/**
* 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.blur.shell;
import java.io.PrintWriter;
import jline.Terminal;
import jline.console.ConsoleReader;
import org.apache.blur.shell.PagingPrintWriter.FinishedException;
import org.apache.blur.thirdparty.thrift_0_9_0.TException;
import org.apache.blur.thrift.generated.Blur;
import org.apache.blur.thrift.generated.BlurException;
import org.apache.blur.thrift.generated.BlurQuery;
import org.apache.blur.thrift.generated.BlurResult;
import org.apache.blur.thrift.generated.BlurResults;
import org.apache.blur.thrift.generated.FetchResult;
import org.apache.blur.thrift.generated.FetchRowResult;
import org.apache.blur.thrift.generated.HighlightOptions;
import org.apache.blur.thrift.generated.Row;
import org.apache.blur.thrift.generated.Query;
public class QueryCommand extends Command implements TableFirstArgCommand {
@Override
public void doit(PrintWriter outPw, Blur.Iface client, String[] args) throws CommandException, TException,
BlurException {
if (args.length < 3) {
throw new CommandException("Invalid args: " + help());
}
PagingPrintWriter out = new PagingPrintWriter(outPw);
try {
doItInternal(client, args, out);
} catch (FinishedException e) {
if (Main.debug) {
e.printStackTrace();
}
}
}
private void doItInternal(Blur.Iface client, String[] args, PagingPrintWriter out) throws FinishedException,
BlurException, TException {
String tablename = args[1];
String queryStr = "";
for (int i = 2; i < args.length; i++) {
queryStr += args[i] + " ";
}
BlurQuery blurQuery = new BlurQuery();
Query query = new Query();
query.setQuery(queryStr);
blurQuery.setQuery(query);
blurQuery.setSelector(Main.selector);
blurQuery.setCacheResult(false);
blurQuery.setUseCacheIfPresent(false);
if (Main.highlight) {
blurQuery.getSelector().setHighlightOptions(new HighlightOptions());
}
if (Main.debug) {
out.println(blurQuery);
}
int maxWidth = 100;
ConsoleReader reader = getConsoleReader();
if (reader != null) {
Terminal terminal = reader.getTerminal();
maxWidth = terminal.getWidth() - 15;
out.setLineLimit(terminal.getHeight() - 2);
}
long s = System.nanoTime();
BlurResults blurResults = client.query(tablename, blurQuery);
long e = System.nanoTime();
long timeInNanos = e - s;
printSummary(out, blurResults, maxWidth, timeInNanos);
lineBreak(out, maxWidth);
int hit = 0;
for (BlurResult result : blurResults.getResults()) {
double score = result.getScore();
out.println(" hit : " + hit);
out.println(" score : " + score);
if (Main.debug) {
String locationId = result.getLocationId();
out.println("locationId : " + locationId);
}
FetchResult fetchResult = result.getFetchResult();
if (Main.debug) {
out.println("deleted : " + fetchResult.isDeleted());
out.println("exists : " + fetchResult.isExists());
out.println("table : " + fetchResult.getTable());
}
FetchRowResult rowResult = fetchResult.getRowResult();
if (rowResult != null) {
Row row = rowResult.getRow();
if (row != null) {
GetRowCommand.format(out, row, maxWidth);
}
}
lineBreak(out, maxWidth);
hit++;
}
printSummary(out, blurResults, maxWidth, timeInNanos);
}
private void lineBreak(PagingPrintWriter out, int maxWidth) throws FinishedException {
for (int i = 0; i < maxWidth; i++) {
out.print('-');
}
out.println();
}
private void printSummary(PagingPrintWriter out, BlurResults blurResults, int maxWidth, long timeInNanos) throws FinishedException {
long totalResults = blurResults.getTotalResults();
out.println(" - Results Summary -");
out.println(" total : " + totalResults);
out.println(" time : " + (timeInNanos / 1000000.0) + " ms");
if (Main.debug) {
out.println("shardinfo: " + blurResults.getShardInfo());
}
}
@Override
public String description() {
return "Query the named table.";
}
@Override
public String usage() {
return "<tablename> <query>";
}
@Override
public String name() {
return "query";
}
}