Merge "ObjectIdSubclassMap: Micro-optimize wrapping at end of table"
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commit
b4f2913556
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@ -92,16 +92,15 @@ public void clear() {
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* @return the instance mapped to toFind, or null if no mapping exists.
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*/
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public V get(final AnyObjectId toFind) {
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int i = toFind.w1 & mask;
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final int msk = mask;
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int i = toFind.w1 & msk;
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final V[] tbl = table;
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final int end = tbl.length;
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V obj;
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while ((obj = tbl[i]) != null) {
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if (AnyObjectId.equals(obj, toFind))
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return obj;
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if (++i == end)
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i = 0;
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i = (i + 1) & msk;
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}
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return null;
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}
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@ -157,16 +156,15 @@ public <Q extends V> void add(final Q newValue) {
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* type of instance to store.
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*/
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public <Q extends V> V addIfAbsent(final Q newValue) {
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int i = newValue.w1 & mask;
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final int msk = mask;
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int i = newValue.w1 & msk;
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final V[] tbl = table;
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final int end = tbl.length;
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V obj;
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while ((obj = tbl[i]) != null) {
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if (AnyObjectId.equals(obj, newValue))
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return obj;
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if (++i == end)
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i = 0;
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i = (i + 1) & msk;
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}
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if (++size == grow) {
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@ -218,13 +216,11 @@ public void remove() {
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}
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private void insert(final V newValue) {
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int j = newValue.w1 & mask;
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final int msk = mask;
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int j = newValue.w1 & msk;
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final V[] tbl = table;
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final int end = tbl.length;
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while (tbl[j] != null) {
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if (++j == end)
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j = 0;
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}
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while (tbl[j] != null)
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j = (j + 1) & msk;
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tbl[j] = newValue;
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}
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