Example usage for java.util.concurrent CompletableFuture completeExceptionally

Introduction

In this page you can find the example usage for java.util.concurrent CompletableFuture completeExceptionally.

Prototype

public boolean completeExceptionally(Throwable ex) 

Source Link

Document

If not already completed, causes invocations of #get() and related methods to throw the given exception.

Usage

From source file:org.apache.hadoop.hbase.client.RawAsyncHBaseAdmin.java

@Override
public CompletableFuture<Void> split(TableName tableName, byte[] splitPoint) {
    CompletableFuture<Void> result = new CompletableFuture<>();
    if (splitPoint == null) {
        return failedFuture(new IllegalArgumentException("splitPoint can not be null."));
    }//from   w  ww  . j  a  v  a 2 s. c o  m
    addListener(connection.getRegionLocator(tableName).getRegionLocation(splitPoint, true), (loc, err) -> {
        if (err != null) {
            result.completeExceptionally(err);
        } else if (loc == null || loc.getRegion() == null) {
            result.completeExceptionally(new IllegalArgumentException(
                    "Region does not found: rowKey=" + Bytes.toStringBinary(splitPoint)));
        } else {
            addListener(splitRegion(loc.getRegion().getRegionName(), splitPoint), (ret, err2) -> {
                if (err2 != null) {
                    result.completeExceptionally(err2);
                } else {
                    result.complete(ret);
                }

            });
        }
    });
    return result;
}

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From source file:org.apache.hadoop.hbase.client.RawAsyncHBaseAdmin.java

@Override
public CompletableFuture<Void> splitRegion(byte[] regionName) {
    CompletableFuture<Void> future = new CompletableFuture<>();
    addListener(getRegionLocation(regionName), (location, err) -> {
        if (err != null) {
            future.completeExceptionally(err);
            return;
        }/*from  w ww  .  j  a v a  2  s  . c  o  m*/
        RegionInfo regionInfo = location.getRegion();
        if (regionInfo.getReplicaId() != RegionInfo.DEFAULT_REPLICA_ID) {
            future.completeExceptionally(new IllegalArgumentException("Can't split replicas directly. "
                    + "Replicas are auto-split when their primary is split."));
            return;
        }
        ServerName serverName = location.getServerName();
        if (serverName == null) {
            future.completeExceptionally(new NoServerForRegionException(Bytes.toStringBinary(regionName)));
            return;
        }
        addListener(split(regionInfo, null), (ret, err2) -> {
            if (err2 != null) {
                future.completeExceptionally(err2);
            } else {
                future.complete(ret);
            }
        });
    });
    return future;
}

---

From source file:org.apache.hadoop.hbase.client.RawAsyncHBaseAdmin.java

@Override
public CompletableFuture<Void> splitRegion(byte[] regionName, byte[] splitPoint) {
    Preconditions.checkNotNull(splitPoint,
            "splitPoint is null. If you don't specify a splitPoint, use splitRegion(byte[]) instead");
    CompletableFuture<Void> future = new CompletableFuture<>();
    addListener(getRegionLocation(regionName), (location, err) -> {
        if (err != null) {
            future.completeExceptionally(err);
            return;
        }//from w  w  w .  j a  v  a  2s  .co m
        RegionInfo regionInfo = location.getRegion();
        if (regionInfo.getReplicaId() != RegionInfo.DEFAULT_REPLICA_ID) {
            future.completeExceptionally(new IllegalArgumentException("Can't split replicas directly. "
                    + "Replicas are auto-split when their primary is split."));
            return;
        }
        ServerName serverName = location.getServerName();
        if (serverName == null) {
            future.completeExceptionally(new NoServerForRegionException(Bytes.toStringBinary(regionName)));
            return;
        }
        if (regionInfo.getStartKey() != null && Bytes.compareTo(regionInfo.getStartKey(), splitPoint) == 0) {
            future.completeExceptionally(
                    new IllegalArgumentException("should not give a splitkey which equals to startkey!"));
            return;
        }
        addListener(split(regionInfo, splitPoint), (ret, err2) -> {
            if (err2 != null) {
                future.completeExceptionally(err2);
            } else {
                future.complete(ret);
            }
        });
    });
    return future;
}

---

From source file:org.apache.hadoop.hbase.client.RawAsyncHBaseAdmin.java

private CompletableFuture<Void> split(final RegionInfo hri, byte[] splitPoint) {
    CompletableFuture<Void> future = new CompletableFuture<>();
    TableName tableName = hri.getTable();
    SplitTableRegionRequest request = null;
    try {//from   w w  w. j a v a  2 s .c om
        request = RequestConverter.buildSplitTableRegionRequest(hri, splitPoint, ng.getNonceGroup(),
                ng.newNonce());
    } catch (DeserializationException e) {
        future.completeExceptionally(e);
        return future;
    }

    addListener(this.<SplitTableRegionRequest, SplitTableRegionResponse>procedureCall(tableName, request,
            (s, c, req, done) -> s.splitRegion(c, req, done), (resp) -> resp.getProcId(),
            new SplitTableRegionProcedureBiConsumer(tableName)), (ret, err2) -> {
                if (err2 != null) {
                    future.completeExceptionally(err2);
                } else {
                    future.complete(ret);
                }
            });
    return future;
}

---

From source file:org.apache.hadoop.hbase.client.RawAsyncHBaseAdmin.java

@Override
public CompletableFuture<Void> assign(byte[] regionName) {
    CompletableFuture<Void> future = new CompletableFuture<>();
    addListener(getRegionInfo(regionName), (regionInfo, err) -> {
        if (err != null) {
            future.completeExceptionally(err);
            return;
        }/*from   w  w w  .  j ava2  s .  c  o  m*/
        addListener(this.<Void>newMasterCaller().priority(regionInfo.getTable())
                .action(((controller, stub) -> this.<AssignRegionRequest, AssignRegionResponse, Void>call(
                        controller, stub, RequestConverter.buildAssignRegionRequest(regionInfo.getRegionName()),
                        (s, c, req, done) -> s.assignRegion(c, req, done), resp -> null)))
                .call(), (ret, err2) -> {
                    if (err2 != null) {
                        future.completeExceptionally(err2);
                    } else {
                        future.complete(ret);
                    }
                });
    });
    return future;
}

---

From source file:org.apache.hadoop.hbase.client.RawAsyncHBaseAdmin.java

@Override
public CompletableFuture<Void> unassign(byte[] regionName, boolean forcible) {
    CompletableFuture<Void> future = new CompletableFuture<>();
    addListener(getRegionInfo(regionName), (regionInfo, err) -> {
        if (err != null) {
            future.completeExceptionally(err);
            return;
        }/*from w  ww . j  a  v a 2  s .  c  o m*/
        addListener(this.<Void>newMasterCaller().priority(regionInfo.getTable())
                .action(((controller, stub) -> this.<UnassignRegionRequest, UnassignRegionResponse, Void>call(
                        controller, stub,
                        RequestConverter.buildUnassignRegionRequest(regionInfo.getRegionName(), forcible),
                        (s, c, req, done) -> s.unassignRegion(c, req, done), resp -> null)))
                .call(), (ret, err2) -> {
                    if (err2 != null) {
                        future.completeExceptionally(err2);
                    } else {
                        future.complete(ret);
                    }
                });
    });
    return future;
}

---

From source file:org.apache.hadoop.hbase.client.RawAsyncHBaseAdmin.java

@Override
public CompletableFuture<Void> offline(byte[] regionName) {
    CompletableFuture<Void> future = new CompletableFuture<>();
    addListener(getRegionInfo(regionName), (regionInfo, err) -> {
        if (err != null) {
            future.completeExceptionally(err);
            return;
        }/* w  ww.j  av a2  s . c o m*/
        addListener(this.<Void>newMasterCaller().priority(regionInfo.getTable())
                .action(((controller, stub) -> this.<OfflineRegionRequest, OfflineRegionResponse, Void>call(
                        controller, stub,
                        RequestConverter.buildOfflineRegionRequest(regionInfo.getRegionName()),
                        (s, c, req, done) -> s.offlineRegion(c, req, done), resp -> null)))
                .call(), (ret, err2) -> {
                    if (err2 != null) {
                        future.completeExceptionally(err2);
                    } else {
                        future.complete(ret);
                    }
                });
    });
    return future;
}

---

From source file:org.apache.hadoop.hbase.client.RawAsyncHBaseAdmin.java

@Override
public CompletableFuture<Void> move(byte[] regionName) {
    CompletableFuture<Void> future = new CompletableFuture<>();
    addListener(getRegionInfo(regionName), (regionInfo, err) -> {
        if (err != null) {
            future.completeExceptionally(err);
            return;
        }//from  w w  w.jav a2 s  . c  o  m
        addListener(
                moveRegion(regionInfo,
                        RequestConverter.buildMoveRegionRequest(regionInfo.getEncodedNameAsBytes(), null)),
                (ret, err2) -> {
                    if (err2 != null) {
                        future.completeExceptionally(err2);
                    } else {
                        future.complete(ret);
                    }
                });
    });
    return future;
}

---

From source file:org.apache.hadoop.hbase.client.RawAsyncHBaseAdmin.java

@Override
public CompletableFuture<Void> move(byte[] regionName, ServerName destServerName) {
    Preconditions.checkNotNull(destServerName,
            "destServerName is null. If you don't specify a destServerName, use move(byte[]) instead");
    CompletableFuture<Void> future = new CompletableFuture<>();
    addListener(getRegionInfo(regionName), (regionInfo, err) -> {
        if (err != null) {
            future.completeExceptionally(err);
            return;
        }/*w  w  w  .j  a v a  2  s  .c o m*/
        addListener(
                moveRegion(regionInfo, RequestConverter
                        .buildMoveRegionRequest(regionInfo.getEncodedNameAsBytes(), destServerName)),
                (ret, err2) -> {
                    if (err2 != null) {
                        future.completeExceptionally(err2);
                    } else {
                        future.complete(ret);
                    }
                });
    });
    return future;
}

---

From source file:org.apache.hadoop.hbase.client.RawAsyncHBaseAdmin.java

@Override
public CompletableFuture<List<QuotaSettings>> getQuota(QuotaFilter filter) {
    CompletableFuture<List<QuotaSettings>> future = new CompletableFuture<>();
    Scan scan = QuotaTableUtil.makeScan(filter);
    this.connection.getTableBuilder(QuotaTableUtil.QUOTA_TABLE_NAME).build().scan(scan,
            new AdvancedScanResultConsumer() {
                List<QuotaSettings> settings = new ArrayList<>();

                @Override//from  w  ww.jav  a  2s .  c o m
                public void onNext(Result[] results, ScanController controller) {
                    for (Result result : results) {
                        try {
                            QuotaTableUtil.parseResultToCollection(result, settings);
                        } catch (IOException e) {
                            controller.terminate();
                            future.completeExceptionally(e);
                        }
                    }
                }

                @Override
                public void onError(Throwable error) {
                    future.completeExceptionally(error);
                }

                @Override
                public void onComplete() {
                    future.complete(settings);
                }
            });
    return future;
}

---

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