| /* |
| * 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.platform; |
| |
| import org.apache.ignite.IgniteCheckedException; |
| import org.apache.ignite.IgniteLogger; |
| import org.apache.ignite.binary.BinaryRawReader; |
| import org.apache.ignite.internal.IgniteInternalFuture; |
| import org.apache.ignite.internal.binary.BinaryRawReaderEx; |
| import org.apache.ignite.internal.binary.BinaryRawWriterEx; |
| import org.apache.ignite.internal.processors.platform.memory.PlatformMemory; |
| import org.apache.ignite.internal.processors.platform.utils.PlatformFutureUtils; |
| import org.apache.ignite.internal.processors.platform.utils.PlatformListenable; |
| import org.apache.ignite.internal.processors.platform.utils.PlatformListenableTarget; |
| import org.apache.ignite.lang.IgniteFuture; |
| import org.jetbrains.annotations.Nullable; |
| |
| /** |
| * Abstract interop target. |
| */ |
| public abstract class PlatformAbstractTarget implements PlatformTarget { |
| /** Constant: TRUE.*/ |
| protected static final int TRUE = 1; |
| |
| /** Constant: FALSE. */ |
| protected static final int FALSE = 0; |
| |
| /** Constant: ERROR. */ |
| protected static final int ERROR = -1; |
| |
| /** Context. */ |
| protected final PlatformContext platformCtx; |
| |
| /** Logger. */ |
| protected final IgniteLogger log; |
| |
| /** |
| * Constructor. |
| * |
| * @param platformCtx Context. |
| */ |
| protected PlatformAbstractTarget(PlatformContext platformCtx) { |
| this.platformCtx = platformCtx; |
| |
| log = platformCtx.kernalContext().log(PlatformAbstractTarget.class); |
| } |
| |
| /** |
| * @return Context. |
| */ |
| public PlatformContext platformContext() { |
| return platformCtx; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public Exception convertException(Exception e) { |
| return e; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public long processInLongOutLong(int type, long val) throws IgniteCheckedException { |
| return throwUnsupported(type); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public long processInStreamOutLong(int type, BinaryRawReaderEx reader) throws IgniteCheckedException { |
| return throwUnsupported(type); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public long processInStreamOutLong(int type, BinaryRawReaderEx reader, PlatformMemory mem) throws IgniteCheckedException { |
| return processInStreamOutLong(type, reader); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public void processInStreamOutStream(int type, BinaryRawReaderEx reader, BinaryRawWriterEx writer) |
| throws IgniteCheckedException { |
| throwUnsupported(type); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public PlatformTarget processInStreamOutObject(int type, BinaryRawReaderEx reader) |
| throws IgniteCheckedException { |
| return throwUnsupported(type); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public PlatformTarget processInObjectStreamOutObjectStream(int type, @Nullable PlatformTarget arg, |
| BinaryRawReaderEx reader, BinaryRawWriterEx writer) throws IgniteCheckedException { |
| return throwUnsupported(type); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public void processOutStream(int type, BinaryRawWriterEx writer) throws IgniteCheckedException { |
| throwUnsupported(type); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public PlatformTarget processOutObject(int type) throws IgniteCheckedException { |
| return throwUnsupported(type); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public PlatformAsyncResult processInStreamAsync(int type, BinaryRawReaderEx reader) |
| throws IgniteCheckedException { |
| throwUnsupported(type); |
| |
| return null; |
| } |
| |
| /** |
| * Throw an exception rendering unsupported operation type. |
| * |
| * @param type Operation type. |
| * @return Dummy value which is never returned. |
| * @throws IgniteCheckedException Exception to be thrown. |
| */ |
| public static <T> T throwUnsupported(int type) throws IgniteCheckedException { |
| throw new IgniteCheckedException("Unsupported operation type: " + type); |
| } |
| |
| /** |
| * Reads future information and listens. |
| * |
| * @param reader Reader. |
| * @param fut Future. |
| * @param writer Writer. |
| * @throws IgniteCheckedException In case of error. |
| */ |
| private PlatformListenable readAndListenFuture(BinaryRawReader reader, IgniteInternalFuture fut, |
| PlatformFutureUtils.Writer writer) |
| throws IgniteCheckedException { |
| long futId = reader.readLong(); |
| int futTyp = reader.readInt(); |
| |
| return PlatformFutureUtils.listen(platformCtx, fut, futId, futTyp, writer, this); |
| } |
| |
| /** |
| * Reads future information and listens. |
| * |
| * @param reader Reader. |
| * @param fut Future. |
| * @param writer Writer. |
| * @throws IgniteCheckedException In case of error. |
| */ |
| protected PlatformListenable readAndListenFuture(BinaryRawReader reader, IgniteFuture fut, |
| PlatformFutureUtils.Writer writer) |
| throws IgniteCheckedException { |
| long futId = reader.readLong(); |
| int futTyp = reader.readInt(); |
| |
| return PlatformFutureUtils.listen(platformCtx, fut, futId, futTyp, writer, this); |
| } |
| |
| /** |
| * Reads future information and listens. |
| * |
| * @param reader Reader. |
| * @param fut Future. |
| * @throws IgniteCheckedException In case of error. |
| */ |
| protected PlatformListenable readAndListenFuture(BinaryRawReader reader, IgniteInternalFuture fut) |
| throws IgniteCheckedException { |
| return readAndListenFuture(reader, fut, null); |
| } |
| |
| /** |
| * Reads future information and listens. |
| * |
| * @param reader Reader. |
| * @param fut Future. |
| * @throws IgniteCheckedException In case of error. |
| */ |
| protected PlatformListenable readAndListenFuture(BinaryRawReader reader, IgniteFuture fut) |
| throws IgniteCheckedException { |
| return readAndListenFuture(reader, fut, null); |
| } |
| |
| /** |
| * Wraps a listenable to be returned to platform. |
| * |
| * @param listenable Listenable. |
| * @return Target. |
| */ |
| protected PlatformTarget wrapListenable(PlatformListenable listenable) { |
| return new PlatformListenableTarget(listenable, platformCtx); |
| } |
| } |