/**
* 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.hadoop.hive.ql.plan;
import java.io.Serializable;
import java.util.Enumeration;
import java.util.Properties;
import org.apache.hadoop.mapred.InputFormat;
import org.apache.hadoop.hive.ql.io.HiveFileFormatUtils;
import org.apache.hadoop.hive.ql.io.HiveOutputFormat;
import org.apache.hadoop.hive.serde2.Deserializer;
public class tableDesc implements Serializable, Cloneable {
private static final long serialVersionUID = 1L;
private Class<? extends Deserializer> deserializerClass;
private Class<? extends InputFormat> inputFileFormatClass;
private Class<? extends HiveOutputFormat> outputFileFormatClass;
private java.util.Properties properties;
private String serdeClassName;
public tableDesc() { }
public tableDesc(
final Class<? extends Deserializer> serdeClass,
final Class<? extends InputFormat> inputFileFormatClass,
final Class<?> class1,
final java.util.Properties properties) {
this.deserializerClass = serdeClass;
this.inputFileFormatClass = inputFileFormatClass;
this.outputFileFormatClass = HiveFileFormatUtils.getOutputFormatSubstitute(class1);
this.properties = properties;
this.serdeClassName = properties.getProperty(org.apache.hadoop.hive.serde.Constants.SERIALIZATION_LIB);;
}
public Class<? extends Deserializer> getDeserializerClass() {
return this.deserializerClass;
}
public void setDeserializerClass(final Class<? extends Deserializer> serdeClass) {
this.deserializerClass = serdeClass;
}
public Class<? extends InputFormat> getInputFileFormatClass() {
return this.inputFileFormatClass;
}
/**
* Return a deserializer object corresponding to the tableDesc
*/
public Deserializer getDeserializer() throws Exception {
Deserializer de = this.deserializerClass.newInstance();
de.initialize(null, properties);
return de;
}
public void setInputFileFormatClass(final Class<? extends InputFormat> inputFileFormatClass) {
this.inputFileFormatClass=inputFileFormatClass;
}
public Class<? extends HiveOutputFormat> getOutputFileFormatClass() {
return this.outputFileFormatClass;
}
public void setOutputFileFormatClass(final Class<?> outputFileFormatClass) {
this.outputFileFormatClass = HiveFileFormatUtils.getOutputFormatSubstitute(outputFileFormatClass);
}
@explain(displayName="properties", normalExplain=false)
public java.util.Properties getProperties() {
return this.properties;
}
public void setProperties(final java.util.Properties properties) {
this.properties = properties;
}
/**
* @return the serdeClassName
*/
@explain(displayName="serde")
public String getSerdeClassName() {
return this.serdeClassName;
}
/**
* @param serdeClassName the serde Class Name to set
*/
public void setSerdeClassName(String serdeClassName) {
this.serdeClassName = serdeClassName;
}
@explain(displayName="name")
public String getTableName() {
return this.properties.getProperty(org.apache.hadoop.hive.metastore.api.Constants.META_TABLE_NAME);
}
@explain(displayName="input format")
public String getInputFileFormatClassName() {
return getInputFileFormatClass().getName();
}
@explain(displayName="output format")
public String getOutputFileFormatClassName() {
return getOutputFileFormatClass().getName();
}
public Object clone() {
tableDesc ret = new tableDesc();
ret.setSerdeClassName(serdeClassName);
ret.setDeserializerClass(deserializerClass);
ret.setInputFileFormatClass(inputFileFormatClass);
ret.setOutputFileFormatClass(outputFileFormatClass);
Properties newProp = new Properties();
Enumeration<Object> keysProp = properties.keys();
while (keysProp.hasMoreElements()) {
Object key = keysProp.nextElement();
newProp.put(key, properties.get(key));
}
ret.setProperties(newProp);
return ret;
}
}