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Code refinement for JDK-picked classes (#1014)

This commit is contained in:
于玉桔 2019-08-26 22:34:28 +08:00 committed by Eric Zhao
parent 820ff9233a
commit 1253471078
2 changed files with 8 additions and 0 deletions
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6
sentinel-core/src/main/java/com/alibaba/csp/sentinel/slots/statistic/base/LongAdder.java
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@ -46,6 +46,7 @@ public class LongAdder extends Striped64 implements Serializable {
/** /**
* Version of plus for use in retryUpdate * Version of plus for use in retryUpdate
*/ */
@Override
final long fn(long v, long x) { return v + x; } final long fn(long v, long x) { return v + x; }
/** /**
@ -153,6 +154,7 @@ public class LongAdder extends Striped64 implements Serializable {
* *
* @return the String representation of the {@link #sum} * @return the String representation of the {@link #sum}
*/ */
@Override
public String toString() { public String toString() {
return Long.toString(sum()); return Long.toString(sum());
} }
@ -162,6 +164,7 @@ public class LongAdder extends Striped64 implements Serializable {
* *
* @return the sum * @return the sum
*/ */
@Override
public long longValue() { public long longValue() {
return sum(); return sum();
} }
@ -170,6 +173,7 @@ public class LongAdder extends Striped64 implements Serializable {
* Returns the {@link #sum} as an {@code int} after a narrowing * Returns the {@link #sum} as an {@code int} after a narrowing
* primitive conversion. * primitive conversion.
*/ */
@Override
public int intValue() { public int intValue() {
return (int)sum(); return (int)sum();
} }
@ -178,6 +182,7 @@ public class LongAdder extends Striped64 implements Serializable {
* Returns the {@link #sum} as a {@code float} * Returns the {@link #sum} as a {@code float}
* after a widening primitive conversion. * after a widening primitive conversion.
*/ */
@Override
public float floatValue() { public float floatValue() {
return (float)sum(); return (float)sum();
} }
@ -186,6 +191,7 @@ public class LongAdder extends Striped64 implements Serializable {
* Returns the {@link #sum} as a {@code double} after a widening * Returns the {@link #sum} as a {@code double} after a widening
* primitive conversion. * primitive conversion.
*/ */
@Override
public double doubleValue() { public double doubleValue() {
return (double)sum(); return (double)sum();
} }

2
sentinel-core/src/main/java/com/alibaba/csp/sentinel/slots/statistic/base/Striped64.java
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@ -136,6 +136,7 @@ abstract class Striped64 extends Number {
* The corresponding ThreadLocal class * The corresponding ThreadLocal class
*/ */
static final class ThreadHashCode extends ThreadLocal<HashCode> { static final class ThreadHashCode extends ThreadLocal<HashCode> {
@Override
public HashCode initialValue() { return new HashCode(); } public HashCode initialValue() { return new HashCode(); }
} }
@ -330,6 +331,7 @@ abstract class Striped64 extends Number {
return java.security.AccessController.doPrivileged return java.security.AccessController.doPrivileged
(new java.security (new java.security
.PrivilegedExceptionAction<sun.misc.Unsafe>() { .PrivilegedExceptionAction<sun.misc.Unsafe>() {
@Override
public sun.misc.Unsafe run() throws Exception { public sun.misc.Unsafe run() throws Exception {
java.lang.reflect.Field f = sun.misc java.lang.reflect.Field f = sun.misc
.Unsafe.class.getDeclaredField("theUnsafe"); .Unsafe.class.getDeclaredField("theUnsafe");