Android Open Source - khandroid State Machine Impl






From Project

Back to project page khandroid.

License

The source code is released under:

Apache License

If you think the Android project khandroid listed in this page is inappropriate, such as containing malicious code/tools or violating the copyright, please email info at java2s dot com, thanks.

Java Source Code

package com.github.khandroid.state;
//  ww  w . java 2 s.  c o m
import org.slf4j.LoggerFactory;


public class StateMachineImpl implements StateMachine {
    private volatile State mCurrentState;
    private volatile State mGlobalState;
    private volatile State mPreviousState;
    
    private final org.slf4j.Logger mLogger = LoggerFactory.getLogger(StateMachineImpl.class.getSimpleName());
    
    @Override
    public synchronized void switchToState(State newState) {
        if (newState == null) {
            throw new IllegalArgumentException("state is null");
        }
        
        if (mCurrentState != null) {
            mCurrentState.onExit();
            mPreviousState = mCurrentState;
        }
        
        mCurrentState = newState;
        mCurrentState.onEnter();
    }


    @Override
    public synchronized void revertToPreviousState() {
        if (mPreviousState != null) {
            switchToState(mPreviousState);    
        } else {
            throw new IllegalStateException("No previous state to switch to");
        }
    }


    @Override
    public void setGlobalState(State state) {
        mGlobalState = state;
    }


    @Override
    public State getCurrentState() {
        return mCurrentState;
    }


    @Override
    public State getGlobalState() {
        return mGlobalState;
    }


    @Override
    public boolean isInState(State state) {
        if (state == mCurrentState) {
             return true;
        } else {
            return false;
        }
    }


    @Override
    public synchronized boolean handleEvent(StateEvent event) {
        boolean ret = mCurrentState.handleEvent(event); 
        if (!ret) {
            if (mGlobalState != null) {
                ret = mGlobalState.handleEvent(event);
                if (!ret) {
                    mLogger.warn("Unhandled event {} in state {}, global state {}", 
                                event.getClass().getSimpleName(), 
                                mCurrentState.getClass().getSimpleName(),
                                mGlobalState.getClass().getSimpleName());
                }
            } else {
                mLogger.warn("Unhandled event {} in state {}, global state not set", 
                            event.getClass().getSimpleName(), 
                            mCurrentState.getClass().getSimpleName());
            }
        }
        
        return ret;
    }
}




Java Source Code List

com.github.khandroid.JsonFunctionality.java
com.github.khandroid.http.functionality.HttpFunctionalityImpl.java
com.github.khandroid.http.functionality.HttpFunctionalityWCookiesImpl.java
com.github.khandroid.http.functionality.HttpFunctionalityWCookies.java
com.github.khandroid.http.functionality.HttpFunctionality.java
com.github.khandroid.http.misc.FileDownloader.java
com.github.khandroid.http.misc.KhandroidBasicResponseHandler.java
com.github.khandroid.http.misc.SynchronizedCookieStore.java
com.github.khandroid.http.request.GetRequestBuilder.java
com.github.khandroid.http.request.PostRequestBuilder.java
com.github.khandroid.http.request.RequestBuilder.java
com.github.khandroid.http.ssl.DefaultSslHttpClient.java
com.github.khandroid.http.ssl.KhandroidX509TrustManager.java
com.github.khandroid.http.ssl.SslSocketFactory.java
com.github.khandroid.kat.ActivityKatExecutorFunctionality.java
com.github.khandroid.kat.FragmentKatExecutorFunctionality.java
com.github.khandroid.kat.KatExecutor.java
com.github.khandroid.kat.KhandroidAsyncTask.java
com.github.khandroid.misc.ActivityUtils.java
com.github.khandroid.misc.DateTimeHelper.java
com.github.khandroid.misc.ImageUtils.java
com.github.khandroid.misc.LocationUtils.java
com.github.khandroid.misc.NetUtils.java
com.github.khandroid.misc.StringUtils.java
com.github.khandroid.misc.ViewUtils.java
com.github.khandroid.rest.InvalidJsonString.java
com.github.khandroid.rest.InvalidResponseException.java
com.github.khandroid.rest.KhRestExchangeBuilder.java
com.github.khandroid.rest.KhRestFunctionalityImpl.java
com.github.khandroid.rest.KhRestFunctionality.java
com.github.khandroid.rest.KhRestResult.java
com.github.khandroid.rest.MalformedResponseException.java
com.github.khandroid.rest.RawRestResult.java
com.github.khandroid.rest.RestAsyncTask.java
com.github.khandroid.rest.RestExchangeBuilder.java
com.github.khandroid.rest.RestExchangeFailedException.java
com.github.khandroid.rest.RestExchangeOutcome.java
com.github.khandroid.rest.RestExchange.java
com.github.khandroid.rest.RestFragmentFunctionality.java
com.github.khandroid.rest.RestFunctionalityImpl.java
com.github.khandroid.rest.RestFunctionality.java
com.github.khandroid.rest.RestPersistFragment.java
com.github.khandroid.rest.RestResponse.java
com.github.khandroid.rest.RestResult.java
com.github.khandroid.rest.UnexpectedResponseException.java
com.github.khandroid.state.StateEvent.java
com.github.khandroid.state.StateMachineImpl.java
com.github.khandroid.state.StateMachine.java
com.github.khandroid.state.StateSkeleton.java
com.github.khandroid.state.State.java
com.github.khandroid.state_app.AppStateContextImpl.java
com.github.khandroid.state_app.AppStateContext.java
com.github.khandroid.state_app.AppState.java
com.github.khandroid.state_app.InvalidAppStateException.java
com.github.khandroid.state_app.SkeletonAppState.java
com.github.khandroid.state_app.StateEvent.java
com.github.khandroid.ui_functionality.ActivityAttachable.java
com.github.khandroid.ui_functionality.ActivityAttachedFunctionality.java
com.github.khandroid.ui_functionality.ActivityUniqueAttachedFunctionality.java
com.github.khandroid.ui_functionality.FragmentAttachable.java
com.github.khandroid.ui_functionality.FragmentAttachedFunctionality.java
com.github.khandroid.ui_functionality.FragmentUniqueAttachedFunctionality.java
com.github.khandroid.ui_functionality.HostActivity.java
com.github.khandroid.ui_functionality.HostFragment.java
com.github.khandroid.ui_functionality.SuperNotCalledException.java
com.github.khandroid.views.ImageViewWithContextMenuInfo.java
com.github.khandroid.volley.GetJsonObjectRequestBuilder.java
com.github.khandroid.volley.GetStringRequestBuilder.java
com.github.khandroid.volley.GetVRestRequestBuilder.java
com.github.khandroid.volley.PostJsonObjectRequestBuilder.java
com.github.khandroid.volley.PostRequestBuilderImpl.java
com.github.khandroid.volley.PostRequestBuilder.java
com.github.khandroid.volley.PostStringRequestBuilder.java
com.github.khandroid.volley.PostVRestRequestBuilder.java
com.github.khandroid.volley.RequestBuilder.java
com.github.khandroid.volley.VRestRequestBuilder.java
com.github.khandroid.volley.VRestRequest.java