public FeatureStructure createFS(int addr, CASImpl cas) { if (Token_Type.this.useExistingInstance) { // Return eq fs instance if already created FeatureStructure fs = Token_Type.this.jcas.getJfsFromCaddr(addr); if (null == fs) { fs = new Token(addr, Token_Type.this); Token_Type.this.jcas.putJfsFromCaddr(addr, fs); return fs; } return fs; } else return new Token(addr, Token_Type.this); } };