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Issue 625: use (even) better primes for hashcodes

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Roel Spilker committed 2014-01-19 21:49:35 +01:00
1 parent 2ab6cc809d
commit 14cc545276
34 files changed
+82 -65
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test/transform/resource/after-delombok/EqualsAndHashCode.java
+6 -3
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@@ -29,7 +29,7 @@ class EqualsAndHashCode {
@java.lang.Override
@java.lang.SuppressWarnings("all")
public int hashCode() {
final int PRIME = 277;
final int PRIME = 59;
int result = 1;
result = result * PRIME + this.x;
result = result * PRIME + java.util.Arrays.hashCode(this.y);
@@ -46,6 +46,7 @@ final class EqualsAndHashCode2 {
long y;
float f;
double d;
boolean b;
@java.lang.Override
@java.lang.SuppressWarnings("all")
public boolean equals(final java.lang.Object o) {
@@ -56,12 +57,13 @@ final class EqualsAndHashCode2 {
if (this.y != other.y) return false;
if (java.lang.Float.compare(this.f, other.f) != 0) return false;
if (java.lang.Double.compare(this.d, other.d) != 0) return false;
if (this.b != other.b) return false;
return true;
}
@java.lang.Override
@java.lang.SuppressWarnings("all")
public int hashCode() {
final int PRIME = 277;
final int PRIME = 59;
int result = 1;
result = result * PRIME + this.x;
final long $y = this.y;
@@ -69,6 +71,7 @@ final class EqualsAndHashCode2 {
result = result * PRIME + java.lang.Float.floatToIntBits(this.f);
final long $d = java.lang.Double.doubleToLongBits(this.d);
result = result * PRIME + (int)($d >>> 32 ^ $d);
result = result * PRIME + (this.b ? 79 : 97);
return result;
}
}
@@ -111,7 +114,7 @@ class EqualsAndHashCode4 extends EqualsAndHashCode {
@java.lang.Override
@java.lang.SuppressWarnings("all")
public int hashCode() {
final int PRIME = 277;
final int PRIME = 59;
int result = 1;
result = result * PRIME + super.hashCode();
return result;