/*
* Copyright (c) 2010-2012 Grid Dynamics Consulting Services, Inc, All Rights Reserved
* http://www.griddynamics.com
*
* This library is free software; you can redistribute it and/or modify it under the terms of
* the Apache License; either
* version 2.0 of the License, or any later version.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package com.griddynamics.jagger.coordinator.http;
import com.griddynamics.jagger.coordinator.*;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.io.Serializable;
import java.util.Collection;
public abstract class AbstractProxyWorker extends ConfigurableWorker {
private static final Logger log = LoggerFactory.getLogger(AbstractProxyWorker.class);
private final Collection<Qualifier<Command<Serializable>>> qualifiers;
public AbstractProxyWorker(Collection<Qualifier<Command<Serializable>>> qualifiers) {
this.qualifiers = qualifiers;
}
@Override
public void configure() {
for (final Qualifier<Command<Serializable>> qualifier : qualifiers) {
log.debug("Going to register proxy executor for qualifier {}", qualifier);
onCommandReceived(qualifier.getClazz()).execute(
new CommandExecutor<Command<Serializable>, Serializable>() {
@Override
public Qualifier<Command<Serializable>> getQualifier() {
return qualifier;
}
@Override
public Serializable execute(Command<Serializable> command, NodeContext nodeContext) {
log.debug("Execution of command {} requested on node {}", command, nodeContext);
return handleCommand(command, nodeContext);
}
});
}
}
protected abstract Serializable handleCommand(Command<Serializable> command, NodeContext nodeContext);
}