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Delete EventListenerInvoker, it is no longer needed.

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This commit is contained in:
Mike Hearn 2013-03-11 12:21:42 +01:00
parent 971c9c5999
commit b2ab3e1c43
2 changed files with 0 additions and 59 deletions
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2
core/src/main/java/com/google/bitcoin/core/TransactionConfidence.java
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@ -16,12 +16,10 @@
package com.google.bitcoin.core; package com.google.bitcoin.core;
import com.google.bitcoin.utils.EventListenerInvoker;
import com.google.common.base.Preconditions; import com.google.common.base.Preconditions;
import java.io.Serializable; import java.io.Serializable;
import java.math.BigInteger; import java.math.BigInteger;
import java.util.ArrayList;
import java.util.ListIterator; import java.util.ListIterator;
import java.util.concurrent.CopyOnWriteArrayList; import java.util.concurrent.CopyOnWriteArrayList;

57
core/src/main/java/com/google/bitcoin/utils/EventListenerInvoker.java
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@ -1,57 +0,0 @@
/*
* Copyright 2012 Google Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.google.bitcoin.utils;
import java.util.List;
/**
* A utility class that makes it easier to run lists of event listeners that are allowed to
* delete themselves during their execution. Event listeners are locked during execution. <p>
*
* Use like this:<p>
*
* <tt><pre>
* final Foo myself = this;
* final Bar change = ...;
* EventListenerInvoker.invoke(myEventListeners, new EventListenerInvoker<FooEventListener, Void>() {
* public void invoke(FooEventListener listener) {
* listener.onSomethingChanged(myself, change);
* }
* });
* </pre></tt>
*/
public abstract class EventListenerInvoker<E> {
public abstract void invoke(E listener);
public static <E> void invoke(List<E> listeners,
EventListenerInvoker<E> invoker) {
if (listeners == null) return;
synchronized (listeners) {
for (int i = 0; i < listeners.size(); i++) {
E l = listeners.get(i);
synchronized (l) {
invoker.invoke(l);
}
if (i == listeners.size()) {
break; // Listener removed itself and it was the last one.
} else if (listeners.get(i) != l) {
i--; // Listener removed itself and it was not the last one.
}
}
}
}
}