Apache camel 在运行时从文件加载Apache驼峰路由
我试图在运行时从一个文件加载ApacheCamel路由。这意味着 我的“route.yaml”文件如下所示Apache camel 在运行时从文件加载Apache驼峰路由,apache-camel,Apache Camel,我试图在运行时从一个文件加载ApacheCamel路由。这意味着 我的“route.yaml”文件如下所示 - route: from: "timer:yaml?period=3s" steps: - set-body: simple: "Timer fired ${header.CamelTimerCounter} times" - to: uri: "log:ya
- route:
from: "timer:yaml?period=3s"
steps:
- set-body:
simple: "Timer fired ${header.CamelTimerCounter} times"
- to:
uri: "log:yaml"
我已经看到,在过去可以执行以下操作来加载路由xml文件,但现在无法执行。例如,我在中看到loadRoutesDefinition
如何使用当前的ApacheCamel?我能够从一个yaml字符串在RouteBuilder中加载它
package org.acme;
import org.apache.camel.CamelContext;
import org.apache.camel.ExtendedCamelContext;
import org.apache.camel.builder.RouteBuilder;
import org.apache.camel.spi.Resource;
import org.apache.camel.spi.RoutesLoader;
import org.apache.camel.support.ResourceHelper;
public class MyRouteBuilder extends RouteBuilder {
@Override
public void configure() {
CamelContext context = getContext();
String myRoute = "- route:\n" +
" from: \"timer:yaml?period=3s\"\n" +
" steps:\n" +
" - set-body:\n" +
" simple: \"Timer fired ${header.CamelTimerCounter} times\"\n" +
" - to:\n" +
" uri: \"log:yaml\"\n" +
"\n";
try {
ExtendedCamelContext extendedCamelContext = context.adapt(ExtendedCamelContext.class);
RoutesLoader loader = extendedCamelContext.getRoutesLoader();
Resource resource = ResourceHelper.fromString("any.yaml", myRoute);
loader.loadRoutes(resource);
} catch (Exception e) {
e.printStackTrace();
}
}
}
ExtendedCamelContext提供了一个getRouteLoader方法,该方法有助于加载使用任何支持的DSL编写的路由。稍后我将提供一个示例
package org.acme;
import org.apache.camel.CamelContext;
import org.apache.camel.ExtendedCamelContext;
import org.apache.camel.builder.RouteBuilder;
import org.apache.camel.spi.Resource;
import org.apache.camel.spi.RoutesLoader;
import org.apache.camel.support.ResourceHelper;
public class MyRouteBuilder extends RouteBuilder {
@Override
public void configure() {
CamelContext context = getContext();
String myRoute = "- route:\n" +
" from: \"timer:yaml?period=3s\"\n" +
" steps:\n" +
" - set-body:\n" +
" simple: \"Timer fired ${header.CamelTimerCounter} times\"\n" +
" - to:\n" +
" uri: \"log:yaml\"\n" +
"\n";
try {
ExtendedCamelContext extendedCamelContext = context.adapt(ExtendedCamelContext.class);
RoutesLoader loader = extendedCamelContext.getRoutesLoader();
Resource resource = ResourceHelper.fromString("any.yaml", myRoute);
loader.loadRoutes(resource);
} catch (Exception e) {
e.printStackTrace();
}
}
}