modules/core/src/main/java/org/apache/ignite/internal/managers/deployment/GridDeploymentStore.java

/*
 * 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.managers.deployment;

import java.util.Collection;
import java.util.Map;
import java.util.UUID;
import org.apache.ignite.IgniteCheckedException;
import org.apache.ignite.lang.IgniteUuid;
import org.jetbrains.annotations.Nullable;

/**
 * Interface for all deployment stores.
 */
public interface GridDeploymentStore {
    /**
     * Starts store.
     *
     * @throws IgniteCheckedException If start failed.
     */
    public void start() throws IgniteCheckedException;

    /**
     * Stops store.
     */
    public void stop();

    /**
     * Kernal started callback.
     *
     * @throws IgniteCheckedException If callback execution failed.
     */
    public void onKernalStart() throws IgniteCheckedException;

    /**
     * Kernel stopping callback.
     */
    public void onKernalStop();

    /**
     * @param meta Deployment metadata.
     * @return Deployment.
     */
    @Nullable public GridDeployment getDeployment(GridDeploymentMetadata meta);

    /**
     * Gets class loader based on ID.
     *
     *
     * @param ldrId Class loader ID.
     * @return Class loader of {@code null} if not found.
     */
    @Nullable public GridDeployment getDeployment(IgniteUuid ldrId);

    /**
     * @return All current deployments.
     */
    public Collection<GridDeployment> getDeployments();

    /**
     * Explicitly deploys class.
     *
     * @param cls Class to explicitly deploy.
     * @param clsLdr Class loader.
     * @return Grid deployment.
     * @throws IgniteCheckedException Id deployment failed.
     */
    public GridDeployment explicitDeploy(Class<?> cls, ClassLoader clsLdr) throws IgniteCheckedException;

    /**
     * @param nodeId Optional ID of node that initiated request.
     * @param rsrcName Undeploys all deployments that have given
     */
    public void explicitUndeploy(@Nullable UUID nodeId, String rsrcName);

    /**
     * Adds participants to all deployments.
     *
     * @param allParticipants All participants to determine which deployments to add to.
     * @param addedParticipants Participants to add.
     */
    public void addParticipants(Map<UUID, IgniteUuid> allParticipants,
        Map<UUID, IgniteUuid> addedParticipants);
}