
rapture.repo.db.BackedKeyStore Maven / Gradle / Ivy
/**
* The MIT License (MIT)
*
* Copyright (c) 2011-2016 Incapture Technologies LLC
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
package rapture.repo.db;
import java.util.List;
import java.util.Map;
import rapture.common.RaptureFolderInfo;
import rapture.common.RaptureQueryResult;
import rapture.common.exception.RaptNotSupportedException;
import rapture.index.IndexProducer;
import rapture.index.IndexHandler;
import rapture.repo.AbstractKeyStore;
import rapture.repo.KeyStore;
import rapture.repo.StoreKeyVisitor;
/**
* A backed key store has two stores - a cache for retrieval (and potentially
* storage) and a real store
*
* @author alan
*/
public class BackedKeyStore extends AbstractKeyStore implements KeyStore {
private KeyStore primary;
private KeyStore cache;
public BackedKeyStore(KeyStore primary, KeyStore cache) {
this.primary = primary;
this.cache = cache;
}
@Override
public boolean containsKey(String ref) {
if (cache.containsKey(ref)) {
return true;
}
return primary.containsKey(ref);
}
@Override
public long countKeys() throws RaptNotSupportedException {
return primary.countKeys();
}
@Override
public KeyStore createRelatedKeyStore(String relation) {
return null;
}
@Override
public boolean delete(String key) {
cache.delete(key);
return primary.delete(key);
}
@Override
public String get(String k) {
if (cache.containsKey(k)) {
return cache.get(k);
}
String v = primary.get(k);
if (v != null) {
cache.put(k, v);
}
return v;
}
@Override
public String getStoreId() {
return primary.getStoreId();
}
@Override
public void put(String k, String v) {
cache.put(k, v);
primary.put(k, v);
}
@Override
public RaptureQueryResult runNativeQuery(String repoType, List queryParams) {
return primary.runNativeQuery(repoType, queryParams);
}
@Override
public void setConfig(Map config) {
}
@Override
public void visitKeys(String prefix, StoreKeyVisitor iStoreKeyVisitor) {
primary.visitKeys(prefix, iStoreKeyVisitor);
}
@Override
public void visitKeysFromStart(String startPoint, StoreKeyVisitor iStoreKeyVisitor) {
primary.visitKeysFromStart(startPoint, iStoreKeyVisitor);
}
@Override
public boolean matches(String key, String value) {
return primary.matches(key, value);
}
@Override
public void setInstanceName(String name) {
}
@Override
public List getSubKeys(String prefix) {
return primary.getSubKeys(prefix);
}
@Override
public List removeSubKeys(String folder, Boolean force) {
return primary.removeSubKeys(folder, force);
}
@Override
public void resetFolderHandling() {
primary.resetFolderHandling();
cache.resetFolderHandling();
}
@Override
public List getAllSubKeys(String displayNamePart) {
return primary.getAllSubKeys(displayNamePart);
}
@Override
public IndexHandler createIndexHandler(IndexProducer indexProducer) {
return null;
}
@Override
public Boolean validate() {
return primary.validate();
}
@Override
public long getSize() {
long primarySize = primary.getSize();
long ret = -1;
if (primarySize != -1L) {
ret = primarySize;
}
long secondarySize = cache.getSize();
if (secondarySize != -1L) {
if (ret == -1L) {
ret = secondarySize;
} else {
ret += secondarySize;
}
}
return ret;
}
}
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