循环继续

java
properties
boolean
listener
javafx-8
EN

回答 1

Stack Overflow用户

发布于 2014-08-23 10:55:44

当我在endTurn()方法的if语句中调用布尔属性的getter时，我假设它触发了我的侦听器，所以我所做的就是用'if (playersTurn %2 == 0)‘替换它

票数 0
EN
页面原文内容由Stack Overflow提供。腾讯云小微IT领域专用引擎提供翻译支持
原文链接：

https://stackoverflow.com/questions/25453977

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