Java CircuitBreaker.create方法代码示例

本文整理汇总了Java中io.vertx.circuitbreaker.CircuitBreaker.create方法的典型用法代码示例。如果您正苦于以下问题：Java CircuitBreaker.create方法的具体用法？Java CircuitBreaker.create怎么用？Java CircuitBreaker.create使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类io.vertx.circuitbreaker.CircuitBreaker的用法示例。

在下文中一共展示了CircuitBreaker.create方法的15个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。

示例1: example2

import io.vertx.circuitbreaker.CircuitBreaker; //导入方法依赖的package包/类
public void example2(Vertx vertx) {
  CircuitBreaker breaker = CircuitBreaker.create("my-circuit-breaker", vertx,
      new CircuitBreakerOptions().setMaxFailures(5).setTimeout(2000)
  );

  breaker.<String>execute(future -> {
    vertx.createHttpClient().getNow(8080, "localhost", "/", response -> {
      if (response.statusCode() != 200) {
        future.fail("HTTP error");
      } else {
        response
            .exceptionHandler(future::fail)
            .bodyHandler(buffer -> {
              future.complete(buffer.toString());
            });
      }
    });
  }).setHandler(ar -> {
    // Do something with the result
  });
}

开发者ID:vert-x3，项目名称:vertx-circuit-breaker，代码行数:22，代码来源:Examples.java

示例2: example3

import io.vertx.circuitbreaker.CircuitBreaker; //导入方法依赖的package包/类
public void example3(Vertx vertx) {
  CircuitBreaker breaker = CircuitBreaker.create("my-circuit-breaker", vertx,
      new CircuitBreakerOptions().setMaxFailures(5).setTimeout(2000)
  );

  breaker.executeWithFallback(
      future -> {
        vertx.createHttpClient().getNow(8080, "localhost", "/", response -> {
          if (response.statusCode() != 200) {
            future.fail("HTTP error");
          } else {
            response
                .exceptionHandler(future::fail)
                .bodyHandler(buffer -> {
                  future.complete(buffer.toString());
                });
          }
        });
      }, v -> {
        // Executed when the circuit is opened
        return "Hello";
      })
      .setHandler(ar -> {
        // Do something with the result
      });
}

开发者ID:vert-x3，项目名称:vertx-circuit-breaker，代码行数:27，代码来源:Examples.java

示例3: testOk

import io.vertx.circuitbreaker.CircuitBreaker; //导入方法依赖的package包/类
@Test
@Repeat(5)
public void testOk() {
  breaker = CircuitBreaker.create("test", vertx, new CircuitBreakerOptions());
  assertThat(breaker.state()).isEqualTo(CircuitBreakerState.CLOSED);

  AtomicBoolean operationCalled = new AtomicBoolean();
  AtomicReference<String> completionCalled = new AtomicReference<>();
  breaker.<String>execute(fut -> {
    operationCalled.set(true);
    fut.complete("hello");
  }).setHandler(ar -> completionCalled.set(ar.result()));

  await().until(operationCalled::get);
  await().until(() -> completionCalled.get().equalsIgnoreCase("hello"));
}

开发者ID:vert-x3，项目名称:vertx-circuit-breaker，代码行数:17，代码来源:CircuitBreakerImplTest.java

示例4: testWithUserFutureOk

import io.vertx.circuitbreaker.CircuitBreaker; //导入方法依赖的package包/类
@Test
@Repeat(5)
public void testWithUserFutureOk() {
  breaker = CircuitBreaker.create("test", vertx, new CircuitBreakerOptions());
  assertThat(breaker.state()).isEqualTo(CircuitBreakerState.CLOSED);

  AtomicBoolean operationCalled = new AtomicBoolean();
  AtomicReference<String> completionCalled = new AtomicReference<>();

  Future<String> userFuture = Future.future();
  userFuture.setHandler(ar ->
    completionCalled.set(ar.result()));

  breaker.executeAndReport(userFuture, fut -> {
    operationCalled.set(true);
    fut.complete("hello");
  });

  await().until(operationCalled::get);
  await().until(() ->  completionCalled.get().equalsIgnoreCase("hello"));
}

开发者ID:vert-x3，项目名称:vertx-circuit-breaker，代码行数:22，代码来源:CircuitBreakerImplTest.java

示例5: testWithFailedCommands

import io.vertx.circuitbreaker.CircuitBreaker; //导入方法依赖的package包/类
@Test
public void testWithFailedCommands(TestContext tc) {
  breaker = CircuitBreaker.create("some-circuit-breaker", vertx);
  Async async = tc.async();

  Future<Void> command1 = breaker.execute(commandThatFails());
  Future<Void> command2 = breaker.execute(commandThatWorks());
  Future<Void> command3 = breaker.execute(commandThatWorks());
  Future<Void> command4 = breaker.execute(commandThatFails());

  CompositeFuture.join(command1, command2, command3, command4)
    .setHandler(ar -> {
      assertThat(metrics())
        .contains("name", "some-circuit-breaker")
        .contains("state", CircuitBreakerState.CLOSED.name())
        .contains("totalErrorCount", 2) // Failure + Timeout + Exception
        .contains("totalSuccessCount", 2)
        .contains("totalTimeoutCount", 0)
        .contains("totalExceptionCount", 0)
        .contains("totalFailureCount", 2)
        .contains("totalOperationCount", 4)
        .contains("totalSuccessPercentage", 50)
        .contains("totalErrorPercentage", 50);
      async.complete();
    });
}

开发者ID:vert-x3，项目名称:vertx-circuit-breaker，代码行数:27，代码来源:CircuitBreakerMetricsTest.java

示例6: addCircuitBreaker

import io.vertx.circuitbreaker.CircuitBreaker; //导入方法依赖的package包/类
public void addCircuitBreaker(Vertx vertx, long timeout, int maxfail, long resettimeout){
	if(this.isDev)
		throw new IllegalArgumentException("Can't set circuitbreaker for dev node.");
	
	breaker = CircuitBreaker.create(app.name+"-"+host+":"+port, vertx,
			    new CircuitBreakerOptions()
			        .setMaxFailures(maxfail) // number of failure before opening the circuit
			        .setTimeout(timeout) // consider a failure if the operation does not succeed in time
			        .setFallbackOnFailure(false) // do we call the fallback on failure
			        .setResetTimeout(resettimeout) // time spent in open state before attempting to re-try
			);
			
}

开发者ID:troopson，项目名称:etagate，代码行数:14，代码来源:Node.java

示例7: testWithFailingOperationWithFuture

import io.vertx.circuitbreaker.CircuitBreaker; //导入方法依赖的package包/类
@Test
public void testWithFailingOperationWithFuture() {
  breaker = CircuitBreaker.create("test", vertx, new CircuitBreakerOptions()
      .setFallbackOnFailure(true));

  AtomicInteger result = new AtomicInteger();

  Future<Integer> operationResultFuture = Future.future();
  operationResultFuture.setHandler(ar -> result.set(ar.result()));

  breaker.executeAndReportWithFallback(operationResultFuture, MyAsyncOperations::fail, t -> -1);

  await().untilAtomic(result, is(-1));
}

开发者ID:vert-x3，项目名称:vertx-circuit-breaker，代码行数:15，代码来源:APITest.java

示例8: testWithRetrySetToFive

import io.vertx.circuitbreaker.CircuitBreaker; //导入方法依赖的package包/类
@Test
public void testWithRetrySetToFive() {
  CircuitBreaker breaker = CircuitBreaker.create("my-circuit-breaker", vertx,
    new CircuitBreakerOptions().setMaxFailures(5).setMaxRetries(5));
  AtomicInteger counter = new AtomicInteger();

  breaker.execute(future -> {
    counter.incrementAndGet();
    future.fail("FAILED");
  }).setHandler(ar -> {

  });

  await().untilAtomic(counter, is(6));
}

开发者ID:vert-x3，项目名称:vertx-circuit-breaker，代码行数:16，代码来源:NumberOfRetryTest.java

示例9: testWithRetrySetToZero

import io.vertx.circuitbreaker.CircuitBreaker; //导入方法依赖的package包/类
@Test
public void testWithRetrySetToZero() {
  CircuitBreaker breaker = CircuitBreaker.create("my-circuit-breaker", vertx,
    new CircuitBreakerOptions().setMaxFailures(5).setMaxRetries(0));
  AtomicInteger counter = new AtomicInteger();

  breaker.execute(future -> {
    counter.incrementAndGet();
    future.fail("FAILED");
  }).setHandler(ar -> {

  });

  await().untilAtomic(counter, is(1));
}

开发者ID:vert-x3，项目名称:vertx-circuit-breaker，代码行数:16，代码来源:NumberOfRetryTest.java

示例10: testWithoutRetry

import io.vertx.circuitbreaker.CircuitBreaker; //导入方法依赖的package包/类
@Test
public void testWithoutRetry() {
  CircuitBreaker breaker = CircuitBreaker.create("my-circuit-breaker", vertx,
    new CircuitBreakerOptions().setMaxFailures(5));
  AtomicInteger counter = new AtomicInteger();

  breaker.execute(future -> {
    counter.incrementAndGet();
    future.fail("FAILED");
  }).setHandler(ar -> {

  });

  await().untilAtomic(counter, is(1));
}

开发者ID:vert-x3，项目名称:vertx-circuit-breaker，代码行数:16，代码来源:NumberOfRetryTest.java

示例11: testWithOperationWithCompletionHandler

import io.vertx.circuitbreaker.CircuitBreaker; //导入方法依赖的package包/类
@Test
public void testWithOperationWithCompletionHandler() {
  breaker = CircuitBreaker.create("test", vertx, new CircuitBreakerOptions());

  AtomicInteger result = new AtomicInteger();

  breaker.executeCommandWithFallback(fut -> {
    MyAsyncOperations.operation(1, 1, fut.completer());
  }, v -> 0, ar -> result.set(ar.result()));

  await().untilAtomic(result, is(2));
}

开发者ID:vert-x3，项目名称:vertx-circuit-breaker，代码行数:13，代码来源:APITest.java

示例12: testWithOperationWithFuture

import io.vertx.circuitbreaker.CircuitBreaker; //导入方法依赖的package包/类
@Test
public void testWithOperationWithFuture() {
  breaker = CircuitBreaker.create("test", vertx, new CircuitBreakerOptions()
      .setFallbackOnFailure(true));

  AtomicInteger result = new AtomicInteger();
  Future<Integer> operationResultFuture = Future.future();
  operationResultFuture.setHandler(ar -> {
    result.set(ar.result());
  });

  breaker.executeAndReport(operationResultFuture, future -> MyAsyncOperations.operation(future, 1, 1));

  await().untilAtomic(result, is(2));
}

开发者ID:vert-x3，项目名称:vertx-circuit-breaker，代码行数:16，代码来源:APITest.java

示例13: testWithOperationWithHandler

import io.vertx.circuitbreaker.CircuitBreaker; //导入方法依赖的package包/类
@Test
public void testWithOperationWithHandler() {
  breaker = CircuitBreaker.create("test", vertx, new CircuitBreakerOptions());

  AtomicInteger result = new AtomicInteger();

  breaker.<Integer>executeWithFallback(fut -> {
    MyAsyncOperations.operation(1, 1, fut.completer());
  }, v -> 0)
      .setHandler(ar -> result.set(ar.result()));

  await().untilAtomic(result, is(2));
}

开发者ID:vert-x3，项目名称:vertx-circuit-breaker，代码行数:14，代码来源:APITest.java

示例14: testWhenFallbackThrowsAnException

import io.vertx.circuitbreaker.CircuitBreaker; //导入方法依赖的package包/类
@Test
public void testWhenFallbackThrowsAnException() {
  CircuitBreakerOptions options = new CircuitBreakerOptions()
    .setResetTimeout(5000)
    .setFallbackOnFailure(true);
  breaker = CircuitBreaker.create("test", vertx, options);

  assertThat(breaker.state()).isEqualTo(CircuitBreakerState.CLOSED);

  List<AsyncResult<String>> results = new ArrayList<>();
  for (int i = 0; i < options.getMaxFailures(); i++) {
    breaker.<String>executeWithFallback(
      future -> future.fail("expected failure"),
      t -> {
        throw new RuntimeException("boom");
      })
      .setHandler(results::add);
  }
  await().until(() -> results.size() == options.getMaxFailures());
  results.forEach(ar -> {
    assertThat(ar.failed()).isTrue();
    assertThat(ar.cause()).isNotNull().hasMessage("boom");
  });

  results.clear();

  await().until(() -> breaker.state() == CircuitBreakerState.OPEN);
  breaker.<String>executeWithFallback(
    future -> future.fail("expected failure"),
    t -> {
      throw new RuntimeException("boom");
    })
    .setHandler(results::add);
  await().until(() -> results.size() == 1);
  results.forEach(ar -> {
    assertThat(ar.failed()).isTrue();
    assertThat(ar.cause()).isNotNull().hasMessage("boom");
  });
}

开发者ID:vert-x3，项目名称:vertx-circuit-breaker，代码行数:40，代码来源:CircuitBreakerImplTest.java

示例15: testTimeout

import io.vertx.circuitbreaker.CircuitBreaker; //导入方法依赖的package包/类
@Test
public void testTimeout() {
  CircuitBreakerOptions options = new CircuitBreakerOptions().setTimeout(100).setMaxFailures(2);
  breaker = CircuitBreaker.create("test", vertx, options);
  assertThat(breaker.state()).isEqualTo(CircuitBreakerState.CLOSED);

  AtomicInteger count = new AtomicInteger();

  for (int i = 0; i < options.getMaxFailures(); i++) {
    breaker.execute(future ->
        client.getNow(8080, "localhost", "/long", response -> {
          count.incrementAndGet();
          future.complete();
        }));
  }

  await().untilAtomic(count, is(options.getMaxFailures()));
  assertThat(breaker.state()).isEqualTo(CircuitBreakerState.OPEN);

  Future<String> result = Future.future();
  breaker.executeAndReportWithFallback(result, future ->
    client.getNow(8080, "localhost", "/long", response -> {
      System.out.println("Got response");
      future.complete();
    }), v -> "fallback");

  await().until(() -> result.result().equals("fallback"));
  assertThat(breaker.state()).isEqualTo(CircuitBreakerState.OPEN);
}

开发者ID:vert-x3，项目名称:vertx-circuit-breaker，代码行数:30，代码来源:CircuitBreakerWithHTTPTest.java

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