01: /**
02: * Copyright 2006 Webmedia Group Ltd.
03: *
04: * Licensed under the Apache License, Version 2.0 (the "License");
05: * you may not use this file except in compliance with the License.
06: * You may obtain a copy of the License at
07: *
08: * http://www.apache.org/licenses/LICENSE-2.0
09: *
10: * Unless required by applicable law or agreed to in writing, software
11: * distributed under the License is distributed on an "AS IS" BASIS,
12: * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13: * See the License for the specific language governing permissions and
14: * limitations under the License.
15: **/package org.araneaframework.backend.list.helper.builder.expression;
16:
17: import org.araneaframework.backend.list.SqlExpression;
18: import org.araneaframework.backend.list.helper.builder.ExpressionToSqlExprBuilder;
19: import org.araneaframework.backend.list.memorybased.Expression;
20: import org.araneaframework.backend.list.memorybased.expression.CompositeExpression;
21:
22: public abstract class CompositeExprToSqlExprTranslator implements
23: ExprToSqlExprTranslator {
24:
25: public final SqlExpression translate(Expression expr,
26: ExpressionToSqlExprBuilder builder) {
27: Expression[] children = ((CompositeExpression) expr)
28: .getChildren();
29: SqlExpression[] sqlChildren = new SqlExpression[children.length];
30: for (int i = 0; i < children.length; i++) {
31: sqlChildren[i] = builder.buildSqlExpression(children[i]);
32: }
33: return translateParent(expr, sqlChildren);
34: }
35:
36: protected abstract SqlExpression translateParent(Expression expr,
37: SqlExpression[] sqlChildren);
38: }
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