forked from community/device-mgt-core
Added Device-Cache for caching device objects which resolves harshanl/product-iots#1005
Harshan Liyanage
8 years ago
parent
951cd7b001
commit
43ba1e1b43
@ -0,0 +1,81 @@
|
||||
/*
|
||||
* Copyright (c) 2017, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
|
||||
*
|
||||
* WSO2 Inc. licenses this file to you 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.
|
||||
*/
|
||||
|
||||
package org.wso2.carbon.device.mgt.core.cache;
|
||||
|
||||
import java.util.Objects;
|
||||
|
||||
/**
|
||||
* This represents a Key object used in DeviceCache.
|
||||
*/
|
||||
public class DeviceCacheKey {
|
||||
|
||||
private String deviceId;
|
||||
private String deviceType;
|
||||
private int tenantId;
|
||||
private volatile int hashCode;
|
||||
|
||||
public String getDeviceId() {
|
||||
return deviceId;
|
||||
}
|
||||
|
||||
public void setDeviceId(String deviceId) {
|
||||
this.deviceId = deviceId;
|
||||
}
|
||||
|
||||
public String getDeviceType() {
|
||||
return deviceType;
|
||||
}
|
||||
|
||||
public void setDeviceType(String deviceType) {
|
||||
this.deviceType = deviceType;
|
||||
}
|
||||
|
||||
public int getTenantId() {
|
||||
return tenantId;
|
||||
}
|
||||
|
||||
public void setTenantId(int tenantId) {
|
||||
this.tenantId = tenantId;
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean equals(Object obj) {
|
||||
if (obj == null) {
|
||||
return false;
|
||||
}
|
||||
if (!DeviceCacheKey.class.isAssignableFrom(obj.getClass())) {
|
||||
return false;
|
||||
}
|
||||
final DeviceCacheKey other = (DeviceCacheKey) obj;
|
||||
String thisId = this.deviceId + "-" + this.deviceType + "_" + this.tenantId;
|
||||
String otherId = other.deviceId + "-" + other.deviceType + "_" + other.tenantId;
|
||||
if (!thisId.equals(otherId)) {
|
||||
return false;
|
||||
}
|
||||
return true;
|
||||
}
|
||||
|
||||
@Override
|
||||
public int hashCode() {
|
||||
if (hashCode == 0) {
|
||||
hashCode = Objects.hash(deviceId, deviceType, tenantId);
|
||||
}
|
||||
return hashCode;
|
||||
}
|
||||
}
|
||||
@ -0,0 +1,37 @@
|
||||
/*
|
||||
* Copyright (c) 2017, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
|
||||
*
|
||||
* WSO2 Inc. licenses this file to you 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.
|
||||
*/
|
||||
|
||||
package org.wso2.carbon.device.mgt.core.cache;
|
||||
|
||||
import org.wso2.carbon.device.mgt.common.DeviceIdentifier;
|
||||
import org.wso2.carbon.device.mgt.common.Device;
|
||||
|
||||
import java.util.List;
|
||||
|
||||
/**
|
||||
* This defines the contract to be implemented by DeviceCacheManager which holds the necessary functionalities to
|
||||
* manage a cache of Device objects.
|
||||
*/
|
||||
public interface DeviceCacheManager {
|
||||
|
||||
void addDeviceToCache(DeviceIdentifier deviceIdentifier, Device device, int tenantId);
|
||||
void removeDeviceFromCache(DeviceIdentifier identifier, int tenantId);
|
||||
void removeDevicesFromCache(List<DeviceIdentifier> deviceList, int tenantId);
|
||||
void updateDeviceInCache(DeviceIdentifier deviceIdentifier, Device device, int tenantId);
|
||||
Device getDeviceFromCache(DeviceIdentifier deviceIdentifier, int tenantId);
|
||||
}
|
||||
@ -0,0 +1,109 @@
|
||||
/*
|
||||
* Copyright (c) 2017, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
|
||||
*
|
||||
* WSO2 Inc. licenses this file to you 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.
|
||||
*/
|
||||
|
||||
package org.wso2.carbon.device.mgt.core.cache.impl;
|
||||
|
||||
import org.apache.commons.logging.Log;
|
||||
import org.apache.commons.logging.LogFactory;
|
||||
import org.wso2.carbon.device.mgt.common.Device;
|
||||
import org.wso2.carbon.device.mgt.common.DeviceIdentifier;
|
||||
import org.wso2.carbon.device.mgt.core.cache.DeviceCacheKey;
|
||||
import org.wso2.carbon.device.mgt.core.cache.DeviceCacheManager;
|
||||
import org.wso2.carbon.device.mgt.core.util.DeviceManagerUtil;
|
||||
|
||||
import javax.cache.Cache;
|
||||
import java.util.List;
|
||||
|
||||
/**
|
||||
* Implementation of DeviceCacheManager.
|
||||
*/
|
||||
public class DeviceCacheManagerImpl implements DeviceCacheManager {
|
||||
|
||||
private static final Log log = LogFactory.getLog(DeviceCacheManagerImpl.class);
|
||||
|
||||
private static DeviceCacheManagerImpl deviceCacheManager;
|
||||
|
||||
private DeviceCacheManagerImpl() {
|
||||
}
|
||||
|
||||
public static DeviceCacheManagerImpl getInstance() {
|
||||
if (deviceCacheManager == null) {
|
||||
synchronized (DeviceCacheManagerImpl.class) {
|
||||
if (deviceCacheManager == null) {
|
||||
deviceCacheManager = new DeviceCacheManagerImpl();
|
||||
}
|
||||
}
|
||||
}
|
||||
return deviceCacheManager;
|
||||
}
|
||||
|
||||
@Override
|
||||
public void addDeviceToCache(DeviceIdentifier deviceIdentifier, Device device, int tenantId) {
|
||||
Cache<DeviceCacheKey, Device> lCache = DeviceManagerUtil.getDeviceCache();
|
||||
DeviceCacheKey cacheKey = getCacheKey(deviceIdentifier, tenantId);
|
||||
if (lCache.containsKey(cacheKey)) {
|
||||
this.updateDeviceInCache(deviceIdentifier, device, tenantId);
|
||||
} else {
|
||||
lCache.put(cacheKey, device);
|
||||
}
|
||||
}
|
||||
|
||||
@Override
|
||||
public void removeDeviceFromCache(DeviceIdentifier deviceIdentifier, int tenantId) {
|
||||
Cache<DeviceCacheKey, Device> lCache = DeviceManagerUtil.getDeviceCache();
|
||||
DeviceCacheKey cacheKey = getCacheKey(deviceIdentifier, tenantId);
|
||||
if (lCache.containsKey(cacheKey)) {
|
||||
lCache.remove(cacheKey);
|
||||
}
|
||||
}
|
||||
|
||||
@Override
|
||||
public void removeDevicesFromCache(List<DeviceIdentifier> deviceList, int tenantId) {
|
||||
Cache<DeviceCacheKey, Device> lCache = DeviceManagerUtil.getDeviceCache();
|
||||
for (DeviceIdentifier deviceIdentifier : deviceList) {
|
||||
DeviceCacheKey cacheKey = getCacheKey(deviceIdentifier, tenantId);
|
||||
if (lCache.containsKey(cacheKey)) {
|
||||
lCache.remove(cacheKey);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
@Override
|
||||
public void updateDeviceInCache(DeviceIdentifier deviceIdentifier, Device device, int tenantId) {
|
||||
Cache<DeviceCacheKey, Device> lCache = DeviceManagerUtil.getDeviceCache();
|
||||
DeviceCacheKey cacheKey = getCacheKey(deviceIdentifier, tenantId);
|
||||
if (lCache.containsKey(cacheKey)) {
|
||||
lCache.replace(cacheKey, device);
|
||||
}
|
||||
}
|
||||
|
||||
@Override
|
||||
public Device getDeviceFromCache(DeviceIdentifier deviceIdentifier, int tenantId) {
|
||||
Cache<DeviceCacheKey, Device> lCache = DeviceManagerUtil.getDeviceCache();
|
||||
return lCache.get(getCacheKey(deviceIdentifier, tenantId));
|
||||
}
|
||||
|
||||
|
||||
private DeviceCacheKey getCacheKey(DeviceIdentifier deviceIdentifier, int tenantId) {
|
||||
DeviceCacheKey deviceCacheKey = new DeviceCacheKey();
|
||||
deviceCacheKey.setDeviceId(deviceIdentifier.getId());
|
||||
deviceCacheKey.setDeviceType(deviceIdentifier.getType());
|
||||
deviceCacheKey.setTenantId(tenantId);
|
||||
return deviceCacheKey;
|
||||
}
|
||||
}
|
||||
@ -0,0 +1,47 @@
|
||||
/*
|
||||
* Copyright (c) 2017, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
|
||||
*
|
||||
* WSO2 Inc. licenses this file to you 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.
|
||||
*/
|
||||
|
||||
package org.wso2.carbon.device.mgt.core.config.cache;
|
||||
|
||||
import javax.xml.bind.annotation.XmlElement;
|
||||
import javax.xml.bind.annotation.XmlRootElement;
|
||||
|
||||
@XmlRootElement(name = "DeviceCacheConfiguration")
|
||||
public class DeviceCacheConfiguration {
|
||||
|
||||
private boolean isEnabled;
|
||||
private int expiryTime;
|
||||
|
||||
@XmlElement(name = "Enable", required = true)
|
||||
public boolean isEnabled() {
|
||||
return isEnabled;
|
||||
}
|
||||
|
||||
public void setEnabled(boolean enabled) {
|
||||
isEnabled = enabled;
|
||||
}
|
||||
|
||||
@XmlElement(name = "ExpiryTime", required = true)
|
||||
public int getExpiryTime() {
|
||||
return expiryTime;
|
||||
}
|
||||
|
||||
public void setExpiryTime(int expiryTime) {
|
||||
this.expiryTime = expiryTime;
|
||||
}
|
||||
}
|
||||
Loading…
Reference in new issue