61 lines
1.4 KiB
Java
61 lines
1.4 KiB
Java
package org.jcodec.common;
|
|
|
|
import java.lang.reflect.Array;
|
|
import org.jcodec.platform.Platform;
|
|
|
|
public class IntObjectMap<T> {
|
|
private static final int GROW_BY = 128;
|
|
|
|
private Object[] storage = new Object[128];
|
|
|
|
private int _size;
|
|
|
|
public void put(int key, T val) {
|
|
if (this.storage.length <= key) {
|
|
Object[] ns = new Object[key + 128];
|
|
System.arraycopy(this.storage, 0, ns, 0, this.storage.length);
|
|
this.storage = ns;
|
|
}
|
|
if (this.storage[key] == null)
|
|
this._size++;
|
|
this.storage[key] = val;
|
|
}
|
|
|
|
public T get(int key) {
|
|
return (key >= this.storage.length) ? null : (T)this.storage[key];
|
|
}
|
|
|
|
public int[] keys() {
|
|
int[] result = new int[this._size];
|
|
for (int i = 0, r = 0; i < this.storage.length; i++) {
|
|
if (this.storage[i] != null)
|
|
result[r++] = i;
|
|
}
|
|
return result;
|
|
}
|
|
|
|
public void clear() {
|
|
for (int i = 0; i < this.storage.length; i++)
|
|
this.storage[i] = null;
|
|
this._size = 0;
|
|
}
|
|
|
|
public int size() {
|
|
return this._size;
|
|
}
|
|
|
|
public void remove(int key) {
|
|
if (this.storage[key] != null)
|
|
this._size--;
|
|
this.storage[key] = null;
|
|
}
|
|
|
|
public T[] values(T[] runtime) {
|
|
T[] result = (T[])Array.newInstance(Platform.arrayComponentType(runtime), this._size);
|
|
for (int i = 0, r = 0; i < this.storage.length; i++) {
|
|
if (this.storage[i] != null)
|
|
result[r++] = (T)this.storage[i];
|
|
}
|
|
return result;
|
|
}
|
|
}
|