remove unused class RecordConstructorResultType

Change-Id: If60aa0672b250b928f33bd27de508c5dad0c63c6
Reviewed-on: https://asterix-gerrit.ics.uci.edu/1089
Reviewed-by: Yingyi Bu <buyingyi@gmail.com>
Sonar-Qube: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
Tested-by: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
Integration-Tests: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
diff --git a/asterixdb/asterix-om/src/main/java/org/apache/asterix/om/typecomputer/impl/RecordConstructorResultType.java b/asterixdb/asterix-om/src/main/java/org/apache/asterix/om/typecomputer/impl/RecordConstructorResultType.java
deleted file mode 100644
index a5d6989..0000000
--- a/asterixdb/asterix-om/src/main/java/org/apache/asterix/om/typecomputer/impl/RecordConstructorResultType.java
+++ /dev/null
@@ -1,71 +0,0 @@
-/*
- * 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.asterix.om.typecomputer.impl;
-
-import java.util.Iterator;
-
-import org.apache.asterix.om.typecomputer.base.IResultTypeComputer;
-import org.apache.asterix.om.typecomputer.base.TypeCastUtils;
-import org.apache.asterix.om.types.ARecordType;
-import org.apache.asterix.om.types.IAType;
-import org.apache.asterix.om.util.ConstantExpressionUtil;
-import org.apache.commons.lang3.mutable.Mutable;
-import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
-import org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression;
-import org.apache.hyracks.algebricks.core.algebra.expressions.AbstractFunctionCallExpression;
-import org.apache.hyracks.algebricks.core.algebra.expressions.IVariableTypeEnvironment;
-import org.apache.hyracks.algebricks.core.algebra.metadata.IMetadataProvider;
-
-public class RecordConstructorResultType implements IResultTypeComputer {
-
-    private boolean isOpen;
-
-    public static final RecordConstructorResultType CLOSED_INSTANCE = new RecordConstructorResultType(false);
-    public static final RecordConstructorResultType OPEN_INSTANCE = new RecordConstructorResultType(true);
-
-    private RecordConstructorResultType(boolean open) {
-        this.isOpen = open;
-    }
-
-    @Override
-    public IAType computeType(ILogicalExpression expression, IVariableTypeEnvironment env,
-            IMetadataProvider<?, ?> metadataProvider) throws AlgebricksException {
-        AbstractFunctionCallExpression f = (AbstractFunctionCallExpression) expression;
-        IAType reqType = TypeCastUtils.getRequiredType(f);
-        if (reqType != null)
-            return reqType;
-        int n = f.getArguments().size() / 2;
-        String[] fieldNames = new String[n];
-        IAType[] fieldTypes = new IAType[n];
-        int i = 0;
-        Iterator<Mutable<ILogicalExpression>> argIter = f.getArguments().iterator();
-        while (argIter.hasNext()) {
-            ILogicalExpression e1 = argIter.next().getValue();
-            fieldNames[i] = ConstantExpressionUtil.getStringConstant(e1);
-            if (fieldNames[i] == null) {
-                throw new AlgebricksException("Expecting a string and found " + e1 + " instead.");
-            }
-            ILogicalExpression e2 = argIter.next().getValue();
-            fieldTypes[i] = (IAType) env.getType(e2);
-            i++;
-        }
-        return new ARecordType(null, fieldNames, fieldTypes, isOpen);
-    }
-}