/**
* Copyright 2005 Red Hat, Inc. and/or its affiliates.
*
* Licensed 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.jbpm.process.core.context.variable;
import java.io.Serializable;
import java.util.HashMap;
import java.util.Map;
import org.drools.core.process.core.TypeObject;
import org.drools.core.process.core.datatype.DataType;
import org.drools.core.process.core.datatype.impl.type.UndefinedDataType;
import org.jbpm.process.core.ValueObject;
/**
* Default implementation of a variable.
*
*/
public class Variable implements TypeObject, ValueObject, Serializable {
private static final long serialVersionUID = 510l;
private String name;
private DataType type;
private Object value;
private Map<String, Object> metaData = new HashMap<String, Object>();
public Variable() {
this.type = UndefinedDataType.getInstance();
}
public String getName() {
return this.name;
}
public void setName(final String name) {
this.name = name;
}
public DataType getType() {
return this.type;
}
public void setType(final DataType type) {
if ( type == null ) {
throw new IllegalArgumentException( "type is null" );
}
this.type = type;
}
public Object getValue() {
return this.value;
}
public void setValue(final Object value) {
if ( this.type.verifyDataType( value ) ) {
this.value = value;
} else {
final StringBuilder sb = new StringBuilder();
sb.append( "Value <" );
sb.append( value );
sb.append( "> is not valid for datatype: " );
sb.append( this.type );
throw new IllegalArgumentException( sb.toString() );
}
}
public void setMetaData(String name, Object value) {
this.metaData.put(name, value);
}
public Object getMetaData(String name) {
return this.metaData.get(name);
}
public Map<String, Object> getMetaData() {
return this.metaData;
}
public String toString() {
return this.name;
}
}