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Java-based middleware for in-memory processing of big data in a distributed environment.
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.apache.ignite.internal.processors.rest.handlers.version;
import java.util.Collection;
import org.apache.ignite.internal.GridKernalContext;
import org.apache.ignite.internal.IgniteInternalFuture;
import org.apache.ignite.internal.processors.rest.GridRestCommand;
import org.apache.ignite.internal.processors.rest.GridRestResponse;
import org.apache.ignite.internal.processors.rest.handlers.GridRestCommandHandlerAdapter;
import org.apache.ignite.internal.processors.rest.request.GridRestRequest;
import org.apache.ignite.internal.util.future.GridFinishedFuture;
import org.apache.ignite.internal.util.typedef.internal.U;
import static org.apache.ignite.internal.IgniteVersionUtils.VER_STR;
import static org.apache.ignite.internal.processors.rest.GridRestCommand.NAME;
import static org.apache.ignite.internal.processors.rest.GridRestCommand.VERSION;
/**
* Handler for {@link GridRestCommand#VERSION} and {@link GridRestCommand#NAME} command.
*/
public class GridVersionCommandHandler extends GridRestCommandHandlerAdapter {
/** Supported commands. */
private static final Collection SUPPORTED_COMMANDS = U.sealList(VERSION, NAME);
/**
* @param ctx Context.
*/
public GridVersionCommandHandler(GridKernalContext ctx) {
super(ctx);
}
/** {@inheritDoc} */
@Override public Collection supportedCommands() {
return SUPPORTED_COMMANDS;
}
/** {@inheritDoc} */
@Override public IgniteInternalFuture handleAsync(GridRestRequest req) {
assert req != null;
assert SUPPORTED_COMMANDS.contains(req.command());
switch (req.command()){
case VERSION:
return new GridFinishedFuture<>(new GridRestResponse(VER_STR));
case NAME:
return new GridFinishedFuture<>(new GridRestResponse(ctx.igniteInstanceName()));
}
return new GridFinishedFuture<>();
}
}