co.cask.cdap.proto.QueryInfo.java Source code

Java tutorial

Introduction

Here is the source code for co.cask.cdap.proto.QueryInfo.java

Source

/*
 * 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());
    }
}