org.graylog2.plugin.IOState Maven / Gradle / Ivy
/**
* This file is part of Graylog.
*
* Graylog is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Graylog is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Graylog. If not, see .
*/
package org.graylog2.plugin;
import com.fasterxml.jackson.annotation.JsonAutoDetect;
import com.google.common.eventbus.EventBus;
import com.google.inject.assistedinject.Assisted;
import com.google.inject.assistedinject.AssistedInject;
import org.graylog2.plugin.events.inputs.IOStateChangedEvent;
import org.joda.time.DateTime;
import java.util.Objects;
@JsonAutoDetect
public class IOState {
public interface Factory {
IOState create(T stoppable);
IOState create(T stoppable, Type state);
}
public enum Type {
CREATED,
INITIALIZED,
INVALID_CONFIGURATION,
STARTING,
RUNNING,
FAILED,
STOPPING,
STOPPED,
TERMINATED
}
protected T stoppable;
private EventBus eventbus;
protected Type state;
protected DateTime startedAt;
protected String detailedMessage;
@AssistedInject
public IOState(EventBus eventbus, @Assisted T stoppable) {
this(eventbus, stoppable, Type.CREATED);
}
@AssistedInject
public IOState(EventBus eventbus, @Assisted T stoppable, @Assisted Type state) {
this.eventbus = eventbus;
this.state = state;
this.stoppable = stoppable;
this.startedAt = Tools.nowUTC();
}
public T getStoppable() {
return stoppable;
}
public void setStoppable(T stoppable) {
this.stoppable = stoppable;
}
public Type getState() {
return state;
}
public void setState(Type state) {
final IOStateChangedEvent evt = IOStateChangedEvent.create(this.state, state, this);
this.state = state;
this.setDetailedMessage(null);
this.eventbus.post(evt);
}
public DateTime getStartedAt() {
return startedAt;
}
public void setStartedAt(DateTime startedAt) {
this.startedAt = startedAt;
}
public String getDetailedMessage() {
return detailedMessage;
}
public void setDetailedMessage(String detailedMessage) {
this.detailedMessage = detailedMessage;
}
@Override
public String toString() {
return "InputState{" +
"stoppable=" + stoppable +
", state=" + state +
", startedAt=" + startedAt +
", detailedMessage='" + detailedMessage + '\'' +
'}';
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
IOState that = (IOState) o;
return Objects.equals(this.stoppable, that.stoppable);
}
@Override
public int hashCode() {
return Objects.hash(this.stoppable);
}
}