Java Code Examples for com.alibaba.dubbo.common.URL#getMethodParameter()

The following examples show how to use com.alibaba.dubbo.common.URL#getMethodParameter() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: ConsistentHashLoadBalance.java    From dubbox with Apache License 2.0 6 votes vote down vote up 
public ConsistentHashSelector(List<Invoker<T>> invokers, String methodName, int identityHashCode) {
    this.virtualInvokers = new TreeMap<Long, Invoker<T>>();
    this.identityHashCode = System.identityHashCode(invokers);
    URL url = invokers.get(0).getUrl();
    this.replicaNumber = url.getMethodParameter(methodName, "hash.nodes", 160);
    String[] index = Constants.COMMA_SPLIT_PATTERN.split(url.getMethodParameter(methodName, "hash.arguments", "0"));
    argumentIndex = new int[index.length];
    for (int i = 0; i < index.length; i ++) {
        argumentIndex[i] = Integer.parseInt(index[i]);
    }
    for (Invoker<T> invoker : invokers) {
        for (int i = 0; i < replicaNumber / 4; i++) {
            byte[] digest = md5(invoker.getUrl().toFullString() + i);
            for (int h = 0; h < 4; h++) {
                long m = hash(digest, h);
                virtualInvokers.put(m, invoker);
            }
        }
    }
}
Example 2
Source File: ConsistentHashLoadBalance.java    From dubbox with Apache License 2.0 6 votes vote down vote up 
public ConsistentHashSelector(List<Invoker<T>> invokers, String methodName, int identityHashCode) {
    this.virtualInvokers = new TreeMap<Long, Invoker<T>>();
    this.identityHashCode = System.identityHashCode(invokers);
    URL url = invokers.get(0).getUrl();
    this.replicaNumber = url.getMethodParameter(methodName, "hash.nodes", 160);
    String[] index = Constants.COMMA_SPLIT_PATTERN.split(url.getMethodParameter(methodName, "hash.arguments", "0"));
    argumentIndex = new int[index.length];
    for (int i = 0; i < index.length; i ++) {
        argumentIndex[i] = Integer.parseInt(index[i]);
    }
    for (Invoker<T> invoker : invokers) {
        for (int i = 0; i < replicaNumber / 4; i++) {
            byte[] digest = md5(invoker.getUrl().toFullString() + i);
            for (int h = 0; h < 4; h++) {
                long m = hash(digest, h);
                virtualInvokers.put(m, invoker);
            }
        }
    }
}
Example 3
Source File: ConsistentHashLoadBalance.java    From dubbox-hystrix with Apache License 2.0 6 votes vote down vote up 
public ConsistentHashSelector(List<Invoker<T>> invokers, String methodName, int identityHashCode) {
    this.virtualInvokers = new TreeMap<Long, Invoker<T>>();
    this.identityHashCode = System.identityHashCode(invokers);
    URL url = invokers.get(0).getUrl();
    this.replicaNumber = url.getMethodParameter(methodName, "hash.nodes", 160);
    String[] index = Constants.COMMA_SPLIT_PATTERN.split(url.getMethodParameter(methodName, "hash.arguments", "0"));
    argumentIndex = new int[index.length];
    for (int i = 0; i < index.length; i ++) {
        argumentIndex[i] = Integer.parseInt(index[i]);
    }
    for (Invoker<T> invoker : invokers) {
        for (int i = 0; i < replicaNumber / 4; i++) {
            byte[] digest = md5(invoker.getUrl().toFullString() + i);
            for (int h = 0; h < 4; h++) {
                long m = hash(digest, h);
                virtualInvokers.put(m, invoker);
            }
        }
    }
}
Example 4
Source File: ConsistentHashLoadBalance.java    From dubbox with Apache License 2.0 6 votes vote down vote up 
public ConsistentHashSelector(List<Invoker<T>> invokers, String methodName, int identityHashCode) {
    this.virtualInvokers = new TreeMap<Long, Invoker<T>>();
    this.identityHashCode = System.identityHashCode(invokers);
    URL url = invokers.get(0).getUrl();
    this.replicaNumber = url.getMethodParameter(methodName, "hash.nodes", 160);
    String[] index = Constants.COMMA_SPLIT_PATTERN.split(url.getMethodParameter(methodName, "hash.arguments", "0"));
    argumentIndex = new int[index.length];
    for (int i = 0; i < index.length; i ++) {
        argumentIndex[i] = Integer.parseInt(index[i]);
    }
    for (Invoker<T> invoker : invokers) {
        for (int i = 0; i < replicaNumber / 4; i++) {
            byte[] digest = md5(invoker.getUrl().toFullString() + i);
            for (int h = 0; h < 4; h++) {
                long m = hash(digest, h);
                virtualInvokers.put(m, invoker);
            }
        }
    }
}
Example 5
Source File: ConsistentHashLoadBalance.java    From dubbo3 with Apache License 2.0 6 votes vote down vote up 
public ConsistentHashSelector(List<Invoker<T>> invokers, String methodName, int identityHashCode) {
    this.virtualInvokers = new TreeMap<>();
    this.identityHashCode = System.identityHashCode(invokers);
    URL url = invokers.get(0).getUrl();
    this.replicaNumber = url.getMethodParameter(methodName, "hash.nodes", 160);
    String[] index = Constants.COMMA_SPLIT_PATTERN.split(url.getMethodParameter(methodName, "hash.arguments", "0"));
    argumentIndex = new int[index.length];
    for (int i = 0; i < index.length; i++) {
        argumentIndex[i] = Integer.parseInt(index[i]);
    }
    for (Invoker<T> invoker : invokers) {
        for (int i = 0; i < replicaNumber / 4; i++) {
            byte[] digest = md5(invoker.getUrl().toFullString() + i);
            for (int h = 0; h < 4; h++) {
                long m = hash(digest, h);
                virtualInvokers.put(m, invoker);
            }
        }
    }
}
Example 6
Source File: ConsistentHashLoadBalance.java    From dubbo-2.6.5 with Apache License 2.0 6 votes vote down vote up 
ConsistentHashSelector(List<Invoker<T>> invokers, String methodName, int identityHashCode) {
    this.virtualInvokers = new TreeMap<Long, Invoker<T>>();
    this.identityHashCode = identityHashCode;
    URL url = invokers.get(0).getUrl();
    this.replicaNumber = url.getMethodParameter(methodName, "hash.nodes", 160);
    String[] index = Constants.COMMA_SPLIT_PATTERN.split(url.getMethodParameter(methodName, "hash.arguments", "0"));
    argumentIndex = new int[index.length];
    for (int i = 0; i < index.length; i++) {
        argumentIndex[i] = Integer.parseInt(index[i]);
    }
    for (Invoker<T> invoker : invokers) {
        String address = invoker.getUrl().getAddress();
        for (int i = 0; i < replicaNumber / 4; i++) {
            byte[] digest = md5(address + i);
            for (int h = 0; h < 4; h++) {
                long m = hash(digest, h);
                virtualInvokers.put(m, invoker);
            }
        }
    }
}
Example 7
Source File: RpcUtils.java    From dubbo3 with Apache License 2.0 5 votes vote down vote up 
private static boolean isAttachInvocationId(URL url, Invocation invocation) {
    String value = url.getMethodParameter(invocation.getMethodName(), Constants.AUTO_ATTACH_INVOCATIONID_KEY);
    if (value == null) {
        //异步操作默认添加invocationid
        return isAsync(url, invocation);
    } else //设置为添加，则一定添加
        //value为false时，不添加
        return Boolean.TRUE.toString().equalsIgnoreCase(value);
}
Example 8
Source File: ExecuteLimitFilter.java    From dubbox with Apache License 2.0 5 votes vote down vote up 
public Result invoke(Invoker<?> invoker, Invocation invocation) throws RpcException {
    URL url = invoker.getUrl();
    String methodName = invocation.getMethodName();
    int max = url.getMethodParameter(methodName, Constants.EXECUTES_KEY, 0);
    if (max > 0) {
        RpcStatus count = RpcStatus.getStatus(url, invocation.getMethodName());
        if (count.getActive() >= max) {
            throw new RpcException("Failed to invoke method " + invocation.getMethodName() + " in provider " + url + ", cause: The service using threads greater than <dubbo:service executes=\"" + max + "\" /> limited.");
        }
    }
    long begin = System.currentTimeMillis();
    boolean isException = false;
    RpcStatus.beginCount(url, methodName);
    try {
        Result result = invoker.invoke(invocation);
        return result;
    } catch (Throwable t) {
        isException = true;
        if(t instanceof RuntimeException) {
            throw (RuntimeException) t;
        }
        else {
            throw new RpcException("unexpected exception when ExecuteLimitFilter", t);
        }
    }
    finally {
        RpcStatus.endCount(url, methodName, System.currentTimeMillis() - begin, isException);
    }
}
Example 9
Source File: RpcUtils.java    From dubbox with Apache License 2.0 5 votes vote down vote up 
private static boolean isAttachInvocationId(URL url , Invocation invocation) {
	String value = url.getMethodParameter(invocation.getMethodName(), Constants.AUTO_ATTACH_INVOCATIONID_KEY);
	if ( value == null ) {
		//异步操作默认添加invocationid
		return isAsync(url,invocation) ;
	} else if (Boolean.TRUE.toString().equalsIgnoreCase(value)) {
		//设置为添加，则一定添加
		return true;
	} else {
		//value为false时，不添加
		return false;
	}
}
Example 10
Source File: ExecuteLimitFilter.java    From dubbox with Apache License 2.0 5 votes vote down vote up 
public Result invoke(Invoker<?> invoker, Invocation invocation) throws RpcException {
    URL url = invoker.getUrl();
    String methodName = invocation.getMethodName();
    int max = url.getMethodParameter(methodName, Constants.EXECUTES_KEY, 0);
    if (max > 0) {
        RpcStatus count = RpcStatus.getStatus(url, invocation.getMethodName());
        if (count.getActive() >= max) {
            throw new RpcException("Failed to invoke method " + invocation.getMethodName() + " in provider " + url + ", cause: The service using threads greater than <dubbo:service executes=\"" + max + "\" /> limited.");
        }
    }
    long begin = System.currentTimeMillis();
    boolean isException = false;
    RpcStatus.beginCount(url, methodName);
    try {
        Result result = invoker.invoke(invocation);
        return result;
    } catch (Throwable t) {
        isException = true;
        if(t instanceof RuntimeException) {
            throw (RuntimeException) t;
        }
        else {
            throw new RpcException("unexpected exception when ExecuteLimitFilter", t);
        }
    }
    finally {
        RpcStatus.endCount(url, methodName, System.currentTimeMillis() - begin, isException);
    }
}
Example 11
Source File: RpcUtils.java    From dubbox with Apache License 2.0 5 votes vote down vote up 
private static boolean isAttachInvocationId(URL url , Invocation invocation) {
	String value = url.getMethodParameter(invocation.getMethodName(), Constants.AUTO_ATTACH_INVOCATIONID_KEY);
	if ( value == null ) {
		//异步操作默认添加invocationid
		return isAsync(url,invocation) ;
	} else if (Boolean.TRUE.toString().equalsIgnoreCase(value)) {
		//设置为添加，则一定添加
		return true;
	} else {
		//value为false时，不添加
		return false;
	}
}
Example 12
Source File: ExecuteLimitFilter.java    From dubbo3 with Apache License 2.0 5 votes vote down vote up 
public Result invoke(Invoker<?> invoker, Invocation invocation) throws RpcException {
    URL url = invoker.getUrl();
    String methodName = invocation.getMethodName();
    int max = url.getMethodParameter(methodName, Constants.EXECUTES_KEY, 0);
    if (max > 0) {
        RpcStatus count = RpcStatus.getStatus(url, invocation.getMethodName());
        if (count.getActive() >= max) {
            throw new RpcException("Failed to invoke method " + invocation.getMethodName() + " in provider " + url + ", cause: The service using threads greater than <dubbo:service executes=\"" + max + "\" /> limited.");
        }
    }
    long begin = System.currentTimeMillis();
    boolean isException = false;
    RpcStatus.beginCount(url, methodName);
    try {
        return invoker.invoke(invocation);
    } catch (Throwable t) {
        isException = true;
        if(t instanceof RuntimeException) {
            throw (RuntimeException) t;
        }
        else {
            throw new RpcException("unexpected exception when ExecuteLimitFilter", t);
        }
    }
    finally {
        RpcStatus.endCount(url, methodName, System.currentTimeMillis() - begin, isException);
    }
}
Example 13
Source File: ExecuteLimitFilter.java    From dubbox-hystrix with Apache License 2.0 5 votes vote down vote up 
public Result invoke(Invoker<?> invoker, Invocation invocation) throws RpcException {
    URL url = invoker.getUrl();
    String methodName = invocation.getMethodName();
    int max = url.getMethodParameter(methodName, Constants.EXECUTES_KEY, 0);
    if (max > 0) {
        RpcStatus count = RpcStatus.getStatus(url, invocation.getMethodName());
        if (count.getActive() >= max) {
            throw new RpcException("Failed to invoke method " + invocation.getMethodName() + " in provider " + url + ", cause: The service using threads greater than <dubbo:service executes=\"" + max + "\" /> limited.");
        }
    }
    long begin = System.currentTimeMillis();
    boolean isException = false;
    RpcStatus.beginCount(url, methodName);
    try {
        Result result = invoker.invoke(invocation);
        return result;
    } catch (Throwable t) {
        isException = true;
        if(t instanceof RuntimeException) {
            throw (RuntimeException) t;
        }
        else {
            throw new RpcException("unexpected exception when ExecuteLimitFilter", t);
        }
    }
    finally {
        RpcStatus.endCount(url, methodName, System.currentTimeMillis() - begin, isException);
    }
}
Example 14
Source File: RpcUtils.java    From dubbox-hystrix with Apache License 2.0 5 votes vote down vote up 
private static boolean isAttachInvocationId(URL url , Invocation invocation) {
	String value = url.getMethodParameter(invocation.getMethodName(), Constants.AUTO_ATTACH_INVOCATIONID_KEY);
	if ( value == null ) {
		//异步操作默认添加invocationid
		return isAsync(url,invocation) ;
	} else if (Boolean.TRUE.toString().equalsIgnoreCase(value)) {
		//设置为添加，则一定添加
		return true;
	} else {
		//value为false时，不添加
		return false;
	}
}
Example 15
Source File: ExecuteLimitFilter.java    From dubbox with Apache License 2.0 5 votes vote down vote up 
public Result invoke(Invoker<?> invoker, Invocation invocation) throws RpcException {
    URL url = invoker.getUrl();
    String methodName = invocation.getMethodName();
    int max = url.getMethodParameter(methodName, Constants.EXECUTES_KEY, 0);
    if (max > 0) {
        RpcStatus count = RpcStatus.getStatus(url, invocation.getMethodName());
        if (count.getActive() >= max) {
            throw new RpcException("Failed to invoke method " + invocation.getMethodName() + " in provider " + url + ", cause: The service using threads greater than <dubbo:service executes=\"" + max + "\" /> limited.");
        }
    }
    long begin = System.currentTimeMillis();
    boolean isException = false;
    RpcStatus.beginCount(url, methodName);
    try {
        Result result = invoker.invoke(invocation);
        return result;
    } catch (Throwable t) {
        isException = true;
        if(t instanceof RuntimeException) {
            throw (RuntimeException) t;
        }
        else {
            throw new RpcException("unexpected exception when ExecuteLimitFilter", t);
        }
    }
    finally {
        RpcStatus.endCount(url, methodName, System.currentTimeMillis() - begin, isException);
    }
}
Example 16
Source File: RpcUtils.java    From dubbox with Apache License 2.0 5 votes vote down vote up 
private static boolean isAttachInvocationId(URL url , Invocation invocation) {
	String value = url.getMethodParameter(invocation.getMethodName(), Constants.AUTO_ATTACH_INVOCATIONID_KEY);
	if ( value == null ) {
		//异步操作默认添加invocationid
		return isAsync(url,invocation) ;
	} else if (Boolean.TRUE.toString().equalsIgnoreCase(value)) {
		//设置为添加，则一定添加
		return true;
	} else {
		//value为false时，不添加
		return false;
	}
}
Example 17
Source File: RpcUtils.java    From dubbo-2.6.5 with Apache License 2.0 5 votes vote down vote up 
private static boolean isAttachInvocationId(URL url, Invocation invocation) {
    String value = url.getMethodParameter(invocation.getMethodName(), Constants.AUTO_ATTACH_INVOCATIONID_KEY);
    if (value == null) {
        // add invocationid in async operation by default
        return isAsync(url, invocation);
    } else if (Boolean.TRUE.toString().equalsIgnoreCase(value)) {
        return true;
    } else {
        return false;
    }
}
Example 18
Source File: RpcUtils.java    From dubbo3 with Apache License 2.0 4 votes vote down vote up 
public static boolean isOneway(URL url, Invocation inv) {
    //如果Java代码中设置优先.
    return Boolean.FALSE.toString().equals(inv.getAttachment(Constants.RETURN_KEY)) || !url.getMethodParameter(getMethodName(inv), Constants.RETURN_KEY, true);
}
Example 19
Source File: RpcUtils.java    From dubbo3 with Apache License 2.0 4 votes vote down vote up 
public static boolean isAsync(URL url, Invocation inv) {
    //如果Java代码中设置优先.
    return Boolean.TRUE.toString().equals(inv.getAttachment(Constants.ASYNC_KEY)) || url.getMethodParameter(getMethodName(inv), Constants.ASYNC_KEY, false);
}
Example 20
Source File: ExecuteLimitFilter.java    From dubbo-2.6.5 with Apache License 2.0 4 votes vote down vote up 
@Override
    public Result invoke(Invoker<?> invoker, Invocation invocation) throws RpcException {
        URL url = invoker.getUrl();
//        查询执行方法名
        String methodName = invocation.getMethodName();
        Semaphore executesLimit = null;
        boolean acquireResult = false;
//        executes参数是用Semaphore限制并发的，默认是0标识无限制
        int max = url.getMethodParameter(methodName, Constants.EXECUTES_KEY, 0);
        if (max > 0) {
            RpcStatus count = RpcStatus.getStatus(url, invocation.getMethodName());
//            if (count.getActive() >= max) {
            /**
             * http://manzhizhen.iteye.com/blog/2386408
             * use semaphore for concurrency control (to limit thread number)
             */
            executesLimit = count.getSemaphore(max);
            if(executesLimit != null && !(acquireResult = executesLimit.tryAcquire())) {
                throw new RpcException("Failed to invoke method " + invocation.getMethodName() + " in provider " + url + ", cause: The service using threads greater than <dubbo:service executes=\"" + max + "\" /> limited.");
            }
        }
        long begin = System.currentTimeMillis();
        boolean isSuccess = true;
//        执行业务方法之前开始计数
        RpcStatus.beginCount(url, methodName);
        try {
//            执行业务方法
            Result result = invoker.invoke(invocation);
            return result;
        } catch (Throwable t) {
            isSuccess = false;
            if (t instanceof RuntimeException) {
                throw (RuntimeException) t;
            } else {
                throw new RpcException("unexpected exception when ExecuteLimitFilter", t);
            }
        } finally {
//            执行业务方法之后结束计数
            RpcStatus.endCount(url, methodName, System.currentTimeMillis() - begin, isSuccess);
            if(acquireResult) {
                executesLimit.release();
            }
        }
    }