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fix some bug found by Yonghun
[IRC.git]
/
QueryQueue.java
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public class QueryQueue {
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HashSet queries;
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int size;
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public QueryQueue() {
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queries = new HashSet();
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size = 0;
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}
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public LocalQuery pop() {
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if (queries.isEmpty())
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return null;
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LocalQuery q = (LocalQuery) queries.iterator().next();
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queries.remove(q);
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size--;
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return q;
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}
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public void push(LocalQuery x) {
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queries.add(x);
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size++;
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}
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public int size() {
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return size;
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}
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public boolean isEmpty() {
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if (size == 0)
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return true;
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else
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return false;
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}
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}