Examples of BackoffManager

org.apache.http.client.BackoffManager
Represents a controller that dynamically adjusts the size of an available connection pool based on feedback from using the connections. @since 4.2

Examples of org.apache.http.client.BackoffManager


        HttpContext execContext = null;
        RequestDirector director = null;
        HttpRoutePlanner routePlanner = null;
        ConnectionBackoffStrategy connectionBackoffStrategy = null;
        BackoffManager backoffManager = null;


        // Initialize the request execution context making copies of
        // all shared objects that are potentially threading unsafe.
        synchronized (this) {


            final HttpContext defaultContext = createHttpContext();
            if (context == null) {
                execContext = defaultContext;
            } else {
                execContext = new DefaultedHttpContext(context, defaultContext);
            }
            final HttpParams params = determineParams(request);
            final RequestConfig config = HttpClientParamConfig.getRequestConfig(params);
            execContext.setAttribute(ClientContext.REQUEST_CONFIG, config);


            // Create a director for this request
            director = createClientRequestDirector(
                    getRequestExecutor(),
                    getConnectionManager(),
                    getConnectionReuseStrategy(),
                    getConnectionKeepAliveStrategy(),
                    getRoutePlanner(),
                    getProtocolProcessor(),
                    getHttpRequestRetryHandler(),
                    getRedirectStrategy(),
                    getTargetAuthenticationStrategy(),
                    getProxyAuthenticationStrategy(),
                    getUserTokenHandler(),
                    params);
            routePlanner = getRoutePlanner();
            connectionBackoffStrategy = getConnectionBackoffStrategy();
            backoffManager = getBackoffManager();
        }


        try {
            if (connectionBackoffStrategy != null && backoffManager != null) {
                final HttpHost targetForRoute = (target != null) ? target
                        : (HttpHost) determineParams(request).getParameter(
                                ClientPNames.DEFAULT_HOST);
                final HttpRoute route = routePlanner.determineRoute(targetForRoute, request, execContext);


                final CloseableHttpResponse out;
                try {
                    out = CloseableHttpResponseProxy.newProxy(
                            director.execute(target, request, execContext));
                } catch (final RuntimeException re) {
                    if (connectionBackoffStrategy.shouldBackoff(re)) {
                        backoffManager.backOff(route);
                    }
                    throw re;
                } catch (final Exception e) {
                    if (connectionBackoffStrategy.shouldBackoff(e)) {
                        backoffManager.backOff(route);
                    }
                    if (e instanceof HttpException) {
                        throw (HttpException)e;
                    }
                    if (e instanceof IOException) {
                        throw (IOException)e;
                    }
                    throw new UndeclaredThrowableException(e);
                }
                if (connectionBackoffStrategy.shouldBackoff(out)) {
                    backoffManager.backOff(route);
                } else {
                    backoffManager.probe(route);
                }
                return out;
            } else {
                return CloseableHttpResponseProxy.newProxy(
                        director.execute(target, request, execContext));

View Full Code Here

Examples of org.apache.http.client.BackoffManager


        HttpContext execContext = null;
        RequestDirector director = null;
        HttpRoutePlanner routePlanner = null;
        ConnectionBackoffStrategy connectionBackoffStrategy = null;
        BackoffManager backoffManager = null;


        // Initialize the request execution context making copies of
        // all shared objects that are potentially threading unsafe.
        synchronized (this) {


            final HttpContext defaultContext = createHttpContext();
            if (context == null) {
                execContext = defaultContext;
            } else {
                execContext = new DefaultedHttpContext(context, defaultContext);
            }
            // Create a director for this request
            director = createClientRequestDirector(
                    getRequestExecutor(),
                    getConnectionManager(),
                    getConnectionReuseStrategy(),
                    getConnectionKeepAliveStrategy(),
                    getRoutePlanner(),
                    getProtocolProcessor(),
                    getHttpRequestRetryHandler(),
                    getRedirectStrategy(),
                    getTargetAuthenticationStrategy(),
                    getProxyAuthenticationStrategy(),
                    getUserTokenHandler(),
                    determineParams(request));
            routePlanner = getRoutePlanner();
            connectionBackoffStrategy = getConnectionBackoffStrategy();
            backoffManager = getBackoffManager();
        }


        try {
            if (connectionBackoffStrategy != null && backoffManager != null) {
                final HttpHost targetForRoute = (target != null) ? target
                        : (HttpHost) determineParams(request).getParameter(
                                ClientPNames.DEFAULT_HOST);
                final HttpRoute route = routePlanner.determineRoute(targetForRoute, request, execContext);


                CloseableHttpResponse out;
                try {
                    out = CloseableHttpResponseProxy.newProxy(
                            director.execute(target, request, execContext));
                } catch (final RuntimeException re) {
                    if (connectionBackoffStrategy.shouldBackoff(re)) {
                        backoffManager.backOff(route);
                    }
                    throw re;
                } catch (final Exception e) {
                    if (connectionBackoffStrategy.shouldBackoff(e)) {
                        backoffManager.backOff(route);
                    }
                    if (e instanceof HttpException) {
                        throw (HttpException)e;
                    }
                    if (e instanceof IOException) {
                        throw (IOException)e;
                    }
                    throw new UndeclaredThrowableException(e);
                }
                if (connectionBackoffStrategy.shouldBackoff(out)) {
                    backoffManager.backOff(route);
                } else {
                    backoffManager.probe(route);
                }
                return out;
            } else {
                return CloseableHttpResponseProxy.newProxy(
                        director.execute(target, request, execContext));

View Full Code Here

Examples of org.apache.http.client.BackoffManager

        final ServiceUnavailableRetryStrategy serviceUnavailStrategy = this.serviceUnavailStrategy;
        if (serviceUnavailStrategy != null) {
            execChain = new ServiceUnavailableRetryExec(execChain, serviceUnavailStrategy);
        }
        // Optionally, add connection back-off executor
        final BackoffManager backoffManager = this.backoffManager;
        final ConnectionBackoffStrategy connectionBackoffStrategy = this.connectionBackoffStrategy;
        if (backoffManager != null && connectionBackoffStrategy != null) {
            execChain = new BackoffStrategyExec(execChain, connectionBackoffStrategy, backoffManager);
        }

View Full Code Here

Examples of org.apache.http.client.BackoffManager


        HttpContext execContext = null;
        RequestDirector director = null;
        HttpRoutePlanner routePlanner = null;
        ConnectionBackoffStrategy connectionBackoffStrategy = null;
        BackoffManager backoffManager = null;


        // Initialize the request execution context making copies of
        // all shared objects that are potentially threading unsafe.
        synchronized (this) {


            HttpContext defaultContext = createHttpContext();
            if (context == null) {
                execContext = defaultContext;
            } else {
                execContext = new DefaultedHttpContext(context, defaultContext);
            }
            // Create a director for this request
            director = createClientRequestDirector(
                    getRequestExecutor(),
                    getConnectionManager(),
                    getConnectionReuseStrategy(),
                    getConnectionKeepAliveStrategy(),
                    getRoutePlanner(),
                    getProtocolProcessor(),
                    getHttpRequestRetryHandler(),
                    getRedirectStrategy(),
                    getTargetAuthenticationStrategy(),
                    getProxyAuthenticationStrategy(),
                    getUserTokenHandler(),
                    determineParams(request));
            routePlanner = getRoutePlanner();
            connectionBackoffStrategy = getConnectionBackoffStrategy();
            backoffManager = getBackoffManager();
        }


        try {
            if (connectionBackoffStrategy != null && backoffManager != null) {
                HttpHost targetForRoute = (target != null) ? target
                        : (HttpHost) determineParams(request).getParameter(
                                ClientPNames.DEFAULT_HOST);
                HttpRoute route = routePlanner.determineRoute(targetForRoute, request, execContext);


                HttpResponse out;
                try {
                    out = director.execute(target, request, execContext);
                } catch (RuntimeException re) {
                    if (connectionBackoffStrategy.shouldBackoff(re)) {
                        backoffManager.backOff(route);
                    }
                    throw re;
                } catch (Exception e) {
                    if (connectionBackoffStrategy.shouldBackoff(e)) {
                        backoffManager.backOff(route);
                    }
                    if (e instanceof HttpException) throw (HttpException)e;
                    if (e instanceof IOException) throw (IOException)e;
                    throw new UndeclaredThrowableException(e);
                }
                if (connectionBackoffStrategy.shouldBackoff(out)) {
                    backoffManager.backOff(route);
                } else {
                    backoffManager.probe(route);
                }
                return out;
            } else {
                return director.execute(target, request, execContext);
            }

View Full Code Here

Examples of org.apache.http.client.BackoffManager

        final ServiceUnavailableRetryStrategy serviceUnavailStrategy = this.serviceUnavailStrategy;
        if (serviceUnavailStrategy != null) {
            execChain = new ServiceUnavailableRetryExec(execChain, serviceUnavailStrategy);
        }
        // Optionally, add connection back-off executor
        final BackoffManager backoffManager = this.backoffManager;
        final ConnectionBackoffStrategy connectionBackoffStrategy = this.connectionBackoffStrategy;
        if (backoffManager != null && connectionBackoffStrategy != null) {
            execChain = new BackoffStrategyExec(execChain, connectionBackoffStrategy, backoffManager);
        }

View Full Code Here

Examples of org.apache.http.client.BackoffManager


        HttpContext execContext = null;
        RequestDirector director = null;
        HttpRoutePlanner routePlanner = null;
        ConnectionBackoffStrategy connectionBackoffStrategy = null;
        BackoffManager backoffManager = null;


        // Initialize the request execution context making copies of
        // all shared objects that are potentially threading unsafe.
        synchronized (this) {


            final HttpContext defaultContext = createHttpContext();
            if (context == null) {
                execContext = defaultContext;
            } else {
                execContext = new DefaultedHttpContext(context, defaultContext);
            }
            // Create a director for this request
            director = createClientRequestDirector(
                    getRequestExecutor(),
                    getConnectionManager(),
                    getConnectionReuseStrategy(),
                    getConnectionKeepAliveStrategy(),
                    getRoutePlanner(),
                    getProtocolProcessor(),
                    getHttpRequestRetryHandler(),
                    getRedirectStrategy(),
                    getTargetAuthenticationStrategy(),
                    getProxyAuthenticationStrategy(),
                    getUserTokenHandler(),
                    determineParams(request));
            routePlanner = getRoutePlanner();
            connectionBackoffStrategy = getConnectionBackoffStrategy();
            backoffManager = getBackoffManager();
        }


        try {
            if (connectionBackoffStrategy != null && backoffManager != null) {
                final HttpHost targetForRoute = (target != null) ? target
                        : (HttpHost) determineParams(request).getParameter(
                                ClientPNames.DEFAULT_HOST);
                final HttpRoute route = routePlanner.determineRoute(targetForRoute, request, execContext);


                HttpResponse out;
                try {
                    out = director.execute(target, request, execContext);
                } catch (final RuntimeException re) {
                    if (connectionBackoffStrategy.shouldBackoff(re)) {
                        backoffManager.backOff(route);
                    }
                    throw re;
                } catch (final Exception e) {
                    if (connectionBackoffStrategy.shouldBackoff(e)) {
                        backoffManager.backOff(route);
                    }
                    if (e instanceof HttpException) throw (HttpException)e;
                    if (e instanceof IOException) throw (IOException)e;
                    throw new UndeclaredThrowableException(e);
                }
                if (connectionBackoffStrategy.shouldBackoff(out)) {
                    backoffManager.backOff(route);
                } else {
                    backoffManager.probe(route);
                }
                return out;
            } else {
                return director.execute(target, request, execContext);
            }

View Full Code Here

Examples of org.apache.http.client.BackoffManager


        HttpContext execContext = null;
        RequestDirector director = null;
        HttpRoutePlanner routePlanner = null;
        ConnectionBackoffStrategy connectionBackoffStrategy = null;
        BackoffManager backoffManager = null;


        // Initialize the request execution context making copies of
        // all shared objects that are potentially threading unsafe.
        synchronized (this) {


            final HttpContext defaultContext = createHttpContext();
            if (context == null) {
                execContext = defaultContext;
            } else {
                execContext = new DefaultedHttpContext(context, defaultContext);
            }
            final HttpParams params = determineParams(request);
            final RequestConfig config = HttpClientParamConfig.getRequestConfig(params);
            execContext.setAttribute(ClientContext.REQUEST_CONFIG, config);


            // Create a director for this request
            director = createClientRequestDirector(
                    getRequestExecutor(),
                    getConnectionManager(),
                    getConnectionReuseStrategy(),
                    getConnectionKeepAliveStrategy(),
                    getRoutePlanner(),
                    getProtocolProcessor(),
                    getHttpRequestRetryHandler(),
                    getRedirectStrategy(),
                    getTargetAuthenticationStrategy(),
                    getProxyAuthenticationStrategy(),
                    getUserTokenHandler(),
                    params);
            routePlanner = getRoutePlanner();
            connectionBackoffStrategy = getConnectionBackoffStrategy();
            backoffManager = getBackoffManager();
        }


        try {
            if (connectionBackoffStrategy != null && backoffManager != null) {
                final HttpHost targetForRoute = (target != null) ? target
                        : (HttpHost) determineParams(request).getParameter(
                                ClientPNames.DEFAULT_HOST);
                final HttpRoute route = routePlanner.determineRoute(targetForRoute, request, execContext);


                CloseableHttpResponse out;
                try {
                    out = CloseableHttpResponseProxy.newProxy(
                            director.execute(target, request, execContext));
                } catch (final RuntimeException re) {
                    if (connectionBackoffStrategy.shouldBackoff(re)) {
                        backoffManager.backOff(route);
                    }
                    throw re;
                } catch (final Exception e) {
                    if (connectionBackoffStrategy.shouldBackoff(e)) {
                        backoffManager.backOff(route);
                    }
                    if (e instanceof HttpException) {
                        throw (HttpException)e;
                    }
                    if (e instanceof IOException) {
                        throw (IOException)e;
                    }
                    throw new UndeclaredThrowableException(e);
                }
                if (connectionBackoffStrategy.shouldBackoff(out)) {
                    backoffManager.backOff(route);
                } else {
                    backoffManager.probe(route);
                }
                return out;
            } else {
                return CloseableHttpResponseProxy.newProxy(
                        director.execute(target, request, execContext));

View Full Code Here

Examples of org.apache.http.client.BackoffManager

        final ServiceUnavailableRetryStrategy serviceUnavailStrategy = this.serviceUnavailStrategy;
        if (serviceUnavailStrategy != null) {
            execChain = new ServiceUnavailableRetryExec(execChain, serviceUnavailStrategy);
        }
        // Optionally, add connection back-off executor
        final BackoffManager backoffManager = this.backoffManager;
        final ConnectionBackoffStrategy connectionBackoffStrategy = this.connectionBackoffStrategy;
        if (backoffManager != null && connectionBackoffStrategy != null) {
            execChain = new BackoffStrategyExec(execChain, connectionBackoffStrategy, backoffManager);
        }

View Full Code Here

Examples of org.apache.http.client.BackoffManager


        HttpContext execContext = null;
        RequestDirector director = null;
        HttpRoutePlanner routePlanner = null;
        ConnectionBackoffStrategy connectionBackoffStrategy = null;
        BackoffManager backoffManager = null;


        // Initialize the request execution context making copies of
        // all shared objects that are potentially threading unsafe.
        synchronized (this) {


            final HttpContext defaultContext = createHttpContext();
            if (context == null) {
                execContext = defaultContext;
            } else {
                execContext = new DefaultedHttpContext(context, defaultContext);
            }
            final HttpParams params = determineParams(request);
            final RequestConfig config = HttpClientParamConfig.getRequestConfig(params);
            execContext.setAttribute(ClientContext.REQUEST_CONFIG, config);


            // Create a director for this request
            director = createClientRequestDirector(
                    getRequestExecutor(),
                    getConnectionManager(),
                    getConnectionReuseStrategy(),
                    getConnectionKeepAliveStrategy(),
                    getRoutePlanner(),
                    getProtocolProcessor(),
                    getHttpRequestRetryHandler(),
                    getRedirectStrategy(),
                    getTargetAuthenticationStrategy(),
                    getProxyAuthenticationStrategy(),
                    getUserTokenHandler(),
                    params);
            routePlanner = getRoutePlanner();
            connectionBackoffStrategy = getConnectionBackoffStrategy();
            backoffManager = getBackoffManager();
        }


        try {
            if (connectionBackoffStrategy != null && backoffManager != null) {
                final HttpHost targetForRoute = (target != null) ? target
                        : (HttpHost) determineParams(request).getParameter(
                                ClientPNames.DEFAULT_HOST);
                final HttpRoute route = routePlanner.determineRoute(targetForRoute, request, execContext);


                final CloseableHttpResponse out;
                try {
                    out = CloseableHttpResponseProxy.newProxy(
                            director.execute(target, request, execContext));
                } catch (final RuntimeException re) {
                    if (connectionBackoffStrategy.shouldBackoff(re)) {
                        backoffManager.backOff(route);
                    }
                    throw re;
                } catch (final Exception e) {
                    if (connectionBackoffStrategy.shouldBackoff(e)) {
                        backoffManager.backOff(route);
                    }
                    if (e instanceof HttpException) {
                        throw (HttpException)e;
                    }
                    if (e instanceof IOException) {
                        throw (IOException)e;
                    }
                    throw new UndeclaredThrowableException(e);
                }
                if (connectionBackoffStrategy.shouldBackoff(out)) {
                    backoffManager.backOff(route);
                } else {
                    backoffManager.probe(route);
                }
                return out;
            } else {
                return CloseableHttpResponseProxy.newProxy(
                        director.execute(target, request, execContext));

View Full Code Here

Examples of org.apache.http.client.BackoffManager


        HttpContext execContext = null;
        RequestDirector director = null;
        HttpRoutePlanner routePlanner = null;
        ConnectionBackoffStrategy connectionBackoffStrategy = null;
        BackoffManager backoffManager = null;


        // Initialize the request execution context making copies of
        // all shared objects that are potentially threading unsafe.
        synchronized (this) {


            HttpContext defaultContext = createHttpContext();
            if (context == null) {
                execContext = defaultContext;
            } else {
                execContext = new DefaultedHttpContext(context, defaultContext);
            }
            // Create a director for this request
            director = createClientRequestDirector(
                    getRequestExecutor(),
                    getConnectionManager(),
                    getConnectionReuseStrategy(),
                    getConnectionKeepAliveStrategy(),
                    getRoutePlanner(),
                    getProtocolProcessor(),
                    getHttpRequestRetryHandler(),
                    getRedirectStrategy(),
                    getTargetAuthenticationStrategy(),
                    getProxyAuthenticationStrategy(),
                    getUserTokenHandler(),
                    determineParams(request));
            routePlanner = getRoutePlanner();
            connectionBackoffStrategy = getConnectionBackoffStrategy();
            backoffManager = getBackoffManager();
        }


        try {
            if (connectionBackoffStrategy != null && backoffManager != null) {
                HttpHost targetForRoute = (target != null) ? target
                        : (HttpHost) determineParams(request).getParameter(
                                ClientPNames.DEFAULT_HOST);
                HttpRoute route = routePlanner.determineRoute(targetForRoute, request, execContext);


                HttpResponse out;
                try {
                    out = director.execute(target, request, execContext);
                } catch (RuntimeException re) {
                    if (connectionBackoffStrategy.shouldBackoff(re)) {
                        backoffManager.backOff(route);
                    }
                    throw re;
                } catch (Exception e) {
                    if (connectionBackoffStrategy.shouldBackoff(e)) {
                        backoffManager.backOff(route);
                    }
                    if (e instanceof HttpException) throw (HttpException)e;
                    if (e instanceof IOException) throw (IOException)e;
                    throw new UndeclaredThrowableException(e);
                }
                if (connectionBackoffStrategy.shouldBackoff(out)) {
                    backoffManager.backOff(route);
                } else {
                    backoffManager.probe(route);
                }
                return out;
            } else {
                return director.execute(target, request, execContext);
            }

View Full Code Here

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