Examples of org.elasticsearch.cluster.routing.PlainShardIterator


@Test
public class RoutingIteratorTests {


    @Test public void testEmptyIterator() {
        ShardIterator shardIterator = new PlainShardIterator(new ShardId("test1", 0), ImmutableList.<ShardRouting>of(), 0);
        assertThat(shardIterator.remaining(), equalTo(0));
        assertThat(shardIterator.firstOrNull(), nullValue());
        assertThat(shardIterator.remaining(), equalTo(0));
        assertThat(shardIterator.nextOrNull(), nullValue());
        assertThat(shardIterator.remaining(), equalTo(0));
        assertThat(shardIterator.nextOrNull(), nullValue());
        assertThat(shardIterator.remaining(), equalTo(0));


        shardIterator = new PlainShardIterator(new ShardId("test1", 0), ImmutableList.<ShardRouting>of(), 1);
        assertThat(shardIterator.remaining(), equalTo(0));
        assertThat(shardIterator.firstOrNull(), nullValue());
        assertThat(shardIterator.remaining(), equalTo(0));
        assertThat(shardIterator.nextOrNull(), nullValue());
        assertThat(shardIterator.remaining(), equalTo(0));
        assertThat(shardIterator.nextOrNull(), nullValue());
        assertThat(shardIterator.remaining(), equalTo(0));


        shardIterator = new PlainShardIterator(new ShardId("test1", 0), ImmutableList.<ShardRouting>of(), 2);
        assertThat(shardIterator.remaining(), equalTo(0));
        assertThat(shardIterator.firstOrNull(), nullValue());
        assertThat(shardIterator.remaining(), equalTo(0));
        assertThat(shardIterator.nextOrNull(), nullValue());
        assertThat(shardIterator.remaining(), equalTo(0));
        assertThat(shardIterator.nextOrNull(), nullValue());
        assertThat(shardIterator.remaining(), equalTo(0));


        shardIterator = new PlainShardIterator(new ShardId("test1", 0), ImmutableList.<ShardRouting>of(), 3);
        assertThat(shardIterator.remaining(), equalTo(0));
        assertThat(shardIterator.firstOrNull(), nullValue());
        assertThat(shardIterator.remaining(), equalTo(0));
        assertThat(shardIterator.nextOrNull(), nullValue());
        assertThat(shardIterator.remaining(), equalTo(0));
        assertThat(shardIterator.nextOrNull(), nullValue());
        assertThat(shardIterator.remaining(), equalTo(0));
    }

        ShardIterator shardIterator = clusterService.operationRouting()
                .indexShards(clusterState, request.concreteIndex(), request.request().type(), request.request().id(), request.request().routing());
        ShardRouting shard;
        while ((shard = shardIterator.nextOrNull()) != null) {
            if (shard.primary()) {
                return new PlainShardIterator(shardIterator.shardId(), ImmutableList.of(shard));
            }
        }
        return new PlainShardIterator(shardIterator.shardId(), ImmutableList.<ShardRouting>of());
    }

Examples of org.elasticsearch.cluster.routing.PlainShardIterator

Related Classes of org.elasticsearch.cluster.routing.PlainShardIterator