| /* |
| * 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.phoenix.parse; |
| |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.List; |
| import java.util.Map; |
| |
| import org.apache.hadoop.hbase.util.Pair; |
| import org.apache.phoenix.schema.SortOrder; |
| |
| import com.google.common.collect.ImmutableList; |
| import com.google.common.collect.Maps; |
| |
| public class PrimaryKeyConstraint extends NamedNode { |
| public static final PrimaryKeyConstraint EMPTY = new PrimaryKeyConstraint(null, Collections.<ColumnDefInPkConstraint>emptyList()); |
| |
| private final List<Pair<ColumnName, SortOrder>> columns; |
| private final Map<ColumnName, Pair<ColumnName, SortOrder>> columnNameToSortOrder; |
| private final Map<ColumnName, Pair<ColumnName, Boolean>> columnNameToRowTimestamp; |
| private final int numColumnsWithRowTimestamp; |
| |
| PrimaryKeyConstraint(String name, List<ColumnDefInPkConstraint> columnDefs) { |
| super(name); |
| if (columnDefs == null) { |
| this.columns = Collections.<Pair<ColumnName, SortOrder>>emptyList(); |
| this.columnNameToSortOrder = Collections.<ColumnName, Pair<ColumnName, SortOrder>>emptyMap(); |
| this.columnNameToRowTimestamp = Collections.<ColumnName, Pair<ColumnName, Boolean>>emptyMap(); |
| numColumnsWithRowTimestamp = 0; |
| } else { |
| int numRowTimestampCols = 0; |
| List<Pair<ColumnName, SortOrder>> l = new ArrayList<>(columnDefs.size()); |
| this.columnNameToSortOrder = Maps.newHashMapWithExpectedSize(columnDefs.size()); |
| this.columnNameToRowTimestamp = Maps.newHashMapWithExpectedSize(columnDefs.size()); |
| for (ColumnDefInPkConstraint colDef : columnDefs) { |
| Pair<ColumnName, SortOrder> p = Pair.newPair(colDef.getColumnName(), colDef.getSortOrder()); |
| l.add(p); |
| this.columnNameToSortOrder.put(colDef.getColumnName(), p); |
| this.columnNameToRowTimestamp.put(colDef.getColumnName(), Pair.newPair(colDef.getColumnName(), colDef.isRowTimestamp())); |
| if (colDef.isRowTimestamp()) { |
| numRowTimestampCols++; |
| } |
| } |
| this.numColumnsWithRowTimestamp = numRowTimestampCols; |
| this.columns = ImmutableList.copyOf(l); |
| } |
| } |
| |
| public List<Pair<ColumnName, SortOrder>> getColumnNames() { |
| return columns; |
| } |
| |
| public Pair<ColumnName, SortOrder> getColumnWithSortOrder(ColumnName columnName) { |
| return columnNameToSortOrder.get(columnName); |
| } |
| |
| public boolean isColumnRowTimestamp(ColumnName columnName) { |
| return columnNameToRowTimestamp.get(columnName) != null && columnNameToRowTimestamp.get(columnName).getSecond() == Boolean.TRUE; |
| } |
| |
| public boolean contains(ColumnName columnName) { |
| return columnNameToSortOrder.containsKey(columnName); |
| } |
| |
| public int getNumColumnsWithRowTimestamp() { |
| return numColumnsWithRowTimestamp; |
| } |
| |
| @Override |
| public int hashCode() { |
| return super.hashCode(); |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| return super.equals(obj); |
| } |
| |
| } |