test/org/apache/pig/test/utils/UDFContextTestLoader.java

/*
 * 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.pig.test.utils;

import java.io.IOException;
import java.util.Properties;

import org.apache.pig.builtin.PigStorage;
import org.apache.pig.data.Tuple;
import org.apache.pig.impl.io.BufferedPositionedInputStream;
import org.apache.pig.impl.logicalLayer.schema.Schema;
import org.apache.pig.impl.util.UDFContext;

public class UDFContextTestLoader extends PigStorage {

    private String[] vals = new String[1];
        
    public UDFContextTestLoader(String v1) {
        vals[0] = v1;
        Properties p = UDFContext.getUDFContext().getUDFProperties(this.getClass(), vals);
        p.setProperty("key1", vals[0]);
    }
    
    @Override
    public Tuple getNext() throws IOException {
        Tuple t = super.getNext();
        if (t != null) {
            if (UDFContext.getUDFContext().getJobConf() == null) {
                t.append("JobConf is null!");
            } else {
                Properties p = UDFContext.getUDFContext().getUDFProperties(this.getClass(), vals);
        		t.append(p.getProperty("key1"));
            }
        }
        return t;
    }
}