uimaj-2.2.0-incubating/uimaj-core/src/main/java/org/apache/uima/cas_data/PrimitiveValue.java

/*
 * 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_data;

/**
 * Represents a primitive feature value - a string, integer, or float. Arrays are represented as
 * FeatureStructures, not as primitive values.
 * 
 * 
 */
public interface PrimitiveValue extends FeatureValue {
  /**
   * Gets this value as a string.
   * 
   * @return string value
   */
  public String toString();

  /**
   * Gets this value as an integer.
   * 
   * @return integer value, 0 if a non-integer
   */
  public int toInt();

  /**
   * Gets this value as a float.
   * 
   * @return float value, 0 if a non-number.
   */
  public float toFloat();

}