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Apache Geode provides a database-like consistency model, reliable transaction processing and a shared-nothing architecture to maintain very low latency performance with high concurrency processing
/*
* Licensed to the Apache Software Foundation (ASF) under one or more contributor license
* agreements. See the NOTICE file distributed with this work for additional information regarding
* copyright ownership. The ASF 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.apache.geode.admin;
import org.apache.geode.cache.RegionAttributes;
/**
* Administrative interface that represent's the {@link SystemMember}'s view of its
* {@link org.apache.geode.cache.Cache}.
*
* @since GemFire 3.5
* @deprecated as of 7.0 use the management
* package instead
*/
public interface SystemMemberCache {
// attributes
/**
* The name of the cache.
*/
public String getName();
/**
* Value that uniquely identifies an instance of a cache for a given member.
*/
public int getId();
/**
* Indicates if this cache has been closed.
*
* @return true, if this cache is closed; false, otherwise
*/
public boolean isClosed();
/**
* Gets the number of seconds a cache operation will wait to obtain a distributed lock lease.
*/
public int getLockTimeout();
/**
* Sets the number of seconds a cache operation may wait to obtain a distributed lock lease before
* timing out.
*
* @throws AdminException If a problem is encountered while setting the lock timeout
*
* @see org.apache.geode.cache.Cache#setLockTimeout
*/
public void setLockTimeout(int seconds) throws AdminException;
/**
* Gets the length, in seconds, of distributed lock leases obtained by this cache.
*/
public int getLockLease();
/**
* Sets the length, in seconds, of distributed lock leases obtained by this cache.
*
* @throws AdminException If a problem is encountered while setting the lock lease
*
* @see org.apache.geode.cache.Cache#setLockLease
*/
public void setLockLease(int seconds) throws AdminException;
/**
* Gets the number of seconds a cache {@link org.apache.geode.cache.Region#get(Object) get}
* operation can spend searching for a value before it times out. The search includes any time
* spent loading the object. When the search times out it causes the get to fail by throwing an
* exception.
*/
public int getSearchTimeout();
/**
* Sets the number of seconds a cache get operation can spend searching for a value.
*
* @throws AdminException If a problem is encountered while setting the search timeout
*
* @see org.apache.geode.cache.Cache#setSearchTimeout
*/
public void setSearchTimeout(int seconds) throws AdminException;
/**
* Returns number of seconds since this member's cache has been created. Returns -1
* if this member does not have a cache or its cache has been closed.
*/
public int getUpTime();
/**
* Returns the names of all the root regions currently in this cache.
*/
public java.util.Set getRootRegionNames();
// operations
/**
* Returns statistics related to this cache's performance.
*/
public Statistic[] getStatistics();
/**
* Return the existing region (or subregion) with the specified path that already exists in the
* cache. Whether or not the path starts with a forward slash it is interpreted as a full path
* starting at a root.
*
* @param path the path to the region
* @return the Region or null if not found
* @throws IllegalArgumentException if path is null, the empty string, or "/"
*/
public SystemMemberRegion getRegion(String path) throws AdminException;
/**
* Creates a VM root Region in this cache.
*
* @param name The name of the region to create
* @param attrs The attributes of the root region
*
* @throws AdminException If the region cannot be created
*
* @since GemFire 4.0
* @deprecated as of GemFire 5.0, use {@link #createRegion} instead
*/
@Deprecated
public SystemMemberRegion createVMRegion(String name, RegionAttributes attrs)
throws AdminException;
/**
* Creates a root Region in this cache.
*
* @param name The name of the region to create
* @param attrs The attributes of the root region
*
* @throws AdminException If the region cannot be created
*
* @since GemFire 5.0
*/
public SystemMemberRegion createRegion(String name, RegionAttributes attrs) throws AdminException;
/**
* Updates the state of this cache instance. Note that once a cache instance is closed refresh
* will never change the state of that instance.
*/
public void refresh();
/**
* Adds a new, unstarted cache server that will serve the contents of this cache to clients.
*
* @see org.apache.geode.cache.Cache#addCacheServer
*
* @since GemFire 5.7
*/
public SystemMemberCacheServer addCacheServer() throws AdminException;
/**
* Returns the cache servers that run in this member's VM. Note that this list will not be updated
* until {@link #refresh} is called.
*
* @see org.apache.geode.cache.Cache#getCacheServers
*
* @since GemFire 5.7
*/
public SystemMemberCacheServer[] getCacheServers() throws AdminException;
/**
* Returns whether or not this cache acts as a server. This method will always return
* true for the SystemMemberCache obtained from a {@link CacheServer}.
* Note that this value will not be updated until {@link #refresh} is invoked.
*
* @since GemFire 4.0
*/
public boolean isServer() throws AdminException;
}