package org.forester.surfacing;
+import java.util.HashMap;
+import java.util.Map;
+
+import org.forester.protein.BasicDomain;
import org.forester.protein.BinaryDomainCombination;
public class AdjactantDirectedBinaryDomainCombination extends BasicBinaryDomainCombination {
- public AdjactantDirectedBinaryDomainCombination( final String n_terminal, final String c_terminal ) {
+ final private static Map<Integer, AdjactantDirectedBinaryDomainCombination> ADDC_POOL = new HashMap<Integer, AdjactantDirectedBinaryDomainCombination>();
+
+ private AdjactantDirectedBinaryDomainCombination( final String n_terminal, final String c_terminal ) {
super();
if ( ( n_terminal == null ) || ( c_terminal == null ) ) {
throw new IllegalArgumentException( "attempt to create binary domain combination using null" );
}
- // _id0 = n_terminal;
- // _id1 = c_terminal;
- _data = n_terminal + SEPARATOR + c_terminal;
+ _id0 = BasicDomain.obtainIdAsShort( n_terminal );
+ _id1 = BasicDomain.obtainIdAsShort( c_terminal );
}
- public static AdjactantDirectedBinaryDomainCombination createInstance( final String ids ) {
+ public final static AdjactantDirectedBinaryDomainCombination obtainInstance( final String ids ) {
if ( ids.indexOf( BinaryDomainCombination.SEPARATOR ) < 1 ) {
throw new IllegalArgumentException( "Unexpected format for binary domain combination [" + ids + "]" );
}
if ( ids_ary.length != 2 ) {
throw new IllegalArgumentException( "Unexpected format for binary domain combination [" + ids + "]" );
}
- return new AdjactantDirectedBinaryDomainCombination( ids_ary[ 0 ], ids_ary[ 1 ] );
+ return AdjactantDirectedBinaryDomainCombination.obtainInstance( ids_ary[ 0 ], ids_ary[ 1 ] );
+ }
+
+ public final static AdjactantDirectedBinaryDomainCombination obtainInstance( final String n_terminal,
+ final String c_terminal ) {
+ final int code = calcCode( BasicDomain.obtainIdAsShort( n_terminal ), BasicDomain.obtainIdAsShort( c_terminal ) );
+ if ( ADDC_POOL.containsKey( code ) ) {
+ return ADDC_POOL.get( code );
+ }
+ else {
+ final AdjactantDirectedBinaryDomainCombination dc = new AdjactantDirectedBinaryDomainCombination( n_terminal,
+ c_terminal );
+ ADDC_POOL.put( code, dc );
+ if ( VERBOSE && ( ADDC_POOL.size() % 100 == 0 ) ) {
+ System.out.println( " addc pool size: " + ADDC_POOL.size() );
+ }
+ return dc;
+ }
}
}