| /* |
| * 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.Vector; |
| |
| import org.apache.uima.cas.Feature; |
| import org.apache.uima.cas.Type; |
| import org.apache.uima.cas.TypeSystem; |
| import org.apache.uima.cas.admin.FSIndexComparator; |
| import org.apache.uima.cas.admin.LinearTypeOrder; |
| import org.apache.uima.internal.util.IntVector; |
| |
| public class FSIndexComparatorImpl implements FSIndexComparator { |
| |
| private Type type; |
| |
| private Vector keyVector; |
| |
| private IntVector compVector; |
| |
| private IntVector keyTypeVector; |
| |
| private TypeSystem ts; |
| |
| private CASImpl cas; |
| |
| private FSIndexComparatorImpl() { |
| super(); |
| } |
| |
| // Public only for testing purposes. |
| public FSIndexComparatorImpl(CASImpl cas) { |
| super(); |
| this.keyVector = new Vector(); |
| this.compVector = new IntVector(); |
| this.keyTypeVector = new IntVector(); |
| this.type = null; |
| this.ts = cas.getTypeSystem(); |
| this.cas = cas; |
| } |
| |
| private boolean checkType(Type t) { |
| return t.isPrimitive(); |
| } |
| |
| public void setType(Type type) { |
| this.type = type; |
| } |
| |
| public Type getType() { |
| return this.type; |
| } |
| |
| public int addKey(Feature feat, int compareKey) { |
| if (!checkType(feat.getRange())) { |
| return -1; |
| } |
| final int rc = this.keyVector.size(); |
| this.keyVector.add(feat); |
| this.compVector.add(compareKey); |
| this.keyTypeVector.add(FEATURE_KEY); |
| return rc; |
| } |
| |
| public int addKey(LinearTypeOrder typeOrder, int compareKey) { |
| final int rc = this.keyVector.size(); |
| this.compVector.add(compareKey); |
| this.keyVector.add(typeOrder); |
| this.keyTypeVector.add(TYPE_ORDER_KEY); |
| return rc; |
| } |
| |
| public int getKeyType(int key) { |
| return this.keyTypeVector.get(key); |
| } |
| |
| public int getNumberOfKeys() { |
| return this.keyVector.size(); |
| } |
| |
| public Feature getKeyFeature(int key) { |
| if (this.keyTypeVector.get(key) == FEATURE_KEY) { |
| return (Feature) this.keyVector.get(key); |
| } |
| return null; |
| } |
| |
| public LinearTypeOrder getKeyTypeOrder(int key) { |
| if (this.keyTypeVector.get(key) == TYPE_ORDER_KEY) { |
| return (LinearTypeOrder) this.keyVector.get(key); |
| } |
| return null; |
| } |
| |
| public int getKeyComparator(int key) { |
| return this.compVector.get(key); |
| } |
| |
| public boolean equals(Object o) { |
| if (this == o) { |
| return true; |
| } |
| if (!(o instanceof FSIndexComparator)) { |
| return false; |
| } |
| FSIndexComparator comp = (FSIndexComparator) o; |
| final int max = this.getNumberOfKeys(); |
| if (max != comp.getNumberOfKeys()) { |
| return false; |
| } |
| for (int i = 0; i < max; i++) { |
| if ((this.getKeyFeature(i) != comp.getKeyFeature(i)) |
| || (this.getKeyComparator(i) != comp.getKeyComparator(i))) { |
| return false; |
| } |
| } |
| return true; |
| } |
| |
| public int hashCode() { |
| throw new UnsupportedOperationException(); |
| } |
| |
| CASImpl getLowLevelCAS() { |
| return this.cas; |
| } |
| |
| public boolean isValid() { |
| if (this.type == null) { |
| return false; |
| } |
| final int max = this.getNumberOfKeys(); |
| Feature feat; |
| for (int i = 0; i < max; i++) { |
| if (this.keyTypeVector.get(i) != FEATURE_KEY) { |
| continue; |
| } |
| feat = (Feature) this.keyVector.get(i); |
| // if (feat.getTypeSystem() != ts) { |
| // return false; |
| // } |
| if (!this.ts.subsumes(feat.getDomain(), this.type)) { |
| return false; |
| } |
| } |
| return true; |
| } |
| |
| synchronized FSIndexComparatorImpl copy() { |
| FSIndexComparatorImpl copy = new FSIndexComparatorImpl(this.cas); |
| copy.type = this.type; |
| final int max = this.getNumberOfKeys(); |
| for (int i = 0; i < max; i++) { |
| copy.keyVector.add(this.keyVector.get(i)); |
| copy.compVector.add(this.compVector.get(i)); |
| copy.keyTypeVector.add(this.keyTypeVector.get(i)); |
| } |
| return copy; |
| } |
| |
| /** |
| * @see java.lang.Comparable#compareTo(Object) |
| */ |
| public int compareTo(Object o) { |
| FSIndexComparator comp = (FSIndexComparator) o; |
| final int thisSize = this.getNumberOfKeys(); |
| final int compSize = comp.getNumberOfKeys(); |
| int i = 0; |
| int feat1, feat2; |
| while ((i < thisSize) && (i < compSize)) { |
| feat1 = ((FeatureImpl) this.getKeyFeature(i)).getCode(); |
| feat2 = ((FeatureImpl) comp.getKeyFeature(i)).getCode(); |
| if (feat1 < feat2) { |
| return -1; |
| } else if (feat1 > feat2) { |
| return 1; |
| } else { |
| if (this.getKeyComparator(i) < comp.getKeyComparator(i)) { |
| return -1; |
| } else if (this.getKeyComparator(i) > comp.getKeyComparator(i)) { |
| return 1; |
| } |
| } |
| } |
| // If the comparators are not the same size, the shorter one is smaller. |
| if (i < thisSize) { |
| return 1; |
| } else if (i < compSize) { |
| return -1; |
| } |
| // They're equal. |
| return 0; |
| } |
| |
| } |