/*
* 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.nifi.controller.queue;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
public class ListFlowFileRequest implements ListFlowFileStatus {
private final String requestId;
private final int maxResults;
private final QueueSize queueSize;
private final long submissionTime = System.currentTimeMillis();
private final List<FlowFileSummary> flowFileSummaries = new ArrayList<>();
private ListFlowFileState state = ListFlowFileState.WAITING_FOR_LOCK;
private String failureReason;
private long lastUpdated = System.currentTimeMillis();
public ListFlowFileRequest(final String requestId, final int maxResults, final QueueSize queueSize) {
this.requestId = requestId;
this.maxResults = maxResults;
this.queueSize = queueSize;
}
@Override
public String getRequestIdentifier() {
return requestId;
}
@Override
public long getRequestSubmissionTime() {
return submissionTime;
}
@Override
public synchronized long getLastUpdated() {
return lastUpdated;
}
@Override
public synchronized ListFlowFileState getState() {
return state;
}
@Override
public synchronized String getFailureReason() {
return failureReason;
}
public synchronized void setState(final ListFlowFileState state) {
this.state = state;
this.lastUpdated = System.currentTimeMillis();
}
public synchronized void setFailure(final String explanation) {
this.state = ListFlowFileState.FAILURE;
this.failureReason = explanation;
this.lastUpdated = System.currentTimeMillis();
}
@Override
public synchronized List<FlowFileSummary> getFlowFileSummaries() {
return Collections.unmodifiableList(flowFileSummaries);
}
public synchronized void setFlowFileSummaries(final List<FlowFileSummary> summaries) {
this.flowFileSummaries.clear();
this.flowFileSummaries.addAll(summaries);
lastUpdated = System.currentTimeMillis();
}
@Override
public QueueSize getQueueSize() {
return queueSize;
}
public synchronized boolean cancel() {
if (this.state == ListFlowFileState.COMPLETE || this.state == ListFlowFileState.CANCELED) {
return false;
}
this.state = ListFlowFileState.CANCELED;
return true;
}
@Override
public synchronized int getCompletionPercentage() {
return state == ListFlowFileState.COMPLETE ? 100 : 0;
}
@Override
public int getMaxResults() {
return maxResults;
}
}