Java tutorial
/* * Copyright 2014 Cask Data, Inc. * * 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 co.cask.cdap.proto; import com.google.common.primitives.Longs; import com.google.gson.annotations.SerializedName; /** * Information about the query. */ public class QueryInfo implements Comparable<QueryInfo> { private final long timestamp; private final String statement; private final QueryStatus.OpStatus status; @SerializedName("query_handle") private final String queryHandle; @SerializedName("has_results") private final boolean hasResults; @SerializedName("is_active") private final boolean isActive; public QueryInfo(long timestamp, String query, QueryHandle handle, QueryStatus status, boolean isActive) { this.timestamp = timestamp; this.statement = query; this.queryHandle = handle.getHandle(); this.status = status.getStatus(); this.hasResults = status.hasResults(); this.isActive = isActive; } public String getStatement() { return statement; } public QueryStatus.OpStatus getStatus() { return status; } public String getQueryHandle() { return queryHandle; } public boolean isHasResults() { return hasResults; } public boolean isActive() { return isActive; } public long getTimestamp() { return timestamp; } @Override public int compareTo(QueryInfo queryInfo) { // descending. return Longs.compare(queryInfo.getTimestamp(), getTimestamp()); } }