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| package org.drools.semantics.annotation.model; |
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| |
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| import org.drools.rule.Declaration; |
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| import org.drools.spi.Tuple; |
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| |
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| class TupleParameterValue implements ParameterValue |
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| { |
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| private final Declaration declaration; |
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| |
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| public TupleParameterValue( final Declaration declaration )
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| { |
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| if (declaration == null)
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| { |
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| throw new IllegalArgumentException( "Null 'declaration' argument" );
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| } |
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| this.declaration = declaration;
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| } |
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| |
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| |
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| public Object getValue( Tuple tuple )
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| { |
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| return tuple.get( declaration );
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| } |
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| |
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| public Declaration getDeclaration( )
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| { |
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| return declaration;
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| } |
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| } |