| /* |
| * 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.cache.distributed; |
| |
| import java.io.Externalizable; |
| import java.io.IOException; |
| import java.io.ObjectInput; |
| import java.io.ObjectOutput; |
| import java.util.concurrent.TimeUnit; |
| import javax.cache.expiry.Duration; |
| import javax.cache.expiry.ExpiryPolicy; |
| import org.apache.ignite.internal.util.typedef.internal.CU; |
| import org.apache.ignite.internal.util.typedef.internal.S; |
| import org.jetbrains.annotations.Nullable; |
| |
| /** |
| * Externalizable wrapper for {@link ExpiryPolicy}. |
| */ |
| public class IgniteExternalizableExpiryPolicy implements ExpiryPolicy, Externalizable { |
| /** */ |
| private static final long serialVersionUID = 0L; |
| |
| /** */ |
| private ExpiryPolicy plc; |
| |
| /** */ |
| private static final byte CREATE_TTL_MASK = 0x01; |
| |
| /** */ |
| private static final byte UPDATE_TTL_MASK = 0x02; |
| |
| /** */ |
| private static final byte ACCESS_TTL_MASK = 0x04; |
| |
| /** */ |
| private Duration forCreate; |
| |
| /** */ |
| private Duration forUpdate; |
| |
| /** */ |
| private Duration forAccess; |
| |
| /** |
| * Required by {@link Externalizable}. |
| */ |
| public IgniteExternalizableExpiryPolicy() { |
| // No-op. |
| } |
| |
| /** |
| * @param plc Expiry policy. |
| */ |
| public IgniteExternalizableExpiryPolicy(ExpiryPolicy plc) { |
| assert plc != null; |
| |
| this.plc = plc; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public Duration getExpiryForCreation() { |
| return forCreate; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public Duration getExpiryForAccess() { |
| return forAccess; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public Duration getExpiryForUpdate() { |
| return forUpdate; |
| } |
| |
| /** |
| * @param out Output stream. |
| * @param duration Duration. |
| * @throws IOException If failed. |
| */ |
| private void writeDuration(ObjectOutput out, @Nullable Duration duration) throws IOException { |
| if (duration != null) { |
| if (duration.getDurationAmount() == 0L) { |
| if (duration.isEternal()) |
| out.writeLong(0); |
| else |
| out.writeLong(CU.TTL_ZERO); |
| } |
| else |
| out.writeLong(duration.getTimeUnit().toMillis(duration.getDurationAmount())); |
| } |
| } |
| |
| /** |
| * @param in Input stream. |
| * @return Duration. |
| * @throws IOException If failed. |
| */ |
| private Duration readDuration(ObjectInput in) throws IOException { |
| long ttl = in.readLong(); |
| |
| assert ttl >= 0 || ttl == CU.TTL_ZERO : ttl; |
| |
| if (ttl == 0) |
| return Duration.ETERNAL; |
| else if (ttl == CU.TTL_ZERO) |
| return Duration.ZERO; |
| |
| return new Duration(TimeUnit.MILLISECONDS, ttl); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public void writeExternal(ObjectOutput out) throws IOException { |
| byte flags = 0; |
| |
| Duration create = plc.getExpiryForCreation(); |
| |
| if (create != null) |
| flags |= CREATE_TTL_MASK; |
| |
| Duration update = plc.getExpiryForUpdate(); |
| |
| if (update != null) |
| flags |= UPDATE_TTL_MASK; |
| |
| Duration access = plc.getExpiryForAccess(); |
| |
| if (access != null) |
| flags |= ACCESS_TTL_MASK; |
| |
| out.writeByte(flags); |
| |
| writeDuration(out, create); |
| |
| writeDuration(out, update); |
| |
| writeDuration(out, access); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException { |
| byte flags = in.readByte(); |
| |
| if ((flags & CREATE_TTL_MASK) != 0) |
| forCreate = readDuration(in); |
| |
| if ((flags & UPDATE_TTL_MASK) != 0) |
| forUpdate = readDuration(in); |
| |
| if ((flags & ACCESS_TTL_MASK) != 0) |
| forAccess = readDuration(in); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public String toString() { |
| return S.toString(IgniteExternalizableExpiryPolicy.class, this); |
| } |
| } |