Examples of org.elasticsearch.index.shard.IllegalIndexShardStateException

org.elasticsearch.index.shard.IllegalIndexShardStateException
@author kimchy (Shay Banon)

        IndexShardState state = this.state; // one time volatile read
        // we allow snapshot on closed index shard, since we want to do one after we close the shard and before we close the engine
        if (state == IndexShardState.STARTED || state == IndexShardState.RELOCATED || state == IndexShardState.CLOSED) {
            return engine.snapshotIndex();
        } else {
            throw new IllegalIndexShardStateException(shardId, state, "snapshot is not allowed");
        }
    }

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    public void readAllowed(Mode mode) throws IllegalIndexShardStateException {
        IndexShardState state = this.state; // one time volatile read
        switch (mode) {
            case READ:
                if (state != IndexShardState.STARTED && state != IndexShardState.RELOCATED) {
                    throw new IllegalIndexShardStateException(shardId, state, "operations only allowed when started/relocated");
                }
                break;
            case WRITE:
                if (state != IndexShardState.STARTED && state != IndexShardState.RELOCATED && state != IndexShardState.RECOVERING && state != IndexShardState.POST_RECOVERY) {
                    throw new IllegalIndexShardStateException(shardId, state, "operations only allowed when started/relocated");
                }
                break;
        }
    }

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        if (origin == Engine.Operation.Origin.PRIMARY) {
            // for primaries, we only allow to write when actually started (so the cluster has decided we started)
            // otherwise, we need to retry, we also want to still allow to index if we are relocated in case it fails
            if (state != IndexShardState.STARTED && state != IndexShardState.RELOCATED) {
                throw new IllegalIndexShardStateException(shardId, state, "operation only allowed when started/recovering, origin [" + origin + "]");
            }
        } else {
            // for replicas, we allow to write also while recovering, since we index also during recovery to replicas
            // and rely on version checks to make sure its consistent
            if (state != IndexShardState.STARTED && state != IndexShardState.RELOCATED && state != IndexShardState.RECOVERING && state != IndexShardState.POST_RECOVERY) {
                throw new IllegalIndexShardStateException(shardId, state, "operation only allowed when started/recovering, origin [" + origin + "]");
            }
        }
    }

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    }


    private void verifyStartedOrRecovering() throws IllegalIndexShardStateException {
        IndexShardState state = this.state; // one time volatile read
        if (state != IndexShardState.STARTED && state != IndexShardState.RECOVERING && state != IndexShardState.POST_RECOVERY) {
            throw new IllegalIndexShardStateException(shardId, state, "operation only allowed when started/recovering");
        }
    }

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    }


    private void verifyNotClosed() throws IllegalIndexShardStateException {
        IndexShardState state = this.state; // one time volatile read
        if (state == IndexShardState.CLOSED) {
            throw new IllegalIndexShardStateException(shardId, state, "operation only allowed when not closed");
        }
    }

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Related Classes of org.elasticsearch.index.shard.IllegalIndexShardStateException

org.elasticsearch.index.shard.service.InternalIndexShard

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