| /* |
| * 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.cassandra.cql3.restrictions; |
| |
| import java.util.List; |
| import java.util.Set; |
| |
| import org.apache.cassandra.config.ColumnDefinition; |
| import org.apache.cassandra.cql3.QueryOptions; |
| import org.apache.cassandra.cql3.functions.Function; |
| import org.apache.cassandra.db.filter.RowFilter; |
| import org.apache.cassandra.index.SecondaryIndexManager; |
| |
| /** |
| * A <code>RestrictionSet</code> wrapper that can be extended to allow to modify the <code>RestrictionSet</code> |
| * behaviour without breaking its immutability. Sub-classes should be immutables. |
| */ |
| class RestrictionSetWrapper implements Restrictions |
| { |
| /** |
| * The wrapped <code>RestrictionSet</code>. |
| */ |
| protected final RestrictionSet restrictions; |
| |
| public RestrictionSetWrapper(RestrictionSet restrictions) |
| { |
| this.restrictions = restrictions; |
| } |
| |
| public void addRowFilterTo(RowFilter filter, |
| SecondaryIndexManager indexManager, |
| QueryOptions options) |
| { |
| restrictions.addRowFilterTo(filter, indexManager, options); |
| } |
| |
| public List<ColumnDefinition> getColumnDefs() |
| { |
| return restrictions.getColumnDefs(); |
| } |
| |
| public void addFunctionsTo(List<Function> functions) |
| { |
| restrictions.addFunctionsTo(functions); |
| } |
| |
| public boolean isEmpty() |
| { |
| return restrictions.isEmpty(); |
| } |
| |
| public int size() |
| { |
| return restrictions.size(); |
| } |
| |
| public boolean hasSupportingIndex(SecondaryIndexManager indexManager) |
| { |
| return restrictions.hasSupportingIndex(indexManager); |
| } |
| |
| public ColumnDefinition getFirstColumn() |
| { |
| return restrictions.getFirstColumn(); |
| } |
| |
| public ColumnDefinition getLastColumn() |
| { |
| return restrictions.getLastColumn(); |
| } |
| |
| public boolean hasIN() |
| { |
| return restrictions.hasIN(); |
| } |
| |
| public boolean hasContains() |
| { |
| return restrictions.hasContains(); |
| } |
| |
| public boolean hasSlice() |
| { |
| return restrictions.hasSlice(); |
| } |
| |
| public boolean hasOnlyEqualityRestrictions() |
| { |
| return restrictions.hasOnlyEqualityRestrictions(); |
| } |
| |
| public Set<Restriction> getRestrictions(ColumnDefinition columnDef) |
| { |
| return restrictions.getRestrictions(columnDef); |
| } |
| } |