[英]Having trouble with floorentry in Java
我構建了以下 TreeMap :
TreeMap<Double, BigDecimal> myMap = new TreeMap<>();
myMap.put(0.00, new BigDecimal(18000));
myMap.put(62.00, new BigDecimal(25000));
myMap.put(100.00, new BigDecimal(30000));
myMap.put(150.00, new BigDecimal(55000));
myMap.put(200.00, new BigDecimal(55000));
myMap.put(200.00, new BigDecimal(55000));
myMap.put(301.00, new BigDecimal(70000));
當我運行時:
variable = 100;
rebate = myMap.get(variable);
我得到正確的結果(30000)。 但是當我運行時:
variable = 75;
rebate = myMap.get(variable);
我的整個程序都中斷了。 當我嘗試運行時:
rebate = myMap.floorEntry(variable);
我的 IntelliJ 向我拋出了這個錯誤:
Required type:
BigDecimal
Provided:
Entry
<java.lang.Double,
java.math.BigDecimal>
stacktrace:
<pre>java.lang.RuntimeException: io.quarkus.builder.BuildException: Build failure: Build failed due to errors
[error]: Build step org.kie.kogito.quarkus.common.deployment.KogitoAssetsProcessor#generateModel threw an exception: java.lang.IllegalStateException: src/main/java/com/zappyride/software/business/P94/LambdaConsequence9423558E6DAA4D0C76452B4B4DFC5AA3.java (115:5948) : Type mismatch: cannot convert from Map.Entry<Double,BigDecimal> to BigDecimal
src/main/java/com/zappyride/software/business/P94/LambdaConsequence9423558E6DAA4D0C76452B4B4DFC5AA3.java (115:5948) : Type mismatch: cannot convert from Map.Entry<Double,BigDecimal> to BigDecimal
at org.kie.kogito.quarkus.common.deployment.InMemoryCompiler.compile(InMemoryCompiler.java:100)
at org.kie.kogito.quarkus.common.deployment.KogitoQuarkusResourceUtils.compileGeneratedSources(KogitoQuarkusResourceUtils.java:140)
at org.kie.kogito.quarkus.common.deployment.KogitoAssetsProcessor.compileAndIndexJavaSources(KogitoAssetsProcessor.java:126)
at org.kie.kogito.quarkus.common.deployment.KogitoAssetsProcessor.generateModel(KogitoAssetsProcessor.java:95)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:566)
at io.quarkus.deployment.ExtensionLoader$2.execute(ExtensionLoader.java:920)
at io.quarkus.builder.BuildContext.run(BuildContext.java:277)
at org.jboss.threads.EnhancedQueueExecutor$Task.run(EnhancedQueueExecutor.java:2415)
at org.jboss.threads.EnhancedQueueExecutor$ThreadBody.run(EnhancedQueueExecutor.java:1452)
at java.base/java.lang.Thread.run(Thread.java:829)
at org.jboss.threads.JBossThread.run(JBossThread.java:501)
我該如何解決? 本質上,我需要能夠向 Java 傳遞一個鍵,如果它不是完美匹配,則拉出下一個最低鍵的相應值。
先謝謝了!
如Javadoc 中所示, TreeMap.floorEntry
返回Map.Entry<K, V>
。 您應該將設置更改為:
Map.Entry<Double, BigDecimal> entry = myMap.floorEntry(variable);
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