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1 package org.drools.jsr94.rules.admin; 2 3 /* 4 $Id: RuleAdministratorImpl.java,v 1.5 2003/06/19 09:28:35 tdiesler Exp $ 5 6 Copyright 2002 (C) The Werken Company. All Rights Reserved. 7 8 Redistribution and use of this software and associated documentation 9 ("Software"), with or without modification, are permitted provided 10 that the following conditions are met: 11 12 1. Redistributions of source code must retain copyright 13 statements and notices. Redistributions must also contain a 14 copy of this document. 15 16 2. Redistributions in binary form must reproduce the 17 above copyright notice, this list of conditions and the 18 following disclaimer in the documentation and/or other 19 materials provided with the distribution. 20 21 3. The name "drools" must not be used to endorse or promote 22 products derived from this Software without prior written 23 permission of The Werken Company. For written permission, 24 please contact bob@werken.com. 25 26 4. Products derived from this Software may not be called "drools" 27 nor may "drools" appear in their names without prior written 28 permission of The Werken Company. "drools" is a registered 29 trademark of The Werken Company. 30 31 5. Due credit should be given to The Werken Company. 32 (http://drools.werken.com/). 33 34 THIS SOFTWARE IS PROVIDED BY THE WERKEN COMPANY AND CONTRIBUTORS 35 ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT 36 NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND 37 FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL 38 THE WERKEN COMPANY OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, 39 INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 40 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 41 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 42 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 43 STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 44 ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 45 OF THE POSSIBILITY OF SUCH DAMAGE. 46 47 */ 48 49 import javax.rules.admin.*; 50 import java.util.Map; 51 52 /*** 53 * The <code>RuleAdministrator</code> interface is used by rule execution set 54 * administrators to load rule execution sets from external sources and 55 * create a RuleExecutionSet runtime object. 56 * 57 * @see RuleAdministrator 58 * 59 * @author <a href="mailto:thomas.diesler@softcon-itec.de">thomas diesler</a> 60 */ 61 public class RuleAdministratorImpl implements RuleAdministrator 62 { 63 64 /*** 65 * Returns a <code>RemoteRuleExecutionSetProvider</code> implementation. 66 * 67 * @see RuleAdministrator 68 */ 69 public RuleExecutionSetProvider getRuleExecutionSetProvider( Map properties ) 70 { 71 return new RuleExecutionSetProviderImpl(); 72 } 73 74 /*** 75 * Returns a <code>LocalRuleExecutionSetProvider</code> implementation. 76 * 77 * @see RuleAdministrator#getLocalRuleExecutionSetProvider 78 */ 79 public LocalRuleExecutionSetProvider getLocalRuleExecutionSetProvider( Map properties ) 80 { 81 return new LocalRuleExecutionSetProviderImpl(); 82 } 83 84 /*** 85 * Registers a <code>RuleExecutionSet</code> and associates it with a given URI. 86 * 87 * @see RuleAdministrator#registerRuleExecutionSet 88 */ 89 public void registerRuleExecutionSet( String bindUri, RuleExecutionSet ruleExecutionSet, Map properties ) throws RuleExecutionSetRegisterException 90 { 91 92 try 93 { 94 //Note: an existing RuleExecutionSet is simply replaced 95 RuleExecutionSetRepository repository = RuleExecutionSetRepository.getInstance(); 96 repository.registerRuleExecutionSet( bindUri, ruleExecutionSet ); 97 } 98 catch ( Exception ex ) 99 { 100 throw new RuleExecutionSetRegisterException( "cannot register rule set", ex ); 101 } 102 } 103 104 /*** 105 * Unregisters a previously registers <code>RuleExecutionSet</code> from a URI. 106 * 107 * @see RuleAdministrator#unregisterRuleExecutionSet 108 */ 109 public void unregisterRuleExecutionSet( String bindUri, Map properties ) throws RuleExecutionSetUnregisterException 110 { 111 112 RuleExecutionSetRepository repository = RuleExecutionSetRepository.getInstance(); 113 114 if ( repository.getRuleExecutionSet( bindUri ) == null ) 115 throw new RuleExecutionSetUnregisterException( "no execution set bound to: " + bindUri ); 116 117 try 118 { 119 repository.unregisterRuleExecutionSet( bindUri ); 120 } 121 catch ( Exception ex ) 122 { 123 throw new RuleExecutionSetUnregisterException( "cannot unregister rule set", ex ); 124 } 125 } 126 }

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