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perf[entity]: 简化IEntity的是否为空的判断
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@@ -51,22 +51,18 @@ public interface IEntity<PK extends Comparable<PK>> {
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/**
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* 由于查询不存在时缓存中也会有一份,因此判断为空需要根据实际类型才能决定
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*
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* @return
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* @return EntityCaches中取出的值在数据库中是否存在
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*/
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default boolean isNull() {
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PK idValue = id();
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if (idValue == null) {
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return true;
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}
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if (idValue instanceof Integer) {
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return idValue.equals(0);
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}
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if (idValue instanceof Long) {
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return idValue.equals(0L);
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}
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if (idValue instanceof String) {
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// id在启动的时候做过校验,只能是int long float double String几种类型
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if (idValue instanceof Number) {
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return ((Number) idValue).doubleValue() == 0D;
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} else {
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return StringUtils.isEmpty((CharSequence) idValue);
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}
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return false;
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}
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}
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