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| <div class="subTitle">org.apache.arrow.flight.impl</div> |
| <h2 title="Class FlightServiceGrpc.FlightServiceBlockingStub" class="title">Class FlightServiceGrpc.FlightServiceBlockingStub</h2> |
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| <li>io.grpc.stub.AbstractStub<S></li> |
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| <li>io.grpc.stub.AbstractBlockingStub<<a href="../../../../../org/apache/arrow/flight/impl/FlightServiceGrpc.FlightServiceBlockingStub.html" title="class in org.apache.arrow.flight.impl">FlightServiceGrpc.FlightServiceBlockingStub</a>></li> |
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| <ul class="inheritance"> |
| <li>org.apache.arrow.flight.impl.FlightServiceGrpc.FlightServiceBlockingStub</li> |
| </ul> |
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| </dl> |
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| <br> |
| <pre>public static final class <span class="typeNameLabel">FlightServiceGrpc.FlightServiceBlockingStub</span> |
| extends io.grpc.stub.AbstractBlockingStub<<a href="../../../../../org/apache/arrow/flight/impl/FlightServiceGrpc.FlightServiceBlockingStub.html" title="class in org.apache.arrow.flight.impl">FlightServiceGrpc.FlightServiceBlockingStub</a>></pre> |
| <div class="block">A stub to allow clients to do synchronous rpc calls to service FlightService. |
| <pre> |
| A flight service is an endpoint for retrieving or storing Arrow data. A |
| flight service can expose one or more predefined endpoints that can be |
| accessed using the Arrow Flight Protocol. Additionally, a flight service |
| can expose a set of actions that are available. |
| </pre></div> |
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| <caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd"> </span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd"> </span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete Methods</a></span><span class="tabEnd"> </span></span></caption> |
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| <th class="colLast" scope="col">Method and Description</th> |
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| <tr id="i0" class="altColor"> |
| <td class="colFirst"><code>protected <a href="../../../../../org/apache/arrow/flight/impl/FlightServiceGrpc.FlightServiceBlockingStub.html" title="class in org.apache.arrow.flight.impl">FlightServiceGrpc.FlightServiceBlockingStub</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/arrow/flight/impl/FlightServiceGrpc.FlightServiceBlockingStub.html#build-io.grpc.Channel-io.grpc.CallOptions-">build</a></span>(io.grpc.Channel channel, |
| io.grpc.CallOptions callOptions)</code> </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/Iterator.html?is-external=true" title="class or interface in java.util">Iterator</a><<a href="../../../../../org/apache/arrow/flight/impl/Flight.Result.html" title="class in org.apache.arrow.flight.impl">Flight.Result</a>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/arrow/flight/impl/FlightServiceGrpc.FlightServiceBlockingStub.html#doAction-org.apache.arrow.flight.impl.Flight.Action-">doAction</a></span>(<a href="../../../../../org/apache/arrow/flight/impl/Flight.Action.html" title="class in org.apache.arrow.flight.impl">Flight.Action</a> request)</code> |
| <div class="block"> |
| Flight services can support an arbitrary number of simple actions in |
| addition to the possible ListFlights, GetFlightInfo, DoGet, DoPut |
| operations that are potentially available.</div> |
| </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/Iterator.html?is-external=true" title="class or interface in java.util">Iterator</a><<a href="../../../../../org/apache/arrow/flight/impl/Flight.FlightData.html" title="class in org.apache.arrow.flight.impl">Flight.FlightData</a>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/arrow/flight/impl/FlightServiceGrpc.FlightServiceBlockingStub.html#doGet-org.apache.arrow.flight.impl.Flight.Ticket-">doGet</a></span>(<a href="../../../../../org/apache/arrow/flight/impl/Flight.Ticket.html" title="class in org.apache.arrow.flight.impl">Flight.Ticket</a> request)</code> |
| <div class="block"> |
| Retrieve a single stream associated with a particular descriptor |
| associated with the referenced ticket.</div> |
| </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code><a href="../../../../../org/apache/arrow/flight/impl/Flight.FlightInfo.html" title="class in org.apache.arrow.flight.impl">Flight.FlightInfo</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/arrow/flight/impl/FlightServiceGrpc.FlightServiceBlockingStub.html#getFlightInfo-org.apache.arrow.flight.impl.Flight.FlightDescriptor-">getFlightInfo</a></span>(<a href="../../../../../org/apache/arrow/flight/impl/Flight.FlightDescriptor.html" title="class in org.apache.arrow.flight.impl">Flight.FlightDescriptor</a> request)</code> |
| <div class="block"> |
| For a given FlightDescriptor, get information about how the flight can be |
| consumed.</div> |
| </td> |
| </tr> |
| <tr id="i4" class="altColor"> |
| <td class="colFirst"><code><a href="../../../../../org/apache/arrow/flight/impl/Flight.SchemaResult.html" title="class in org.apache.arrow.flight.impl">Flight.SchemaResult</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/arrow/flight/impl/FlightServiceGrpc.FlightServiceBlockingStub.html#getSchema-org.apache.arrow.flight.impl.Flight.FlightDescriptor-">getSchema</a></span>(<a href="../../../../../org/apache/arrow/flight/impl/Flight.FlightDescriptor.html" title="class in org.apache.arrow.flight.impl">Flight.FlightDescriptor</a> request)</code> |
| <div class="block"> |
| For a given FlightDescriptor, get the Schema as described in Schema.fbs::Schema |
| This is used when a consumer needs the Schema of flight stream.</div> |
| </td> |
| </tr> |
| <tr id="i5" class="rowColor"> |
| <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/Iterator.html?is-external=true" title="class or interface in java.util">Iterator</a><<a href="../../../../../org/apache/arrow/flight/impl/Flight.ActionType.html" title="class in org.apache.arrow.flight.impl">Flight.ActionType</a>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/arrow/flight/impl/FlightServiceGrpc.FlightServiceBlockingStub.html#listActions-org.apache.arrow.flight.impl.Flight.Empty-">listActions</a></span>(<a href="../../../../../org/apache/arrow/flight/impl/Flight.Empty.html" title="class in org.apache.arrow.flight.impl">Flight.Empty</a> request)</code> |
| <div class="block"> |
| A flight service exposes all of the available action types that it has |
| along with descriptions.</div> |
| </td> |
| </tr> |
| <tr id="i6" class="altColor"> |
| <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/Iterator.html?is-external=true" title="class or interface in java.util">Iterator</a><<a href="../../../../../org/apache/arrow/flight/impl/Flight.FlightInfo.html" title="class in org.apache.arrow.flight.impl">Flight.FlightInfo</a>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/arrow/flight/impl/FlightServiceGrpc.FlightServiceBlockingStub.html#listFlights-org.apache.arrow.flight.impl.Flight.Criteria-">listFlights</a></span>(<a href="../../../../../org/apache/arrow/flight/impl/Flight.Criteria.html" title="class in org.apache.arrow.flight.impl">Flight.Criteria</a> request)</code> |
| <div class="block"> |
| Get a list of available streams given a particular criteria.</div> |
| </td> |
| </tr> |
| <tr id="i7" class="rowColor"> |
| <td class="colFirst"><code><a href="../../../../../org/apache/arrow/flight/impl/Flight.PollInfo.html" title="class in org.apache.arrow.flight.impl">Flight.PollInfo</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/arrow/flight/impl/FlightServiceGrpc.FlightServiceBlockingStub.html#pollFlightInfo-org.apache.arrow.flight.impl.Flight.FlightDescriptor-">pollFlightInfo</a></span>(<a href="../../../../../org/apache/arrow/flight/impl/Flight.FlightDescriptor.html" title="class in org.apache.arrow.flight.impl">Flight.FlightDescriptor</a> request)</code> |
| <div class="block"> |
| For a given FlightDescriptor, start a query and get information |
| to poll its execution status.</div> |
| </td> |
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| <code>newStub, newStub</code></li> |
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| <code>getCallOptions, getChannel, withCallCredentials, withChannel, withCompression, withDeadline, withDeadlineAfter, withExecutor, withInterceptors, withMaxInboundMessageSize, withMaxOutboundMessageSize, withOption, withWaitForReady</code></li> |
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| <a name="build-io.grpc.Channel-io.grpc.CallOptions-"> |
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| <li class="blockList"> |
| <h4>build</h4> |
| <pre>protected <a href="../../../../../org/apache/arrow/flight/impl/FlightServiceGrpc.FlightServiceBlockingStub.html" title="class in org.apache.arrow.flight.impl">FlightServiceGrpc.FlightServiceBlockingStub</a> build(io.grpc.Channel channel, |
| io.grpc.CallOptions callOptions)</pre> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code>build</code> in class <code>io.grpc.stub.AbstractStub<<a href="../../../../../org/apache/arrow/flight/impl/FlightServiceGrpc.FlightServiceBlockingStub.html" title="class in org.apache.arrow.flight.impl">FlightServiceGrpc.FlightServiceBlockingStub</a>></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="listFlights-org.apache.arrow.flight.impl.Flight.Criteria-"> |
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| </a> |
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| <li class="blockList"> |
| <h4>listFlights</h4> |
| <pre>public <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Iterator.html?is-external=true" title="class or interface in java.util">Iterator</a><<a href="../../../../../org/apache/arrow/flight/impl/Flight.FlightInfo.html" title="class in org.apache.arrow.flight.impl">Flight.FlightInfo</a>> listFlights(<a href="../../../../../org/apache/arrow/flight/impl/Flight.Criteria.html" title="class in org.apache.arrow.flight.impl">Flight.Criteria</a> request)</pre> |
| <div class="block"><pre> |
| Get a list of available streams given a particular criteria. Most flight |
| services will expose one or more streams that are readily available for |
| retrieval. This api allows listing the streams available for |
| consumption. A user can also provide a criteria. The criteria can limit |
| the subset of streams that can be listed via this interface. Each flight |
| service allows its own definition of how to consume criteria. |
| </pre></div> |
| </li> |
| </ul> |
| <a name="getFlightInfo-org.apache.arrow.flight.impl.Flight.FlightDescriptor-"> |
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| <h4>getFlightInfo</h4> |
| <pre>public <a href="../../../../../org/apache/arrow/flight/impl/Flight.FlightInfo.html" title="class in org.apache.arrow.flight.impl">Flight.FlightInfo</a> getFlightInfo(<a href="../../../../../org/apache/arrow/flight/impl/Flight.FlightDescriptor.html" title="class in org.apache.arrow.flight.impl">Flight.FlightDescriptor</a> request)</pre> |
| <div class="block"><pre> |
| For a given FlightDescriptor, get information about how the flight can be |
| consumed. This is a useful interface if the consumer of the interface |
| already can identify the specific flight to consume. This interface can |
| also allow a consumer to generate a flight stream through a specified |
| descriptor. For example, a flight descriptor might be something that |
| includes a SQL statement or a Pickled Python operation that will be |
| executed. In those cases, the descriptor will not be previously available |
| within the list of available streams provided by ListFlights but will be |
| available for consumption for the duration defined by the specific flight |
| service. |
| </pre></div> |
| </li> |
| </ul> |
| <a name="pollFlightInfo-org.apache.arrow.flight.impl.Flight.FlightDescriptor-"> |
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| <h4>pollFlightInfo</h4> |
| <pre>public <a href="../../../../../org/apache/arrow/flight/impl/Flight.PollInfo.html" title="class in org.apache.arrow.flight.impl">Flight.PollInfo</a> pollFlightInfo(<a href="../../../../../org/apache/arrow/flight/impl/Flight.FlightDescriptor.html" title="class in org.apache.arrow.flight.impl">Flight.FlightDescriptor</a> request)</pre> |
| <div class="block"><pre> |
| For a given FlightDescriptor, start a query and get information |
| to poll its execution status. This is a useful interface if the |
| query may be a long-running query. The first PollFlightInfo call |
| should return as quickly as possible. (GetFlightInfo doesn't |
| return until the query is complete.) |
| A client can consume any available results before |
| the query is completed. See PollInfo.info for details. |
| A client can poll the updated query status by calling |
| PollFlightInfo() with PollInfo.flight_descriptor. A server |
| should not respond until the result would be different from last |
| time. That way, the client can "long poll" for updates |
| without constantly making requests. Clients can set a short timeout |
| to avoid blocking calls if desired. |
| A client can't use PollInfo.flight_descriptor after |
| PollInfo.expiration_time passes. A server might not accept the |
| retry descriptor anymore and the query may be cancelled. |
| A client may use the CancelFlightInfo action with |
| PollInfo.info to cancel the running query. |
| </pre></div> |
| </li> |
| </ul> |
| <a name="getSchema-org.apache.arrow.flight.impl.Flight.FlightDescriptor-"> |
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| </a> |
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| <h4>getSchema</h4> |
| <pre>public <a href="../../../../../org/apache/arrow/flight/impl/Flight.SchemaResult.html" title="class in org.apache.arrow.flight.impl">Flight.SchemaResult</a> getSchema(<a href="../../../../../org/apache/arrow/flight/impl/Flight.FlightDescriptor.html" title="class in org.apache.arrow.flight.impl">Flight.FlightDescriptor</a> request)</pre> |
| <div class="block"><pre> |
| For a given FlightDescriptor, get the Schema as described in Schema.fbs::Schema |
| This is used when a consumer needs the Schema of flight stream. Similar to |
| GetFlightInfo this interface may generate a new flight that was not previously |
| available in ListFlights. |
| </pre></div> |
| </li> |
| </ul> |
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| <h4>doGet</h4> |
| <pre>public <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Iterator.html?is-external=true" title="class or interface in java.util">Iterator</a><<a href="../../../../../org/apache/arrow/flight/impl/Flight.FlightData.html" title="class in org.apache.arrow.flight.impl">Flight.FlightData</a>> doGet(<a href="../../../../../org/apache/arrow/flight/impl/Flight.Ticket.html" title="class in org.apache.arrow.flight.impl">Flight.Ticket</a> request)</pre> |
| <div class="block"><pre> |
| Retrieve a single stream associated with a particular descriptor |
| associated with the referenced ticket. A Flight can be composed of one or |
| more streams where each stream can be retrieved using a separate opaque |
| ticket that the flight service uses for managing a collection of streams. |
| </pre></div> |
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| <h4>doAction</h4> |
| <pre>public <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Iterator.html?is-external=true" title="class or interface in java.util">Iterator</a><<a href="../../../../../org/apache/arrow/flight/impl/Flight.Result.html" title="class in org.apache.arrow.flight.impl">Flight.Result</a>> doAction(<a href="../../../../../org/apache/arrow/flight/impl/Flight.Action.html" title="class in org.apache.arrow.flight.impl">Flight.Action</a> request)</pre> |
| <div class="block"><pre> |
| Flight services can support an arbitrary number of simple actions in |
| addition to the possible ListFlights, GetFlightInfo, DoGet, DoPut |
| operations that are potentially available. DoAction allows a flight client |
| to do a specific action against a flight service. An action includes |
| opaque request and response objects that are specific to the type action |
| being undertaken. |
| </pre></div> |
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| <h4>listActions</h4> |
| <pre>public <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Iterator.html?is-external=true" title="class or interface in java.util">Iterator</a><<a href="../../../../../org/apache/arrow/flight/impl/Flight.ActionType.html" title="class in org.apache.arrow.flight.impl">Flight.ActionType</a>> listActions(<a href="../../../../../org/apache/arrow/flight/impl/Flight.Empty.html" title="class in org.apache.arrow.flight.impl">Flight.Empty</a> request)</pre> |
| <div class="block"><pre> |
| A flight service exposes all of the available action types that it has |
| along with descriptions. This allows different flight consumers to |
| understand the capabilities of the flight service. |
| </pre></div> |
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