Package org.apache.blur.shell

Source Code of org.apache.blur.shell.SchemaTableCommand

/**
* 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 java.util.Map;
import java.util.Map.Entry;
import java.util.Set;
import java.util.TreeMap;
import java.util.TreeSet;

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.ColumnDefinition;
import org.apache.blur.thrift.generated.Schema;

public class SchemaTableCommand extends Command implements TableFirstArgCommand {
  @Override
  public void doit(PrintWriter out, Blur.Iface client, String[] args) throws CommandException, TException,
      BlurException {
    if (args.length != 2) {
      throw new CommandException("Invalid args: " + help());
    }
    String tablename = args[1];

    Schema schema = client.schema(tablename);
    out.println(schema);
    out.println(schema.getTable());
    Map<String, Map<String, ColumnDefinition>> families = schema.getFamilies();
    Set<String> familyNames = new TreeSet<String>(families.keySet());
    for (String cf : familyNames) {
      out.println("family : " + cf);
      Map<String, ColumnDefinition> columns = families.get(cf);
      Set<String> columnNames = new TreeSet<String>(columns.keySet());
      for (String c : columnNames) {
        ColumnDefinition columnDefinition = columns.get(c);
        out.println("\tcolumn   : " + columnDefinition.getColumnName());
        String fieldType = columnDefinition.getFieldType();
        Map<String, String> properties = columnDefinition.getProperties();
        String subColumnName = columnDefinition.getSubColumnName();
        if (subColumnName != null) {
          out.println"\t\t\tsubName   : " + subColumnName);
          out.println"\t\t\tfieldType : " + fieldType);
          Map<String, String> props = new TreeMap<String, String>(properties);
          for (Entry<String, String> e : props.entrySet()) {
            out.println("\t\t\tprop      : " + e);
          }
        } else {
          out.println"\t\tfieldType : " + fieldType);
          Map<String, String> props = new TreeMap<String, String>(properties);
          for (Entry<String, String> e : props.entrySet()) {
            out.println("\t\tprop      : " + e);
          }
        }
      }
    }
  }

  @Override
  public String description() {
    return "Schema of the named table.";
  }

  @Override
  public String usage() {
    return "<tablename>";
  }

  @Override
  public String name() {
    return "schema";
  }
}
TOP

Related Classes of org.apache.blur.shell.SchemaTableCommand

TOP
Copyright © 2018 www.massapi.com. All rights reserved.
All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.