/*
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* Copyright (C) 2012 Markus Junginger, greenrobot (http://greenrobot.de)
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package de.greenrobot.event;
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import java.lang.reflect.Method;
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final class SubscriberMethod {
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final Method method;
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final ThreadMode threadMode;
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final Class<?> eventType;
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/** Used for efficient comparison */
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String methodString;
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SubscriberMethod(Method method, ThreadMode threadMode, Class<?> eventType) {
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this.method = method;
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this.threadMode = threadMode;
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this.eventType = eventType;
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}
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@Override
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public boolean equals(Object other) {
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if (other instanceof SubscriberMethod) {
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checkMethodString();
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SubscriberMethod otherSubscriberMethod = (SubscriberMethod)other;
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otherSubscriberMethod.checkMethodString();
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// Don't use method.equals because of http://code.google.com/p/android/issues/detail?id=7811#c6
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return methodString.equals(otherSubscriberMethod.methodString);
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} else {
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return false;
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}
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}
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private synchronized void checkMethodString() {
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if (methodString == null) {
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// Method.toString has more overhead, just take relevant parts of the method
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StringBuilder builder = new StringBuilder(64);
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builder.append(method.getDeclaringClass().getName());
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builder.append('#').append(method.getName());
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builder.append('(').append(eventType.getName());
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methodString = builder.toString();
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}
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}
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@Override
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public int hashCode() {
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return method.hashCode();
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}
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}
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