com.torodb.mongodb.commands.signatures.repl.ReplSetSyncFromCommand.java Source code

Introduction

Here is the source code for com.torodb.mongodb.commands.signatures.repl.ReplSetSyncFromCommand.java

Source

/*
 * ToroDB
 * Copyright  2014 8Kdata Technology (www.8kdata.com)
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */

package com.torodb.mongodb.commands.signatures.repl;

import com.google.common.net.HostAndPort;
import com.torodb.mongodb.commands.signatures.repl.ReplSetSyncFromCommand.ReplSetSyncFromReply;
import com.torodb.mongowp.bson.BsonDocument;
import com.torodb.mongowp.bson.utils.DefaultBsonValues;
import com.torodb.mongowp.commands.impl.AbstractNotAliasableCommand;
import com.torodb.mongowp.exceptions.TypesMismatchException;
import com.torodb.mongowp.fields.HostAndPortField;
import com.torodb.mongowp.fields.StringField;
import com.torodb.mongowp.utils.BsonDocumentBuilder;
import com.torodb.mongowp.utils.BsonReaderTool;

import javax.annotation.Nullable;
import javax.annotation.concurrent.Immutable;

/**
 *
 */
public class ReplSetSyncFromCommand extends AbstractNotAliasableCommand<HostAndPort, ReplSetSyncFromReply> {

    public static final ReplSetSyncFromCommand INSTANCE = new ReplSetSyncFromCommand();

    private ReplSetSyncFromCommand() {
        super("replSetSyncFrom");
    }

    @Override
    public Class<? extends HostAndPort> getArgClass() {
        return HostAndPort.class;
    }

    @Override
    public HostAndPort unmarshallArg(BsonDocument requestDoc) throws TypesMismatchException {
        return BsonReaderTool.getHostAndPort(requestDoc, getCommandName(), null);
    }

    @Override
    public BsonDocument marshallArg(HostAndPort request) {
        return DefaultBsonValues.newDocument(getCommandName(), DefaultBsonValues.newString(request.toString()));
    }

    @Override
    public Class<? extends ReplSetSyncFromReply> getResultClass() {
        return ReplSetSyncFromReply.class;
    }

    @Override
    public BsonDocument marshallResult(ReplSetSyncFromReply reply) {
        return reply.marshall();
    }

    @Override
    public ReplSetSyncFromReply unmarshallResult(BsonDocument resultDoc) {
        throw new UnsupportedOperationException("Not supported");
    }

    @Immutable
    public static class ReplSetSyncFromReply {

        private static final HostAndPortField PREV_SYNC_TARGET_FIELD = new HostAndPortField("prevSyncTarget");
        private static final HostAndPortField SYNC_FROM_REQUESTED_FIELD = new HostAndPortField("syncFromRequested");
        private static final StringField WARNING_FIELD = new StringField("warning");

        @Nullable
        private final HostAndPort prevSyncTarget;
        @Nullable
        private final HostAndPort syncFromRequested;
        @Nullable
        private final String warning;

        public ReplSetSyncFromReply(@Nullable HostAndPort prevSyncTarget, @Nullable HostAndPort syncFromRequested,
                @Nullable String warning) {
            this.prevSyncTarget = prevSyncTarget;
            this.syncFromRequested = syncFromRequested;
            this.warning = warning;
        }

        @Nullable
        public HostAndPort getPrevSyncTarget() {
            return prevSyncTarget;
        }

        @Nullable
        public String getWarning() {
            return warning;
        }

        @Nullable
        public HostAndPort getSyncFromRequested() {
            return syncFromRequested;
        }

        private BsonDocument marshall() {
            BsonDocumentBuilder result = new BsonDocumentBuilder();
            if (prevSyncTarget != null) {
                result.append(PREV_SYNC_TARGET_FIELD, prevSyncTarget);
            }

            if (warning != null) {
                result.append(WARNING_FIELD, warning);
            }

            if (syncFromRequested != null) {
                result.append(SYNC_FROM_REQUESTED_FIELD, syncFromRequested);
            }

            return result.build();
        }
    }

}