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* ownership. Elasticsearch licenses this file to you under
* the Apache License, Version 2.0 (the "License"); you may
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* 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.
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package org.elasticsearch.cluster.routing;
import org.elasticsearch.Version;
import org.elasticsearch.cluster.metadata.IndexMetaData;
import org.elasticsearch.common.UUIDs;
import org.elasticsearch.index.shard.ShardId;
import org.elasticsearch.snapshots.Snapshot;
import org.elasticsearch.snapshots.SnapshotId;
import org.elasticsearch.test.ESTestCase;
import static org.elasticsearch.test.ESTestCase.randomAlphaOfLength;
/**
* A helper that allows to create shard routing instances within tests, while not requiring to expose
* different simplified constructors on the ShardRouting itself.
*/
public class TestShardRouting {
public static ShardRouting newShardRouting(String index, int shardId, String currentNodeId, boolean primary, ShardRoutingState state) {
return newShardRouting(new ShardId(index, IndexMetaData.INDEX_UUID_NA_VALUE, shardId), currentNodeId, primary, state);
}
public static ShardRouting newShardRouting(ShardId shardId, String currentNodeId, boolean primary, ShardRoutingState state) {
return new ShardRouting(shardId, currentNodeId, null, primary, state, buildRecoveryTarget(primary, state), buildUnassignedInfo(state), buildAllocationId(state), -1);
}
public static ShardRouting newShardRouting(ShardId shardId, String currentNodeId, boolean primary, ShardRoutingState state, RecoverySource recoverySource) {
return new ShardRouting(shardId, currentNodeId, null, primary, state, recoverySource, buildUnassignedInfo(state), buildAllocationId(state), -1);
}
public static ShardRouting newShardRouting(String index, int shardId, String currentNodeId, String relocatingNodeId, boolean primary, ShardRoutingState state) {
return newShardRouting(new ShardId(index, IndexMetaData.INDEX_UUID_NA_VALUE, shardId), currentNodeId, relocatingNodeId, primary, state);
}
public static ShardRouting newShardRouting(ShardId shardId, String currentNodeId, String relocatingNodeId, boolean primary, ShardRoutingState state) {
return new ShardRouting(shardId, currentNodeId, relocatingNodeId, primary, state, buildRecoveryTarget(primary, state), buildUnassignedInfo(state), buildAllocationId(state), -1);
}
public static ShardRouting newShardRouting(String index, int shardId, String currentNodeId, String relocatingNodeId, boolean primary, ShardRoutingState state, AllocationId allocationId) {
return newShardRouting(new ShardId(index, IndexMetaData.INDEX_UUID_NA_VALUE, shardId), currentNodeId, relocatingNodeId, primary, state, allocationId);
}
public static ShardRouting newShardRouting(ShardId shardId, String currentNodeId, String relocatingNodeId, boolean primary, ShardRoutingState state, AllocationId allocationId) {
return new ShardRouting(shardId, currentNodeId, relocatingNodeId, primary, state, buildRecoveryTarget(primary, state), buildUnassignedInfo(state), allocationId, -1);
}
public static ShardRouting newShardRouting(String index, int shardId, String currentNodeId,
String relocatingNodeId, boolean primary, ShardRoutingState state,
UnassignedInfo unassignedInfo) {
return newShardRouting(new ShardId(index, IndexMetaData.INDEX_UUID_NA_VALUE, shardId), currentNodeId, relocatingNodeId, primary, state, unassignedInfo);
}
public static ShardRouting newShardRouting(ShardId shardId, String currentNodeId,
String relocatingNodeId, boolean primary, ShardRoutingState state,
UnassignedInfo unassignedInfo) {
return new ShardRouting(shardId, currentNodeId, relocatingNodeId, primary, state, buildRecoveryTarget(primary, state), unassignedInfo, buildAllocationId(state), -1);
}
public static ShardRouting relocate(ShardRouting shardRouting, String relocatingNodeId, long expectedShardSize) {
return shardRouting.relocate(relocatingNodeId, expectedShardSize);
}
private static RecoverySource buildRecoveryTarget(boolean primary, ShardRoutingState state) {
switch (state) {
case UNASSIGNED:
case INITIALIZING:
if (primary) {
return ESTestCase.randomFrom(RecoverySource.StoreRecoverySource.EMPTY_STORE_INSTANCE,
RecoverySource.StoreRecoverySource.EXISTING_STORE_INSTANCE);
} else {
return RecoverySource.PeerRecoverySource.INSTANCE;
}
case STARTED:
case RELOCATING:
return null;
default:
throw new IllegalStateException("illegal state");
}
}
private static AllocationId buildAllocationId(ShardRoutingState state) {
switch (state) {
case UNASSIGNED:
return null;
case INITIALIZING:
case STARTED:
return AllocationId.newInitializing();
case RELOCATING:
AllocationId allocationId = AllocationId.newInitializing();
return AllocationId.newRelocation(allocationId);
default:
throw new IllegalStateException("illegal state");
}
}
private static UnassignedInfo buildUnassignedInfo(ShardRoutingState state) {
switch (state) {
case UNASSIGNED:
case INITIALIZING:
return new UnassignedInfo(ESTestCase.randomFrom(UnassignedInfo.Reason.values()), "auto generated for test");
case STARTED:
case RELOCATING:
return null;
default:
throw new IllegalStateException("illegal state");
}
}
public static RecoverySource randomRecoverySource() {
return ESTestCase.randomFrom(RecoverySource.StoreRecoverySource.EMPTY_STORE_INSTANCE,
RecoverySource.StoreRecoverySource.EXISTING_STORE_INSTANCE,
RecoverySource.PeerRecoverySource.INSTANCE,
RecoverySource.LocalShardsRecoverySource.INSTANCE,
new RecoverySource.SnapshotRecoverySource(
new Snapshot("repo", new SnapshotId(randomAlphaOfLength(8), UUIDs.randomBase64UUID())),
Version.CURRENT,
"some_index"));
}
}