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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.service;
import java.util.List;
import java.util.Map;
import org.onap.music.datastore.PreparedQueryObject;
import org.onap.music.exceptions.MusicLockingException;
import org.onap.music.exceptions.MusicQueryException;
import org.onap.music.exceptions.MusicServiceException;
import org.onap.music.lockingservice.cassandra.LockType;
import org.onap.music.lockingservice.cassandra.MusicLockState;
import org.onap.music.main.ResultType;
import org.onap.music.main.ReturnType;
import org.onap.music.datastore.*;
import com.datastax.driver.core.ResultSet;
public interface MusicCoreService {
// Core Music Database Methods
public ReturnType eventualPut(PreparedQueryObject queryObject);
public ReturnType eventualPut_nb(PreparedQueryObject queryObject,String keyspace,String tablename,String primaryKey);
public ReturnType criticalPut(String keyspaceName, String tableName, String primaryKey,
PreparedQueryObject queryObject, String lockId, Condition conditionInfo);
public ResultType nonKeyRelatedPut(PreparedQueryObject queryObject, String consistency)
throws MusicServiceException,MusicQueryException;
public ResultSet get(PreparedQueryObject queryObject) throws MusicServiceException;
public ResultSet atomicGet(String keyspaceName, String tableName, String primaryKey,
PreparedQueryObject queryObject) throws MusicServiceException, MusicLockingException, MusicQueryException;
public ReturnType atomicPutWithDeleteLock(String keyspaceName, String tableName, String primaryKey,
PreparedQueryObject queryObject, Condition conditionInfo) throws MusicLockingException;
public ResultSet atomicGetWithDeleteLock(String keyspaceName, String tableName, String primaryKey,
PreparedQueryObject queryObject) throws MusicServiceException, MusicLockingException;
public ReturnType atomicPut(String keyspaceName, String tableName, String primaryKey,
PreparedQueryObject queryObject, Condition conditionInfo)
throws MusicLockingException, MusicQueryException, MusicServiceException;
public ResultSet criticalGet(String keyspaceName, String tableName, String primaryKey,
PreparedQueryObject queryObject, String lockId) throws MusicServiceException;
// Core Music Locking Service Methods
/**
* Create a lock ref in the music lock store.
* Default is write as this is the safest semantically
*
* @param fullyQualifiedKey the key to create a lock on
* @see {@link #creatLockReference(String, LockType)}
*/
public String createLockReference(String fullyQualifiedKey) throws MusicLockingException; // lock name
/**
* Create a lock ref in the music lock store
* @param fullyQualifiedKey the key to create a lock on
* @param locktype the type of lock create, see {@link LockType}
*/
public String createLockReference(String fullyQualifiedKey, LockType locktype) throws MusicLockingException;
public ReturnType acquireLockWithLease(String key, String lockReference, long leasePeriod)
throws MusicLockingException, MusicQueryException, MusicServiceException; // key,lock id,time
public ReturnType acquireLock(String key, String lockReference)
throws MusicLockingException, MusicQueryException, MusicServiceException; // key,lock id
public ResultType createTable(String keyspace, String table, PreparedQueryObject tableQueryObject,
String consistency) throws MusicServiceException;
public ResultSet quorumGet(PreparedQueryObject query);
/**
* Gets top of queue for fullyQualifiedKey
* @param fullyQualifiedKey
* @return
*/
public String whoseTurnIsIt(String fullyQualifiedKey);// lock name
/**
* Gets the current lockholder(s) for lockName
* @param lockName
* @return
*/
public List<String> getCurrentLockHolders(String fullyQualifiedKey);
public void destroyLockRef(String lockId) throws MusicLockingException;
//public MusicLockState destroyLockRef(String fullyQualifiedKey, String lockReference); // lock name, lock id
//public MusicLockState voluntaryReleaseLock(String fullyQualifiedKey, String lockReference)
// throws MusicLockingException;// lock name,lock id
public void deleteLock(String lockName) throws MusicLockingException;
//public MusicLockState forciblyReleaseLock(String fullyQualifiedKey, String lockReference) throws MusicLockingException, MusicServiceException, MusicQueryException;
public List<String> getLockQueue(String fullyQualifiedKey)
throws MusicServiceException, MusicQueryException, MusicLockingException;
public long getLockQueueSize(String fullyQualifiedKey)
throws MusicServiceException, MusicQueryException, MusicLockingException;
public Map<String, Object> validateLock(String lockName);
public MusicLockState releaseLock(String lockId, boolean voluntaryRelease) throws MusicLockingException;
}
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