PARQUET-212: Rename isElementType => isListElementType.

Author: rdblue

parquet-thrift/src/main/java/org/apache/parquet/thrift/ThriftRecordConverter.java

@@ -24,7 +24,6 @@
 import java.util.List;
 import java.util.Map;
 
-import org.apache.hadoop.conf.Configurable;
 import org.apache.hadoop.conf.Configuration;
 import org.apache.thrift.TException;
 import org.apache.thrift.protocol.TField;
@@ -662,7 +661,7 @@ abstract class CollectionConverter extends GroupConverter {
       }
       Type repeatedType = parquetSchema.getType(0);
       valuesType = values.getType().getType();
-      if (ThriftSchemaConverter.isElementType(repeatedType, values)) {
+      if (ThriftSchemaConverter.isListElementType(repeatedType, values)) {
         if (repeatedType.isPrimitive()) {
           PrimitiveCounter counter = new PrimitiveCounter(newConverter(listEvents, repeatedType, values).asPrimitiveConverter());
           child = counter;

parquet-thrift/src/main/java/org/apache/parquet/thrift/ThriftSchemaConverter.java

@@ -100,7 +100,8 @@ private static StructType toStructType(TStructDescriptor struct) {
    * @param thriftElement the expected Schema for list elements
    * @return {@code true} if the repeatedType is the element schema
    */
-  static boolean isElementType(Type repeatedType, ThriftField thriftElement) {
+  static boolean isListElementType(Type repeatedType,
+                                   ThriftField thriftElement) {
     if (repeatedType.isPrimitive() ||
         (repeatedType.asGroupType().getFieldCount() != 1)) {
       // The repeated type must be the element type because it is an invalid