summaryrefslogtreecommitdiffstats
path: root/src/java/com/jogamp/common/util
diff options
context:
space:
mode:
Diffstat (limited to 'src/java/com/jogamp/common/util')
-rw-r--r--src/java/com/jogamp/common/util/IntIntHashMap.java63
1 files changed, 44 insertions, 19 deletions
diff --git a/src/java/com/jogamp/common/util/IntIntHashMap.java b/src/java/com/jogamp/common/util/IntIntHashMap.java
index 2dff20b..8448a98 100644
--- a/src/java/com/jogamp/common/util/IntIntHashMap.java
+++ b/src/java/com/jogamp/common/util/IntIntHashMap.java
@@ -30,6 +30,7 @@
*/
package com.jogamp.common.util;
+import java.util.Arrays;
import java.util.Iterator;
/*
@@ -78,7 +79,7 @@ public class /*name*/IntIntHashMap/*name*/ implements Iterable {
throw new IllegalArgumentException("initialCapacity must be greater than zero.");
}
if (loadFactor <= 0) {
- throw new IllegalArgumentException("initialCapacity must be greater than zero.");
+ throw new IllegalArgumentException("loadFactor must be greater than zero.");
}
capacity = 1;
while (capacity < initialCapacity) {
@@ -91,9 +92,9 @@ public class /*name*/IntIntHashMap/*name*/ implements Iterable {
}
public boolean containsValue(/*value*/int/*value*/ value) {
- Entry[] table = this.table;
- for (int i = table.length; i-- > 0;) {
- for (Entry e = table[i]; e != null; e = e.next) {
+ Entry[] t = this.table;
+ for (int i = t.length; i-- > 0;) {
+ for (Entry e = t[i]; e != null; e = e.next) {
if (e.value == value) {
return true;
}
@@ -104,8 +105,9 @@ public class /*name*/IntIntHashMap/*name*/ implements Iterable {
// @SuppressWarnings(value="cast")
public boolean containsKey(/*key*/int/*key*/ key) {
+ Entry[] t = this.table;
int index = (int) (key & mask);
- for (Entry e = table[index]; e != null; e = e.next) {
+ for (Entry e = t[index]; e != null; e = e.next) {
if (e.key == key) {
return true;
}
@@ -119,8 +121,9 @@ public class /*name*/IntIntHashMap/*name*/ implements Iterable {
*/
// @SuppressWarnings(value="cast")
public /*value*/int/*value*/ get(/*key*/int/*key*/ key) {
+ Entry[] t = this.table;
int index = (int) (key & mask);
- for (Entry e = table[index]; e != null; e = e.next) {
+ for (Entry e = t[index]; e != null; e = e.next) {
if (e.key == key) {
return e.value;
}
@@ -134,9 +137,10 @@ public class /*name*/IntIntHashMap/*name*/ implements Iterable {
*/
// @SuppressWarnings(value="cast")
public /*value*/int/*value*/ put(/*key*/int/*key*/ key, /*value*/int/*value*/ value) {
+ Entry[] t = this.table;
int index = (int) (key & mask);
// Check if key already exists.
- for (Entry e = table[index]; e != null; e = e.next) {
+ for (Entry e = t[index]; e != null; e = e.next) {
if (e.key != key) {
continue;
}
@@ -144,17 +148,17 @@ public class /*name*/IntIntHashMap/*name*/ implements Iterable {
e.value = value;
return oldValue;
}
- table[index] = new Entry(key, value, table[index]);
+ t[index] = new Entry(key, value, t[index]);
+
if (size++ >= threshold) {
// Rehash.
int newCapacity = 2 * capacity;
Entry[] newTable = new Entry[newCapacity];
- Entry[] src = table;
/*key*/int/*key*/ bucketmask = newCapacity - 1;
- for (int j = 0; j < src.length; j++) {
- Entry e = src[j];
+ for (int j = 0; j < t.length; j++) {
+ Entry e = t[j];
if (e != null) {
- src[j] = null;
+ t[j] = null;
do {
Entry next = e.next;
index = (int) (e.key & bucketmask);
@@ -178,15 +182,16 @@ public class /*name*/IntIntHashMap/*name*/ implements Iterable {
*/
// @SuppressWarnings(value="cast")
public /*value*/int/*value*/ remove(/*key*/int/*key*/ key) {
+ Entry[] t = this.table;
int index = (int) (key & mask);
- Entry prev = table[index];
+ Entry prev = t[index];
Entry e = prev;
while (e != null) {
Entry next = e.next;
if (e.key == key) {
size--;
if (prev == e) {
- table[index] = next;
+ t[index] = next;
} else {
prev.next = next;
}
@@ -198,21 +203,28 @@ public class /*name*/IntIntHashMap/*name*/ implements Iterable {
return keyNotFoundValue;
}
+ /**
+ * Returns the current number of key-value mappings in this map.
+ */
public int size() {
return size;
}
+ /**
+ * Clears the entire map. The size is 0 after this operation.
+ */
public void clear() {
- Entry[] table = this.table;
- for (int index = table.length; --index >= 0;) {
- table[index] = null;
- }
+ Arrays.fill(table, null);
size = 0;
}
+ /**
+ * Returns a new {@link Iterator}.
+ * Note: this Iterator does not yet support removal of elements.
+ */
// @Override
public Iterator/*<Entry>*/ iterator() {
- return new EntryIterator(this.table);
+ return new EntryIterator(table);
}
/**
@@ -315,14 +327,27 @@ public class /*name*/IntIntHashMap/*name*/ implements Iterable {
next = n;
}
+ /**
+ * Returns the key of this entry.
+ */
public /*key*/int/*key*/ getKey() {
return key;
}
+ /**
+ * Returns the value of this entry.
+ */
public /*value*/int/*value*/ getValue() {
return value;
}
+ /**
+ * Sets the value for this entry.
+ */
+ public void setValue(int value) {
+ this.value = value;
+ }
+
// @Override
public String toString() {
return "["+key+":"+value+"]";