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package org.eclipse.cdt.internal.core.index;
/*
* (c) Copyright QNX Software Systems Ltd. 2002.
* All Rights Reserved.
*/
import java.util.*;
import org.eclipse.core.resources.*;
public class RequestList {
private List list;
public RequestList() {
list = Collections.synchronizedList(new LinkedList());
}
public IResource removeItem() throws InterruptedException {
//print("in removeItem() - entering");
synchronized (list) {
while (list.isEmpty()) {
//print("in removeItem() - about to wait()");
list.wait();
//print("in removeItem() - done with wait()");
}
// extract the new first item
IResource item = (IResource)list.remove(0);
//print("in removeItem() - leaving");
return item;
}
}
public boolean removeItem(Object key) {
return list.remove(key);
}
public void addItem(IResource item) {
//print("in addItem() - entering");
synchronized (list) {
// There will always be room to add to this List
// because it expands as needed.
list.add(item);
//print("in addItem - just added: '" + item + "'");
// After adding, notify any and all waiting
// threads that the list has changed.
list.notifyAll();
//print("in addItem() - just notified");
}
//print("in addItem() - leaving");
}
// private static void print(String msg) {
// String name = Thread.currentThread().getName();
// System.out.println(name + ": " + msg);
// }
}
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