/
CallbackImpl.java
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/
CallbackImpl.java
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/**
* Copyright (c) 2015-present, Facebook, Inc.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
package com.facebook.react.bridge;
/**
* Implementation of javascript callback function that use Bridge to schedule method execution
*/
public final class CallbackImpl implements Callback {
private final JSInstance mJSInstance;
private final int mCallbackId;
private boolean mInvoked;
public CallbackImpl(JSInstance jsInstance, int callbackId) {
mJSInstance = jsInstance;
mCallbackId = callbackId;
mInvoked = false;
}
@Override
public void invoke(Object... args) {
if (mInvoked) {
throw new RuntimeException("Illegal callback invocation from native "+
"module. This callback type only permits a single invocation from "+
"native code.");
}
mJSInstance.invokeCallback(mCallbackId, Arguments.fromJavaArgs(args));
mInvoked = true;
}
}