1 package org.drools.jsr94.rules.admin;
2
3 /*
4 $Id: RuleExecutionSetImpl.java,v 1.4 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 org.drools.RuleBase;
50 import org.drools.RuleIntegrationException;
51 import org.drools.rule.Rule;
52
53 import javax.rules.ObjectFilter;
54 import javax.rules.admin.RuleExecutionSet;
55 import java.util.ArrayList;
56 import java.util.HashMap;
57 import java.util.List;
58 import java.util.Map;
59
60 /***
61 * A named set of executable <code>Rule</code> instances.
62 * A <code>RuleExecutionSet</code> can be executed by a rules engine via the <code>RuleSession</code> interface.
63 *
64 * @see RuleExecutionSet
65 *
66 * @author <a href="mailto:thomas.diesler@softcon-itec.de">thomas diesler</a>
67 */
68 public class RuleExecutionSetImpl implements RuleExecutionSet
69 {
70
71 private String name;
72 private String description;
73 private String filterName;
74 private Map props = new HashMap();
75
76 private RuleBase ruleBase = new RuleBase();
77 private List ruleList = new ArrayList();
78
79 /***
80 * Hide the constructor.
81 */
82 RuleExecutionSetImpl()
83 {
84 }
85
86 /***
87 * Get the drool <code>RuleBase</code> associated with this <code>RuleExecutionSet</code>.
88 */
89 public RuleBase getRuleBase()
90 {
91 return ruleBase;
92 }
93
94 /***
95 * Adds a rule the the drool <code>RuleBase</code>.
96 */
97 void addRule( Rule droolRule ) throws RuleIntegrationException
98 {
99
100 ruleBase.addRule( droolRule );
101
102 String name = droolRule.getName();
103 ruleList.add( new RuleImpl( name, null ) );
104 }
105
106 /***
107 * Sets the name for this rule set.
108 */
109 void setName( String name )
110 {
111 this.name = name;
112 }
113
114 /***
115 * Sets the description for this rule set.
116 */
117 void setDescription( String description )
118 {
119 this.description = description;
120 }
121
122 /***
123 * Get an instance of the default filter, or null.
124 */
125 public ObjectFilter getObjectFilter()
126 {
127
128 ObjectFilter objectFilter = null;
129
130 // instanciate the current object filter
131 if ( filterName != null )
132 {
133 try
134 {
135 Class filterClass = Class.forName( filterName );
136 return (ObjectFilter) filterClass.newInstance();
137 }
138 catch ( Exception ex )
139 {
140 throw new RuntimeException( ex.toString() );
141 }
142 }
143
144 return objectFilter;
145 }
146
147 // JSR94 interface methods start here ------------------------------------------------------------------------------
148 public String getName()
149 {
150 return name;
151 }
152
153 public String getDescription()
154 {
155 return description;
156 }
157
158 public Object getProperty( Object key )
159 {
160 return props.get( key );
161 }
162
163 public void setProperty( Object key, Object val )
164 {
165 props.put( key, val );
166 }
167
168 public void setDefaultObjectFilter( String objectFilterClassname )
169 {
170 this.filterName = objectFilterClassname;
171 }
172
173 public String getDefaultObjectFilter()
174 {
175 return filterName;
176 }
177
178 public List getRules()
179 {
180 return ruleList;
181 }
182 // JSR94 interface methods end here --------------------------------------------------------------------------------
183
184
185 }
This page was automatically generated by Maven