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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.prelude.semantics.rule;
import com.yahoo.prelude.semantics.RuleBaseException;
import com.yahoo.prelude.semantics.engine.RuleEvaluation;
/**
* A production in a specified namespace
*
* @author bratseth
*/
public class NamespaceProduction extends Production {
/** The label in this namespace */
private String namespace;
/** The key ito set in the namespace */
private String key;
/** The value to set in the namespace */
private String value=null;
/** Creates a produced template term with no label and the default type */
public NamespaceProduction(String namespace,String key,String value) {
setNamespace(namespace);
this.key=key;
this.value=value;
}
public String getNamespace() { return namespace; }
public final void setNamespace(String namespace) {
if (!namespace.equals("parameter"))
throw new RuleBaseException("Can not produce into namespace '" + namespace +
". Only the 'parameter' name space can be referenced currently");
this.namespace = namespace;
}
public String getKey() { return key; }
public void setKey(String key) { this.key = key; }
public String getValue() { return value; }
public void setValue(String value) { this.value = value; }
public void produce(RuleEvaluation e,int offset) {
e.getEvaluation().getQuery().properties().set(key, value);
}
/** All instances of this produces a parseable string output */
public String toInnerString() {
return namespace + "." + key + "='" + value + "'";
}
}
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