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// Copyright 2016 Yahoo Inc. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.vespa.jaxrs.client;
import com.yahoo.vespa.applicationmodel.HostName;
import javax.ws.rs.ProcessingException;
import java.io.IOException;
import java.util.Objects;
import java.util.function.Function;
/**
* A {@link JaxRsStrategy} that will try API calls once against a single server, giving up immediately on failure.
*
* @author bakksjo
*/
public class NoRetryJaxRsStrategy<T> implements JaxRsStrategy<T> {
private final HostName hostName;
private final int port;
private final JaxRsClientFactory jaxRsClientFactory;
private final Class<T> apiClass;
private String pathPrefix;
public NoRetryJaxRsStrategy(
final HostName hostName,
final int port,
final JaxRsClientFactory jaxRsClientFactory,
final Class<T> apiClass,
final String pathPrefix) {
Objects.requireNonNull(hostName, "hostName argument may not be null");
Objects.requireNonNull(jaxRsClientFactory, "jaxRsClientFactory argument may not be null");
Objects.requireNonNull(apiClass, "apiClass argument may not be null");
Objects.requireNonNull(pathPrefix, "pathPrefix argument may not be null");
this.hostName = hostName;
this.port = port;
this.jaxRsClientFactory = jaxRsClientFactory;
this.apiClass = apiClass;
this.pathPrefix = pathPrefix;
}
@Override
public <R> R apply(final Function<T, R> function) throws IOException {
final T jaxRsClient = jaxRsClientFactory.createClient(apiClass, hostName, port, pathPrefix);
try {
return function.apply(jaxRsClient);
} catch (ProcessingException e) {
throw new IOException("Communication with REST server failed", e);
}
}
}
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