/**
* Copyright 2010 CosmoCode GmbH
*
* 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 de.cosmocode.palava.ipc;
import com.google.common.base.Preconditions;
import com.google.inject.Inject;
import com.google.inject.Provider;
import de.cosmocode.palava.core.inject.Providers;
import de.cosmocode.palava.scope.AbstractScope;
import de.cosmocode.palava.scope.ScopeContext;
/**
* Default {@link IpcConnectionScope} implementation.
*
* @author Willi Schoenborn
* @author Tobias Sarnowski
*/
final class DefaultIpcConnectionScope extends AbstractScope implements IpcConnectionScope {
private Provider<IpcCall> currentCall = Providers.nullProvider();
@Inject
void setCurrentCall(@Current Provider<IpcCall> currentCall) {
this.currentCall = Preconditions.checkNotNull(currentCall, "CurrentCall");
}
@Override
public boolean isActive() {
return currentCall.get() != null;
}
private IpcConnection getConnection(IpcCall call) {
return call == null ? null : call.getConnection();
}
@Override
public ScopeContext get() {
return getConnection(currentCall.get());
}
}