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1   /*
2    * Copyright (c) 2011.  The Apache Software Foundation
3    *
4    * Licensed to the Apache Software Foundation (ASF) under one
5    * or more contributor license agreements.  See the NOTICE file
6    * distributed with this work for additional information
7    * regarding copyright ownership.  The ASF licenses this file
8    * to you under the Apache License, Version 2.0 (the
9    * "License"); you may not use this file except in compliance
10   * with the License.  You may obtain a copy of the License at
11   *
12   *     http://www.apache.org/licenses/LICENSE-2.0
13   *
14   * Unless required by applicable law or agreed to in writing, software
15   * distributed under the License is distributed on an "AS IS" BASIS,
16   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
17   * See the License for the specific language governing permissions and
18   * limitations under the License.
19   */
20  
21  package org.apache.hadoop.hbase.hbql.statement.args;
22  
23  import org.apache.expreval.expr.node.GenericValue;
24  import org.apache.expreval.expr.var.NamedParameter;
25  import org.apache.hadoop.hbase.hbql.client.HBqlException;
26  import org.apache.hadoop.hbase.hbql.impl.HConnectionImpl;
27  import org.apache.hadoop.hbase.hbql.statement.InsertStatement;
28  
29  import java.util.List;
30  
31  public abstract class InsertValueSource {
32  
33      private InsertStatement insertStatement = null;
34  
35      public void setInsertStatement(final InsertStatement insertStatement) {
36          this.insertStatement = insertStatement;
37      }
38  
39      protected InsertStatement getInsertStatement() {
40          return this.insertStatement;
41      }
42  
43      public abstract List<NamedParameter> getParameterList();
44  
45      public abstract int setInsertSourceParameter(String name, Object val) throws HBqlException;
46  
47      public abstract void validate() throws HBqlException;
48  
49      public abstract void reset();
50  
51      public abstract String asString();
52  
53      public abstract Object getValue(final HConnectionImpl conn, int i) throws HBqlException;
54  
55      public abstract boolean isDefaultValue(int i) throws HBqlException;
56  
57      public abstract boolean hasValues();
58  
59      public abstract void execute() throws HBqlException;
60  
61      public abstract List<Class<? extends GenericValue>> getValuesTypeList() throws HBqlException;
62  }