| /* |
| * 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.uima.cas.impl; |
| |
| import java.util.HashSet; |
| import java.util.Set; |
| |
| import org.apache.uima.cas.CASRuntimeException; |
| import org.apache.uima.cas.FSTypeConstraint; |
| import org.apache.uima.cas.FeatureStructure; |
| import org.apache.uima.cas.Type; |
| import org.apache.uima.cas.TypeSystem; |
| import org.apache.uima.internal.util.SortedIntSet; |
| |
| /** |
| * An implementation of the type constraint interface. |
| */ |
| class FSTypeConstraintImpl implements FSTypeConstraint { |
| |
| private static final long serialVersionUID = 7557683109761796280L; |
| |
| private Set<String> nameSet = new HashSet<String>(); |
| |
| private transient SortedIntSet typeSet = new SortedIntSet(); |
| |
| private transient TypeSystem ts; |
| |
| public boolean match(FeatureStructure fs) { |
| compile(((FeatureStructureImpl) fs).getCAS().getTypeSystem()); |
| final FeatureStructureImpl fsi = (FeatureStructureImpl) fs; |
| final int typeCode = fsi.getCASImpl().getHeapValue(fsi.getAddress()); |
| TypeSystemImpl tsi = (TypeSystemImpl) this.ts; |
| for (int i = 0; i < typeSet.size(); i++) { |
| if (tsi.subsumes(typeSet.get(i), typeCode)) { |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| private final void compile(TypeSystem ts1) { |
| if (ts == ts1) { |
| return; |
| } |
| ts = ts1; |
| TypeSystemImpl tsi = (TypeSystemImpl) ts1; |
| int typeCode; |
| for (String typeName : nameSet) { |
| typeCode = tsi.ll_getCodeForTypeName(typeName); |
| if (typeCode < tsi.getSmallestType()) { |
| CASRuntimeException e = new CASRuntimeException( |
| CASRuntimeException.UNKNOWN_CONSTRAINT_TYPE, new String[] { typeName }); |
| throw e; |
| } |
| typeSet.add(typeCode); |
| } |
| } |
| |
| public void add(Type type) { |
| this.ts = null; // This will force a recompile. |
| nameSet.add(type.getName()); |
| } |
| |
| public void add(String type) { |
| ts = null; // Will force recompile. |
| nameSet.add(type); |
| } |
| |
| public String toString() { |
| StringBuilder buf = new StringBuilder(); |
| buf.append("isa ( "); |
| boolean start = true; |
| for (String name : nameSet) { |
| if (start) { |
| start = false; |
| } else { |
| buf.append("| "); |
| } |
| buf.append(name); |
| buf.append(" "); |
| } |
| buf.append(")"); |
| return buf.toString(); |
| } |
| |
| } |