ListenerKey.java
/*
* Copyright (C) 2021 The Android Open Source Project
*
* 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 androidx.health.platform.client.impl.ipc.internal;
import androidx.annotation.Nullable;
import androidx.annotation.RestrictTo;
import androidx.annotation.RestrictTo.Scope;
/**
* Unique key to hold listener reference.
*
* @hide
*/
@RestrictTo(Scope.LIBRARY)
public final class ListenerKey {
private final Object mListenerKey;
public ListenerKey(Object listenerKey) {
this.mListenerKey = listenerKey;
}
@Override
public boolean equals(@Nullable Object o) {
if (this == o) {
return true;
}
if (!(o instanceof ListenerKey)) {
return false;
}
ListenerKey that = (ListenerKey) o;
return mListenerKey.equals(that);
}
@Override
public int hashCode() {
return System.identityHashCode(mListenerKey);
}
@Override
public String toString() {
return String.valueOf(mListenerKey);
}
}