/*
* Licensed to "Neo Technology," Network Engine for Objects in Lund AB
* (http://neotechnology.com) under one or more contributor license agreements.
* See the NOTICE file distributed with this work for additional information
* regarding copyright ownership. Neo Technology 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.neo4j.neoclipse.search;
import java.util.regex.Pattern;
/**
* This class is a Neo search expression that is based on Java regular
* expressions.
* @author Peter Hänsgen
*/
public class NeoSearchExpression
{
/**
* The compiled regular expression.
*/
private final Pattern pattern;
private static final Pattern ID_PATTERN = Pattern.compile( "\\d+" );
/**
* The constructor.
*/
public NeoSearchExpression( final Pattern pattern )
{
this.pattern = pattern;
}
/**
* Returns true, if the given value represents a match.
*/
public boolean matches( final Object value )
{
String v = String.valueOf( value );
return pattern.matcher( v ).matches();
}
/**
* Returns the search expression string, e.g. the regular expression.
*/
public String getExpression()
{
return pattern.pattern();
}
/**
* Test if the pattern could be a full node id.
* @return true if pattern could be a full id number
*/
public boolean isPossibleId()
{
return ID_PATTERN.matcher( pattern.pattern() ).matches();
}
}