/*
* Copyright 2014 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.xd.test.fixtures;
import org.springframework.util.Assert;
/**
* Create a gemfire source
*
* @author David Turanski
*/
public class GemFireSource extends AbstractModuleFixture<GemFireSource> {
private boolean useLocator;
private String host = "localhost";
private int port = 40404;
private final String region;
private String cacheEventExpression;
/**
* Create a Gemfire Sink module.
*
* @param region the name of the region to use for this stream. The region must exist on the server.
*/
public GemFireSource(String region) {
super();
Assert.hasText("region must not be empty nor null",region);
this.region = region;
}
/**
* Set the host and port to reference a Gemfire locator instead of a server node.
*
* @param useLocator true if using a locator. Default is false.
* @return this
*/
public GemFireSource useLocator(boolean useLocator) {
this.useLocator = useLocator;
return this;
}
/**
* Set the host name
*
* @param host the host. Default is localhost
* @return this
*/
public GemFireSource host(String host) {
Assert.hasLength(host, "'host' must not be empty or null");
this.host = host;
return this;
}
/**
* Set the gemfire server port. Default is 40404
*
* @param port the port
* @return this
*/
public GemFireSource port(int port) {
this.port = port;
return this;
}
/**
* Set the cache key. Defaults to stream name
*
* @param cacheEventExpression a SpEL expression evaluating the payload
* @return this
*/
public GemFireSource cacheEventExpression(String cacheEventExpression) {
this.cacheEventExpression = cacheEventExpression;
return this;
}
@Override
protected String toDSL() {
StringBuilder dslBuilder = new StringBuilder();
dslBuilder.append("gemfire");
dslBuilder.append(" --useLocator=" + useLocator);
dslBuilder.append(" --host=" + host);
dslBuilder.append(" --port=" + port);
dslBuilder.append(" --regionName=" + region);
if (cacheEventExpression != null) {
dslBuilder.append(" --cacheEventExpression=" + cacheEventExpression);
}
return dslBuilder.toString();
}
}