protobuf格式的返回結(jié)果需反序列化成PBResult才能使用。PBResult.proto定義如下：

package isearch.common;
option cc_enable_arenas = true;

message PBAttrKVPair {
    optional string key = 1;
    repeated int64 int64Value = 2;
    repeated double doubleValue = 3;
    repeated bytes bytesValue = 4;
}

enum ValueType {
    ATTRIBUTE_TYPE = 0;
    VARIABLE_VALUE_TYPE = 1;
}

message PBInt64Attribute {
    optional string key = 1;
    optional ValueType type = 2;
    repeated int64 int64Value = 3;
    repeated uint32 offset = 4;
}

message PBDoubleAttribute {
    optional string key = 1;
    optional ValueType type = 2;
    repeated double doubleValue = 3;
    repeated uint32 offset = 4;
}

message PBBytesAttribute {
    optional string key = 1;
    optional ValueType type = 2;
    repeated bytes bytesValue = 3;
    repeated uint32 offset = 4;
}

message SortExprssionMeta {
    optional bool sortFlag = 1;
    optional string sortExprName = 2;
}

message PBSortValues {
    optional uint32 dimensionCount = 1;
    repeated double sortValues = 2;
    repeated SortExprssionMeta sortExprMetas = 3;
}

message PBKVPair {
    optional string key = 1;
    optional bytes value = 2;
}

message PBResult
{
    optional uint64 totalTime = 1;
    optional PBHits hits = 2;
    repeated PBAggregateResults aggResults = 3;
    repeated PBErrorResult errorResults = 4;
    optional bytes tracer = 5;
    optional bool fromCache = 6;
    optional PBMatchDocs matchDocs = 7;
    repeated PBMetaMap metaMap = 8;
}

message PBMatchDocs
{
    optional uint32 numMatchDocs = 1;
    optional uint32 totalMatchDocs = 2;
    repeated string clusterNames = 3;
    repeated uint32 clusterIds = 4;
    repeated uint32 hashids = 5;
    repeated uint32 docids = 6;
    repeated int32 fullIndexVersions = 7;
    repeated int32 indexVersions = 8;
    repeated uint64 pkHighers = 9;
    repeated uint64 pkLowers = 10;
    repeated uint32 searcherIps = 11;
    repeated bytes tracers = 12;
    repeated PBInt64Attribute int64AttrValues = 13;
    repeated PBDoubleAttribute doubleAttrValues = 14;
    repeated PBBytesAttribute bytesAttrValues = 15;
    optional PBSortValues sortValues = 16;
}

message PBHits
{
    optional uint32 numhits = 1;
    optional uint32 totalHits = 2;
    repeated PBHit hit = 3;
    repeated PBMetaHitMap metaHitMap = 4;
    optional double coveredPercent = 5;
    repeated SortExprssionMeta sortExprMetas = 6;
}

message PBHit {
    optional string clusterName = 1;
    optional uint32 hashid = 2;
    optional uint32 docid = 3;
    optional int32 fullIndexVersion = 4;
    optional int32 indexVersion = 5;
    optional uint64 pkHigher = 6;
    optional uint64 pkLower = 7;
    repeated PBAttrKVPair attributes = 8;
    repeated PBAttrKVPair variableValues = 9;
    repeated PBKVPair summary = 10;
    repeated PBKVPair property = 11;
    repeated string sortValues = 12;
    optional bytes tracer = 13;
    optional uint32 searcherIp = 14;
    optional string rawPk = 15;
    optional bytes summaryBytes = 16;
}

message PBMetaHitMap
{
    optional string metaHitKey = 1;
    repeated PBKVPair metaHitValue = 2;
}

message PBAggregateResults
{
    optional string aggregateKey = 1;
    repeated PBAggregateValue aggregateValue = 2;
}

message PBAggregateValue
{
    optional string groupValue = 1;
    repeated PBKVPair funNameResultPair = 2;
}

message PBErrorResult
{
    optional string partitionId = 1;
    optional string hostName = 2;
    optional uint32 errorCode = 3;
    optional string errorDescription = 4;
}

message PBMetaMap
{
    optional string metaKey = 1;
    repeated PBKVPair metaValue = 2;
}