com.xiaomi.infra.galaxy.sds.examples.GlobalIndexExample Maven / Gradle / Ivy
package com.xiaomi.infra.galaxy.sds.examples;
import com.xiaomi.infra.galaxy.sds.client.ClientFactory;
import com.xiaomi.infra.galaxy.sds.thrift.AdminService;
import com.xiaomi.infra.galaxy.sds.thrift.CannedAcl;
import com.xiaomi.infra.galaxy.sds.thrift.CommonConstants;
import com.xiaomi.infra.galaxy.sds.thrift.Credential;
import com.xiaomi.infra.galaxy.sds.thrift.DataType;
import com.xiaomi.infra.galaxy.sds.thrift.Datum;
import com.xiaomi.infra.galaxy.sds.thrift.DatumUtil;
import com.xiaomi.infra.galaxy.sds.thrift.EntityGroupSpec;
import com.xiaomi.infra.galaxy.sds.thrift.GlobalSecondaryIndexSpec;
import com.xiaomi.infra.galaxy.sds.thrift.KeySpec;
import com.xiaomi.infra.galaxy.sds.thrift.ProvisionThroughput;
import com.xiaomi.infra.galaxy.sds.thrift.PutRequest;
import com.xiaomi.infra.galaxy.sds.thrift.ScanRequest;
import com.xiaomi.infra.galaxy.sds.thrift.ScanResult;
import com.xiaomi.infra.galaxy.sds.thrift.TableMetadata;
import com.xiaomi.infra.galaxy.sds.thrift.TableQuota;
import com.xiaomi.infra.galaxy.sds.thrift.TableSchema;
import com.xiaomi.infra.galaxy.sds.thrift.TableService;
import com.xiaomi.infra.galaxy.sds.thrift.TableSpec;
import com.xiaomi.infra.galaxy.sds.thrift.UserType;
import java.util.Arrays;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
/**
* Copyright 2015, Xiaomi.
* All rights reserved.
* Author: [email protected]
*/
public class GlobalIndexExample {
private static AdminService.Iface adminClient;
private static TableService.Iface tableClient;
private static String appId = ""; // Your AppId
private static String appKey = ""; // Your AppKey
private static String appSecret = ""; // Your AppSecret
private static String accountKey = ""; // Your AccountKey
private static String accountSecret = ""; // Your AccountSecret
private static String endpoint = "http://awsbj0.sds.api.xiaomi.com";
private static boolean isInit = false;
private static String tableName = "java-test-global-index";
private static Credential getCredential(String secretKeyId, String secretKey, UserType userType) {
return new Credential().setSecretKeyId(secretKeyId).setSecretKey(secretKey)
.setType(userType);
}
public static AdminService.Iface createAdminClient(String host) {
Credential credential = getCredential(accountKey, accountSecret, UserType.DEV_XIAOMI);
ClientFactory clientFactory = new ClientFactory().setCredential(credential);
return clientFactory.newAdminClient(host + CommonConstants.ADMIN_SERVICE_PATH, 50000, 3000);
}
public static TableService.Iface createTableClient(String host) {
Credential credential = getCredential(appKey, appSecret, UserType.APP_SECRET);
ClientFactory clientFactory = new ClientFactory().setCredential(credential);
return clientFactory.newTableClient(host + CommonConstants.TABLE_SERVICE_PATH, 10000, 3000,
true, 5);
}
private static TableSpec tableSpec() {
EntityGroupSpec entityGroupSpec = new EntityGroupSpec().setAttributes(
Arrays.asList(new KeySpec().setAttribute("userId"))).setEnableHash(
true);
List primaryKey = Arrays.asList(new KeySpec().setAttribute("time"),
new KeySpec().setAttribute("deviceId"));
Map indexes = new HashMap();
GlobalSecondaryIndexSpec didIndex = new GlobalSecondaryIndexSpec();
didIndex.setIndexEntityGroup(
new EntityGroupSpec().setAttributes(Arrays.asList(new KeySpec().setAttribute("deviceId")))
.setEnableHash(true));
didIndex.setIndexPrimaryKey(Arrays.asList(new KeySpec().setAttribute("time").setAsc(false)));
didIndex.setProjections(Arrays.asList("value"));
didIndex.setThroughput(new ProvisionThroughput().setReadCapacity(20).setWriteCapacity(20));
GlobalSecondaryIndexSpec timeIndex = new GlobalSecondaryIndexSpec();
timeIndex.setIndexPrimaryKey(Arrays.asList(new KeySpec().setAttribute("time").setAsc(false)));
timeIndex.setProjections(Arrays.asList("value"));
timeIndex.setThroughput(new ProvisionThroughput().setReadCapacity(20).setWriteCapacity(20));
indexes.put("didIndex", didIndex);
indexes.put("timeIndex", timeIndex);
Map attributes = new HashMap();
attributes.put("userId", DataType.STRING);
attributes.put("deviceId", DataType.STRING);
attributes.put("time", DataType.INT64);
attributes.put("value", DataType.STRING);
TableSchema tableSchema = new TableSchema();
tableSchema.setEntityGroup(entityGroupSpec)
.setPrimaryIndex(primaryKey)
.setGlobalSecondaryIndexes(indexes)
.setAttributes(attributes)
.setTtl(-1);
TableMetadata tableMetadata = new TableMetadata();
tableMetadata
.setQuota(new TableQuota().setSize(100 * 1024 * 1024))
.setAppAcl(cannedAclGrant(appId, CannedAcl.APP_SECRET_READ, CannedAcl.APP_SECRET_WRITE))
.setThroughput(new ProvisionThroughput().setReadCapacity(20).setWriteCapacity(20));
return new TableSpec().setSchema(tableSchema)
.setMetadata(tableMetadata);
}
public static Map> cannedAclGrant(String appId, CannedAcl... cannedAcls) {
Map> appGrant = new HashMap>();
appGrant.put(appId, Arrays.asList(cannedAcls));
return appGrant;
}
private static void init() {
adminClient = createAdminClient(endpoint);
tableClient = createTableClient(endpoint);
isInit = true;
}
private static void printResult(Map resultToPrint) {
for (Map.Entry e : resultToPrint.entrySet()) {
System.out.println(
String.format("[%s] => %s", e.getKey(), DatumUtil.fromDatum(e.getValue()).toString()));
}
}
public static void main(String[] args) throws Exception {
init();
TableSpec tableSpec = tableSpec();
adminClient.createTable(tableName, tableSpec);
try {
// put data
System.out.println("================= put data ====================");
for (int i = 0; i < 5; i++) {
for (int j = 0; j < 5; j++) {
PutRequest putRequest = new PutRequest();
putRequest.setTableName(tableName);
putRequest.putToRecord("userId", DatumUtil.toDatum("user" + i));
putRequest.putToRecord("deviceId", DatumUtil.toDatum("device" + i));
putRequest.putToRecord("time", DatumUtil.toDatum((long) j));
putRequest.putToRecord("value", DatumUtil.toDatum("value " + i + "-" + j));
tableClient.put(putRequest);
}
}
//scan by didIndex to get data that time between 2 ~ 4 and deviceId = device1
System.out.println("================= scan by didIndex ====================");
ScanRequest scanRequest = new ScanRequest();
HashMap startKey = new HashMap();
HashMap stopKey = new HashMap();
scanRequest.setTableName(tableName);
scanRequest.setIndexName("didIndex");
startKey.clear();
startKey.put("deviceId", DatumUtil.toDatum("device1"));
startKey.put("time", DatumUtil.toDatum(4l));
stopKey.clear();
stopKey.put("deviceId", DatumUtil.toDatum("device1"));
stopKey.put("time", DatumUtil.toDatum(2l));
scanRequest.setStartKey(startKey);
scanRequest.setStopKey(stopKey);
scanRequest.setAttributes(Arrays.asList("userId", "value", "time"));
scanRequest.setLimit(10);
ScanResult scanResult = tableClient.scan(scanRequest);
List>kvsList = scanResult.getRecords();
for (Map kvs : kvsList) {
printResult(kvs);
}
// scan by timeIndex to get all data between 1 ~ 3
System.out.println("================= scan by timeIndex ====================");
scanRequest.setIndexName("timeIndex");
startKey.clear();
startKey.put("time", DatumUtil.toDatum(3l));
stopKey.clear();
stopKey.put("time", DatumUtil.toDatum(1l));
scanRequest.setStartKey(startKey);
scanRequest.setStopKey(stopKey);
scanRequest.setAttributes(Arrays.asList("userId", "value", "time"));
scanRequest.setLimit(10);
scanResult = tableClient.scan(scanRequest);
kvsList = scanResult.getRecords();
for (Map kvs : kvsList) {
printResult(kvs);
}
} finally {
adminClient.disableTable(tableName);
adminClient.dropTable(tableName);
}
}
}
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