Examples with ResponseBuilder org.apache.hbase.thirdparty.javax.ws.rs.core.Response.ResponseBuilder used on opensource projects

Example 6 with ResponseBuilder

use of org.apache.hbase.thirdparty.javax.ws.rs.core.Response.ResponseBuilder in project hbase by apache.

the class ScannerInstanceResource method get.

@GET
@Produces({ MIMETYPE_XML, MIMETYPE_JSON, MIMETYPE_PROTOBUF, MIMETYPE_PROTOBUF_IETF })
public Response get(@Context final UriInfo uriInfo, @QueryParam("n") int maxRows, @QueryParam("c") final int maxValues) {
    if (LOG.isTraceEnabled()) {
        LOG.trace("GET " + uriInfo.getAbsolutePath());
    }
    servlet.getMetrics().incrementRequests(1);
    if (generator == null) {
        servlet.getMetrics().incrementFailedGetRequests(1);
        return Response.status(Response.Status.NOT_FOUND).type(MIMETYPE_TEXT).entity("Not found" + CRLF).build();
    } else {
        // Updated the connection access time for each client next() call
        RESTServlet.getInstance().getConnectionCache().updateConnectionAccessTime();
    }
    CellSetModel model = new CellSetModel();
    RowModel rowModel = null;
    byte[] rowKey = null;
    int limit = batch;
    if (maxValues > 0) {
        limit = maxValues;
    }
    int count = limit;
    do {
        Cell value = null;
        try {
            value = generator.next();
        } catch (IllegalStateException e) {
            if (ScannerResource.delete(id)) {
                servlet.getMetrics().incrementSucessfulDeleteRequests(1);
            } else {
                servlet.getMetrics().incrementFailedDeleteRequests(1);
            }
            servlet.getMetrics().incrementFailedGetRequests(1);
            return Response.status(Response.Status.GONE).type(MIMETYPE_TEXT).entity("Gone" + CRLF).build();
        } catch (IllegalArgumentException e) {
            Throwable t = e.getCause();
            if (t instanceof TableNotFoundException) {
                return Response.status(Response.Status.NOT_FOUND).type(MIMETYPE_TEXT).entity("Not found" + CRLF).build();
            }
            throw e;
        }
        if (value == null) {
            if (LOG.isTraceEnabled()) {
                LOG.trace("generator exhausted");
            }
            // returned
            if (count == limit) {
                return Response.noContent().build();
            }
            break;
        }
        if (rowKey == null) {
            rowKey = CellUtil.cloneRow(value);
            rowModel = new RowModel(rowKey);
        }
        if (!Bytes.equals(CellUtil.cloneRow(value), rowKey)) {
            // specified number of rows
            if (maxRows > 0) {
                if (--maxRows == 0) {
                    generator.putBack(value);
                    break;
                }
            }
            model.addRow(rowModel);
            rowKey = CellUtil.cloneRow(value);
            rowModel = new RowModel(rowKey);
        }
        rowModel.addCell(new CellModel(CellUtil.cloneFamily(value), CellUtil.cloneQualifier(value), value.getTimestamp(), CellUtil.cloneValue(value)));
    } while (--count > 0);
    model.addRow(rowModel);
    ResponseBuilder response = Response.ok(model);
    response.cacheControl(cacheControl);
    servlet.getMetrics().incrementSucessfulGetRequests(1);
    return response.build();
}

Example 7 with ResponseBuilder

use of org.apache.hbase.thirdparty.javax.ws.rs.core.Response.ResponseBuilder in project hbase by apache.

the class StorageClusterStatusResource method get.

@GET
@Produces({ MIMETYPE_TEXT, MIMETYPE_XML, MIMETYPE_JSON, MIMETYPE_PROTOBUF, MIMETYPE_PROTOBUF_IETF })
public Response get(@Context final UriInfo uriInfo) {
    if (LOG.isTraceEnabled()) {
        LOG.trace("GET " + uriInfo.getAbsolutePath());
    }
    servlet.getMetrics().incrementRequests(1);
    try {
        ClusterMetrics status = servlet.getAdmin().getClusterMetrics(EnumSet.of(Option.LIVE_SERVERS, Option.DEAD_SERVERS));
        StorageClusterStatusModel model = new StorageClusterStatusModel();
        model.setRegions(status.getRegionCount());
        model.setRequests(status.getRequestCount());
        model.setAverageLoad(status.getAverageLoad());
        for (Map.Entry<ServerName, ServerMetrics> entry : status.getLiveServerMetrics().entrySet()) {
            ServerName sn = entry.getKey();
            ServerMetrics load = entry.getValue();
            StorageClusterStatusModel.Node node = model.addLiveNode(sn.getHostname() + ":" + Integer.toString(sn.getPort()), sn.getStartcode(), (int) load.getUsedHeapSize().get(Size.Unit.MEGABYTE), (int) load.getMaxHeapSize().get(Size.Unit.MEGABYTE));
            node.setRequests(load.getRequestCount());
            for (RegionMetrics region : load.getRegionMetrics().values()) {
                node.addRegion(region.getRegionName(), region.getStoreCount(), region.getStoreFileCount(), (int) region.getStoreFileSize().get(Size.Unit.MEGABYTE), (int) region.getMemStoreSize().get(Size.Unit.MEGABYTE), (long) region.getStoreFileIndexSize().get(Size.Unit.KILOBYTE), region.getReadRequestCount(), region.getCpRequestCount(), region.getWriteRequestCount(), (int) region.getStoreFileRootLevelIndexSize().get(Size.Unit.KILOBYTE), (int) region.getStoreFileUncompressedDataIndexSize().get(Size.Unit.KILOBYTE), (int) region.getBloomFilterSize().get(Size.Unit.KILOBYTE), region.getCompactingCellCount(), region.getCompactedCellCount());
            }
        }
        for (ServerName name : status.getDeadServerNames()) {
            model.addDeadNode(name.toString());
        }
        ResponseBuilder response = Response.ok(model);
        response.cacheControl(cacheControl);
        servlet.getMetrics().incrementSucessfulGetRequests(1);
        return response.build();
    } catch (IOException e) {
        servlet.getMetrics().incrementFailedGetRequests(1);
        return Response.status(Response.Status.SERVICE_UNAVAILABLE).type(MIMETYPE_TEXT).entity("Unavailable" + CRLF).build();
    }
}

Example 8 with ResponseBuilder

use of org.apache.hbase.thirdparty.javax.ws.rs.core.Response.ResponseBuilder in project hbase by apache.

the class VersionResource method get.

/**
 * Build a response for a version request.
 * @param context servlet context
 * @param uriInfo (JAX-RS context variable) request URL
 * @return a response for a version request
 */
@GET
@Produces({ MIMETYPE_TEXT, MIMETYPE_XML, MIMETYPE_JSON, MIMETYPE_PROTOBUF, MIMETYPE_PROTOBUF_IETF })
public Response get(@Context final ServletContext context, @Context final UriInfo uriInfo) {
    if (LOG.isTraceEnabled()) {
        LOG.trace("GET " + uriInfo.getAbsolutePath());
    }
    servlet.getMetrics().incrementRequests(1);
    ResponseBuilder response = Response.ok(new VersionModel(context));
    response.cacheControl(cacheControl);
    servlet.getMetrics().incrementSucessfulGetRequests(1);
    return response.build();
}

Example 9 with ResponseBuilder

use of org.apache.hbase.thirdparty.javax.ws.rs.core.Response.ResponseBuilder in project hbase by apache.

the class ScannerInstanceResource method getBinary.

@GET
@Produces(MIMETYPE_BINARY)
public Response getBinary(@Context final UriInfo uriInfo) {
    if (LOG.isTraceEnabled()) {
        LOG.trace("GET " + uriInfo.getAbsolutePath() + " as " + MIMETYPE_BINARY);
    }
    servlet.getMetrics().incrementRequests(1);
    try {
        Cell value = generator.next();
        if (value == null) {
            if (LOG.isTraceEnabled()) {
                LOG.trace("generator exhausted");
            }
            return Response.noContent().build();
        }
        ResponseBuilder response = Response.ok(CellUtil.cloneValue(value));
        response.cacheControl(cacheControl);
        response.header("X-Row", Bytes.toString(Base64.getEncoder().encode(CellUtil.cloneRow(value))));
        response.header("X-Column", Bytes.toString(Base64.getEncoder().encode(CellUtil.makeColumn(CellUtil.cloneFamily(value), CellUtil.cloneQualifier(value)))));
        response.header("X-Timestamp", value.getTimestamp());
        servlet.getMetrics().incrementSucessfulGetRequests(1);
        return response.build();
    } catch (IllegalStateException e) {
        if (ScannerResource.delete(id)) {
            servlet.getMetrics().incrementSucessfulDeleteRequests(1);
        } else {
            servlet.getMetrics().incrementFailedDeleteRequests(1);
        }
        servlet.getMetrics().incrementFailedGetRequests(1);
        return Response.status(Response.Status.GONE).type(MIMETYPE_TEXT).entity("Gone" + CRLF).build();
    }
}

Example 10 with ResponseBuilder

use of org.apache.hbase.thirdparty.javax.ws.rs.core.Response.ResponseBuilder in project hbase by apache.

the class SchemaResource method get.

@GET
@Produces({ MIMETYPE_TEXT, MIMETYPE_XML, MIMETYPE_JSON, MIMETYPE_PROTOBUF, MIMETYPE_PROTOBUF_IETF })
public Response get(@Context final UriInfo uriInfo) {
    if (LOG.isTraceEnabled()) {
        LOG.trace("GET " + uriInfo.getAbsolutePath());
    }
    servlet.getMetrics().incrementRequests(1);
    try {
        ResponseBuilder response = Response.ok(new TableSchemaModel(getTableSchema()));
        response.cacheControl(cacheControl);
        servlet.getMetrics().incrementSucessfulGetRequests(1);
        return response.build();
    } catch (Exception e) {
        servlet.getMetrics().incrementFailedGetRequests(1);
        return processException(e);
    }
}