// Copyright 2009 Google Inc. All Rights Reserved.
//
// 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.
package com.google.enterprise.connector.instantiator;
import com.google.enterprise.connector.persist.PersistentStore;
import com.google.enterprise.connector.persist.StoreContext;
import com.google.enterprise.connector.traversal.TraversalStateStore;
class MockTraversalStateStore implements TraversalStateStore {
private final PersistentStore stateStore;
private final StoreContext storeContext;
MockTraversalStateStore(PersistentStore stateStore,
StoreContext storeContext) {
this.stateStore = stateStore;
this.storeContext = storeContext;
}
/**
* Store traversal state.
*
* @param state a String representation of the state to store.
* If null, any previous stored state is discarded.
*/
public void storeTraversalState(String state) {
if (state == null) {
stateStore.removeConnectorState(storeContext);
} else {
stateStore.storeConnectorState(storeContext, state);
}
}
/**
* Return a stored traversal state.
*
* @returns String representation of the stored state, or
* null if no state is stored.
*/
public String getTraversalState() {
return stateStore.getConnectorState(storeContext);
}
}