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/*
* ============LICENSE_START==========================================
* org.onap.music
* ===================================================================
* Copyright (c) 2017 AT&T Intellectual Property
* ===================================================================
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* ============LICENSE_END=============================================
* ====================================================================
*/
package org.onap.music.client;
import java.util.HashMap;
import java.util.Map;
import java.util.Random;
import javax.ws.rs.core.MediaType;
import org.onap.music.datastore.jsonobjects.JsonDelete;
import org.onap.music.datastore.jsonobjects.JsonInsert;
import org.onap.music.datastore.jsonobjects.JsonKeySpace;
import org.onap.music.datastore.jsonobjects.JsonTable;
import org.onap.music.main.MusicUtil;
import com.sun.jersey.api.client.Client;
import com.sun.jersey.api.client.ClientResponse;
import com.sun.jersey.api.client.WebResource;
import com.sun.jersey.api.client.config.ClientConfig;
import com.sun.jersey.api.client.config.DefaultClientConfig;
import com.sun.jersey.api.json.JSONConfiguration;
public class MusicRestClient {
String[] musicNodes;
public MusicRestClient(String[] musicNodes) {
this.musicNodes = musicNodes;
}
public MusicRestClient(String oneMusicNode) {
musicNodes = new String[1];
this.musicNodes[0] = oneMusicNode;
}
public String getMusicNodeURL() {
String musicurl = "http://" + getMusicNodeIp() + ":8080/MUSIC/rest";
return musicurl;
}
private String getMusicNodeIp() {
Random r = new Random();
int index = r.nextInt(musicNodes.length);
return musicNodes[index];
}
public void createKeyspace(String keyspaceName) {
Map<String, Object> replicationInfo = new HashMap<String, Object>();
replicationInfo.put("class", "SimpleStrategy");
replicationInfo.put("replication_factor", 1);
String durabilityOfWrites = "false";
Map<String, String> consistencyInfo = new HashMap<String, String>();
consistencyInfo.put("type", "eventual");
org.onap.music.datastore.jsonobjects.JsonKeySpace jsonKp = new JsonKeySpace();
jsonKp.setConsistencyInfo(consistencyInfo);
jsonKp.setDurabilityOfWrites(durabilityOfWrites);
jsonKp.setReplicationInfo(replicationInfo);
ClientConfig clientConfig = new DefaultClientConfig();
clientConfig.getFeatures().put(JSONConfiguration.FEATURE_POJO_MAPPING, Boolean.TRUE);
Client client = Client.create(clientConfig);
WebResource webResource = client.resource(getMusicNodeURL() + "/keyspaces/" + keyspaceName);
ClientResponse response = webResource.accept("application/json").type("application/json")
.post(ClientResponse.class, jsonKp);
if (response.getStatus() < 200 || response.getStatus() > 299)
throw new RuntimeException("Failed : HTTP error code : " + response.getStatus());
}
public void createStringMapTable(String keyspaceName, String tableName,
Map<String, String> fields) {
Map<String, String> consistencyInfo = new HashMap<String, String>();
consistencyInfo.put("type", "eventual");
JsonTable jtab = new JsonTable();
jtab.setFields(fields);
jtab.setConsistencyInfo(consistencyInfo);
ClientConfig clientConfig = new DefaultClientConfig();
clientConfig.getFeatures().put(JSONConfiguration.FEATURE_POJO_MAPPING, Boolean.TRUE);
Client client = Client.create(clientConfig);
String url = getMusicNodeURL() + "/keyspaces/" + keyspaceName + "/tables/" + tableName;
WebResource webResource = client.resource(url);
ClientResponse response = webResource.accept("application/json").type("application/json")
.post(ClientResponse.class, jtab);
if (response.getStatus() < 200 || response.getStatus() > 299)
throw new RuntimeException("Failed : HTTP error code : " + response.getStatus());
}
public void checkMusicVersion() {
Client client = Client.create();
WebResource webResource = client.resource(getMusicNodeURL() + "/version");
ClientResponse response = webResource.accept("text/plain").get(ClientResponse.class);
if (response.getStatus() != 200) {
throw new RuntimeException("Failed : HTTP error code : " + response.getStatus());
}
String output = response.getEntity(String.class);
}
public void createRow(String keyspaceName, String tableName, Map<String, Object> values) {
Map<String, String> consistencyInfo = new HashMap<String, String>();
consistencyInfo.put("type", "eventual");
JsonInsert jIns = new JsonInsert();
jIns.setValues(values);
jIns.setConsistencyInfo(consistencyInfo);
ClientConfig clientConfig = new DefaultClientConfig();
clientConfig.getFeatures().put(JSONConfiguration.FEATURE_POJO_MAPPING, Boolean.TRUE);
Client client = Client.create(clientConfig);
String url = getMusicNodeURL() + "/keyspaces/" + keyspaceName + "/tables/" + tableName
+ "/rows";
WebResource webResource = client.resource(url);
ClientResponse response = webResource.accept("application/json").type("application/json")
.post(ClientResponse.class, jIns);
if (response.getStatus() < 200 || response.getStatus() > 299)
throw new RuntimeException("Failed : HTTP error code : " + response.getStatus() + "url:"
+ url + "values:" + values);
}
private void basicUpdateRow(String keyspaceName, String tableName, String primaryKeyName,
String primaryKeyValue, Map<String, Object> values,
Map<String, String> consistencyInfo) {
JsonInsert jIns = new JsonInsert();
jIns.setValues(values);
jIns.setConsistencyInfo(consistencyInfo);
ClientConfig clientConfig = new DefaultClientConfig();
clientConfig.getFeatures().put(JSONConfiguration.FEATURE_POJO_MAPPING, Boolean.TRUE);
Client client = Client.create(clientConfig);
String url = getMusicNodeURL() + "/keyspaces/" + keyspaceName + "/tables/" + tableName
+ "/rows?" + primaryKeyName + "=" + primaryKeyValue;
WebResource webResource = client.resource(url);
ClientResponse response = webResource.accept("application/json").type("application/json")
.put(ClientResponse.class, jIns);
if (response.getStatus() < 200 || response.getStatus() > 299)
throw new RuntimeException("Failed : HTTP error code : " + response.getStatus() + "url:"
+ url + " values:" + values);
}
public void updateEntry(String keyspaceName, String tableName, String primaryKeyName,
String primaryKeyValue, Map<String, Object> values) {
Map<String, String> consistencyInfo = new HashMap<String, String>();
consistencyInfo.put("type", "eventual");
basicUpdateRow(keyspaceName, tableName, primaryKeyName, primaryKeyValue, values,
consistencyInfo);
}
public void deleteEntry(String keyspaceName, String tableName, String primaryKeyName,
String primaryKeyValue) {
Map<String, String> consistencyInfo = new HashMap<String, String>();
consistencyInfo.put("type", "eventual");
JsonDelete jDel = new JsonDelete();
jDel.setConsistencyInfo(consistencyInfo);
ClientConfig clientConfig = new DefaultClientConfig();
clientConfig.getFeatures().put(JSONConfiguration.FEATURE_POJO_MAPPING, Boolean.TRUE);
Client client = Client.create(clientConfig);
String url = getMusicNodeURL() + "/keyspaces/" + keyspaceName + "/tables/" + tableName
+ "/rows?" + primaryKeyName + "=" + primaryKeyValue;
WebResource webResource = client.resource(url);
ClientResponse response = webResource.accept("application/json").type("application/json")
.delete(ClientResponse.class, jDel);
if (response.getStatus() < 200 || response.getStatus() > 299)
throw new RuntimeException(
"Failed : HTTP error code : " + response.getStatus() + "url:" + url);
}
public Map<String, Object> readRow(String keyspaceName, String tableName, String primaryKeyName,
String primaryKeyValue) {
ClientConfig clientConfig = new DefaultClientConfig();
clientConfig.getFeatures().put(JSONConfiguration.FEATURE_POJO_MAPPING, Boolean.TRUE);
Client client = Client.create(clientConfig);
String url = getMusicNodeURL() + "/keyspaces/" + keyspaceName + "/tables/" + tableName
+ "/rows?" + primaryKeyName + "=" + primaryKeyValue;
WebResource webResource = client.resource(url);
ClientResponse response = webResource.accept("application/json").get(ClientResponse.class);
if (response.getStatus() < 200 || response.getStatus() > 299)
throw new RuntimeException("Failed : HTTP error code : " + response.getStatus());
Map<String, Object> output = response.getEntity(Map.class);
return output;
}
public Map<String, Object> readAllRows(String keyspaceName, String tableName) {
ClientConfig clientConfig = new DefaultClientConfig();
clientConfig.getFeatures().put(JSONConfiguration.FEATURE_POJO_MAPPING, Boolean.TRUE);
Client client = Client.create(clientConfig);
String url = getMusicNodeURL() + "/keyspaces/" + keyspaceName + "/tables/" + tableName
+ "/rows";
WebResource webResource = client.resource(url);
ClientResponse response = webResource.accept("application/json").get(ClientResponse.class);
if (response.getStatus() < 200 || response.getStatus() > 299)
throw new RuntimeException("Failed : HTTP error code : " + response.getStatus());
Map<String, Object> output = response.getEntity(Map.class);
return output;
}
public void dropKeySpace(String keyspaceName) {
Map<String, String> consistencyInfo = new HashMap<String, String>();
consistencyInfo.put("type", "eventual");
JsonKeySpace jsonKp = new JsonKeySpace();
jsonKp.setConsistencyInfo(consistencyInfo);
ClientConfig clientConfig = new DefaultClientConfig();
clientConfig.getFeatures().put(JSONConfiguration.FEATURE_POJO_MAPPING, Boolean.TRUE);
Client client = Client.create(clientConfig);
WebResource webResource = client.resource(getMusicNodeURL() + "/keyspaces/" + keyspaceName);
ClientResponse response =
webResource.type("application/json").delete(ClientResponse.class, jsonKp);
if (response.getStatus() < 200 || response.getStatus() > 299)
throw new RuntimeException("Failed : HTTP error code : " + response.getStatus());
}
public String createLock(String primaryKeyValue) {
Client client = Client.create();
String msg = getMusicNodeURL() + "/locks/create/" + primaryKeyValue;
WebResource webResource = client.resource(msg);
WebResource.Builder wb = webResource.accept(MediaType.TEXT_PLAIN);
ClientResponse response = wb.post(ClientResponse.class);
if (response.getStatus() != 200) {
throw new RuntimeException(
"Failed : HTTP error code : " + response.getStatus() + "url:" + msg);
}
String output = response.getEntity(String.class);
return output;
}
public boolean acquireLock(String lockId) {
Client client = Client.create();
String msg = getMusicNodeURL() + "/locks/acquire/" + lockId;
WebResource webResource = client.resource(msg);
WebResource.Builder wb = webResource.accept(MediaType.TEXT_PLAIN);
ClientResponse response = wb.get(ClientResponse.class);
if (response.getStatus() != 200) {
throw new RuntimeException(
"Failed : HTTP error code : " + response.getStatus() + "url:" + msg);
}
String output = response.getEntity(String.class);
Boolean status = Boolean.parseBoolean(output);
return status;
}
public void releaseLock(String lockId) {
Client client = Client.create();
WebResource webResource = client.resource(getMusicNodeURL() + "/locks/release/" + lockId);
ClientResponse response = webResource.delete(ClientResponse.class);
if (response.getStatus() != 204) {
throw new RuntimeException("Failed : HTTP error code : " + response.getStatus());
}
}
public void updateRowAtomically(String keyspaceName, String tableName, String primaryKeyName,
String primaryKeyValue, Map<String, Object> values) {
/*
* create lock for the candidate. The music API dictates that the lock name must be of the
* form keyspacename.tableName.primaryKeyName
*/
String lockName = keyspaceName + "." + tableName + "." + primaryKeyValue;
String lockId = createLock(lockName);
while (acquireLock(lockId) != true);
Map<String, String> consistencyInfo = new HashMap<String, String>();
consistencyInfo.put("type", "atomic");
consistencyInfo.put("lockId", lockId);
basicUpdateRow(keyspaceName, tableName, primaryKeyName, primaryKeyValue, values,
consistencyInfo);
// release lock now that the operation is done
releaseLock(lockId);
}
public String getMusicId() {
Client client = Client.create();
WebResource webResource = client.resource(getMusicNodeURL() + "/nodeId");
ClientResponse response = webResource.accept("text/plain").get(ClientResponse.class);
if (response.getStatus() != 200) {
throw new RuntimeException("Failed : HTTP error code : " + response.getStatus());
}
String output = response.getEntity(String.class);
return output;
}
public void deleteRowAtomically(String keyspaceName, String tableName, String primaryKeyName,
String primaryKeyValue, Map<String, Object> values) {
}
public void deleteLock(String lockName) {
Client client = Client.create();
WebResource webResource = client.resource(getMusicNodeURL() + "/locks/delete/" + lockName);
ClientResponse response = webResource.delete(ClientResponse.class);
if (response.getStatus() != 204) {
throw new RuntimeException("Failed : HTTP error code : " + response.getStatus());
}
}
}
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