@Override public Serializable generate(AccessCallback callback) { // IMPL NOTE : this method is called concurrently and is // not synchronized. It is very important to work on the // local variable: the field lastSourceValue is not // reliable as it might be mutated by multipled threads. // The lastSourceValue field is only accessed by tests, // so this is not a concern. IntegralDataTypeHolder value = callback.getNextValue(); lastSourceValue = value; return value.makeValue(); }
@Override public synchronized Serializable generate(AccessCallback callback) { final GenerationState generationState = locateGenerationState( callback.getTenantIdentifier() ); if ( generationState.hiValue == null ) { generationState.value = callback.getNextValue(); // unfortunately not really safe to normalize this // to 1 as an initial value like we do the others // because we would not be able to control this if // we are using a sequence... if ( generationState.value.lt( 1 ) ) { log.pooledOptimizerReportedInitialValue( generationState.value ); } // the call to obtain next-value just gave us the initialValue if ( ( initialValue == -1 && generationState.value.lt( incrementSize ) ) || generationState.value.eq( initialValue ) ) { generationState.hiValue = callback.getNextValue(); } else { generationState.hiValue = generationState.value; generationState.value = generationState.hiValue.copy().subtract( incrementSize - 1 ); } } else if ( generationState.value.gt( generationState.hiValue ) ) { generationState.hiValue = callback.getNextValue(); generationState.value = generationState.hiValue.copy().subtract( incrementSize - 1 ); } return generationState.value.makeValueThenIncrement(); }
@Override public synchronized Serializable generate(AccessCallback callback) { final GenerationState generationState = locateGenerationState( callback.getTenantIdentifier() ); if ( generationState.lastSourceValue == null ) { // first call, so initialize ourselves. we need to read the database // value and set up the 'bucket' boundaries generationState.lastSourceValue = callback.getNextValue(); while ( generationState.lastSourceValue.lt( 1 ) ) { generationState.lastSourceValue = callback.getNextValue(); } // upperLimit defines the upper end of the bucket values generationState.upperLimit = generationState.lastSourceValue.copy().multiplyBy( incrementSize ).increment(); // initialize value to the low end of the bucket generationState.value = generationState.upperLimit.copy().subtract( incrementSize ); } else if ( ! generationState.upperLimit.gt( generationState.value ) ) { generationState.lastSourceValue = callback.getNextValue(); generationState.upperLimit = generationState.lastSourceValue.copy().multiplyBy( incrementSize ).increment(); generationState.value = generationState.upperLimit.copy().subtract( incrementSize ); } return generationState.value.makeValueThenIncrement(); }
@Override public synchronized Serializable generate(AccessCallback callback) { final GenerationState generationState = locateGenerationState( callback.getTenantIdentifier() ); if ( generationState.lo > generationState.maxLo ) { generationState.lastSourceValue = callback.getNextValue(); generationState.lo = generationState.lastSourceValue.eq( 0 ) ? 1 : 0; generationState.hi = generationState.lastSourceValue.copy().multiplyBy( generationState.maxLo + 1 ); } generationState.value = generationState.hi.copy().add( generationState.lo++ ); return generationState.value.makeValue(); }
@Override public synchronized Serializable generate(AccessCallback callback) { final GenerationState generationState = locateGenerationState( callback.getTenantIdentifier() ); if ( generationState.lastSourceValue == null || ! generationState.value.lt( generationState.upperLimitValue ) ) { generationState.lastSourceValue = callback.getNextValue(); generationState.upperLimitValue = generationState.lastSourceValue.copy().add( incrementSize ); generationState.value = generationState.lastSourceValue.copy(); // handle cases where initial-value is less that one (hsqldb for instance). while ( generationState.value.lt( 1 ) ) { generationState.value.increment(); } } return generationState.value.makeValueThenIncrement(); }
@Override public Serializable generate(AccessCallback callback) { if ( callback.getTenantIdentifier() == null ) { final GenerationState local = localAssignedIds.get(); if ( local.value != null && local.value.lt( local.upperLimitValue ) ) { return local.value.makeValueThenIncrement(); } } synchronized (this) { final GenerationState generationState = locateGenerationState( callback.getTenantIdentifier() ); if ( generationState.lastSourceValue == null || !generationState.value.lt( generationState.upperLimitValue )) { generationState.lastSourceValue = callback.getNextValue(); generationState.upperLimitValue = generationState.lastSourceValue.copy().add( incrementSize ); generationState.value = generationState.lastSourceValue.copy(); // handle cases where initial-value is less that one (hsqldb for instance). while (generationState.value.lt( 1 )) { generationState.value.increment(); } } return generationState.value.makeValueThenIncrement(); } }
@Override public Serializable generate(AccessCallback callback) { // IMPL NOTE : this method is called concurrently and is // not synchronized. It is very important to work on the // local variable: the field lastSourceValue is not // reliable as it might be mutated by multipled threads. // The lastSourceValue field is only accessed by tests, // so this is not a concern. IntegralDataTypeHolder value = callback.getNextValue(); lastSourceValue = value; return value.makeValue(); }
@Override public Serializable generate(AccessCallback callback) { // IMPL NOTE : it is incredibly important that the method-local variable be used here to // avoid concurrency issues. IntegralDataTypeHolder value = null; while ( value == null || value.lt( 1 ) ) { value = callback.getNextValue(); } lastSourceValue = value; return value.makeValue(); }
@Override public Serializable generate(AccessCallback callback) { // IMPL NOTE : it is incredibly important that the method-local variable be used here to // avoid concurrency issues. IntegralDataTypeHolder value = null; while ( value == null || value.lt( 1 ) ) { value = callback.getNextValue(); } lastSourceValue = value; return value.makeValue(); }
@Override public synchronized Serializable generate(AccessCallback callback) { if ( hiValue == null ) { value = callback.getNextValue(); // unfortunately not really safe to normalize this // to 1 as an initial value like we do the others // because we would not be able to control this if // we are using a sequence... if (value.lt(1)) LOG.pooledOptimizerReportedInitialValue(value); // the call to obtain next-value just gave us the initialValue if ( ( initialValue == -1 && value.lt( incrementSize ) ) || value.eq( initialValue ) ) { hiValue = callback.getNextValue(); } else { hiValue = value; value = hiValue.copy().subtract( incrementSize ); } } else if ( ! hiValue.gt( value ) ) { hiValue = callback.getNextValue(); value = hiValue.copy().subtract( incrementSize ); } return value.makeValueThenIncrement(); }
@Override public synchronized Serializable generate(AccessCallback callback) { if ( lastSourceValue == null ) { // first call, so initialize ourselves. we need to read the database // value and set up the 'bucket' boundaries lastSourceValue = callback.getNextValue(); while ( lastSourceValue.lt( 1 ) ) { lastSourceValue = callback.getNextValue(); } // upperLimit defines the upper end of the bucket values upperLimit = lastSourceValue.copy().multiplyBy( incrementSize ).increment(); // initialize value to the low end of the bucket value = upperLimit.copy().subtract( incrementSize ); } else if ( ! upperLimit.gt( value ) ) { lastSourceValue = callback.getNextValue(); upperLimit = lastSourceValue.copy().multiplyBy( incrementSize ).increment(); } return value.makeValueThenIncrement(); }
@Override public synchronized Serializable generate(AccessCallback callback) { if ( lastSourceValue == null ) { // first call, so initialize ourselves. we need to read the database // value and set up the 'bucket' boundaries lastSourceValue = callback.getNextValue(); while ( lastSourceValue.lt( 1 ) ) { lastSourceValue = callback.getNextValue(); } // upperLimit defines the upper end of the bucket values upperLimit = lastSourceValue.copy().multiplyBy( incrementSize ).increment(); // initialize value to the low end of the bucket value = upperLimit.copy().subtract( incrementSize ); } else if ( ! upperLimit.gt( value ) ) { lastSourceValue = callback.getNextValue(); upperLimit = lastSourceValue.copy().multiplyBy( incrementSize ).increment(); } return value.makeValueThenIncrement(); }
@Override public synchronized Serializable generate(AccessCallback callback) { if ( lo > maxLo ) { lastSourceValue = callback.getNextValue(); lo = lastSourceValue.eq( 0 ) ? 1 : 0; hi = lastSourceValue.copy().multiplyBy( maxLo+1 ); } value = hi.copy().add( lo++ ); return value.makeValue(); }
@Override public synchronized Serializable generate(AccessCallback callback) { if ( lo > maxLo ) { lastSourceValue = callback.getNextValue(); lo = lastSourceValue.eq( 0 ) ? 1 : 0; hi = lastSourceValue.copy().multiplyBy( maxLo+1 ); } value = hi.copy().add( lo++ ); return value.makeValue(); }
@Override public synchronized Serializable generate(AccessCallback callback) { final GenerationState generationState = locateGenerationState( callback.getTenantIdentifier() ); if ( generationState.lastSourceValue == null ) { // first call, so initialize ourselves. we need to read the database // value and set up the 'bucket' boundaries generationState.lastSourceValue = callback.getNextValue(); while ( generationState.lastSourceValue.lt( 1 ) ) { generationState.lastSourceValue = callback.getNextValue(); } // upperLimit defines the upper end of the bucket values generationState.upperLimit = generationState.lastSourceValue.copy().multiplyBy( incrementSize ).increment(); // initialize value to the low end of the bucket generationState.value = generationState.upperLimit.copy().subtract( incrementSize ); } else if ( ! generationState.upperLimit.gt( generationState.value ) ) { generationState.lastSourceValue = callback.getNextValue(); generationState.upperLimit = generationState.lastSourceValue.copy().multiplyBy( incrementSize ).increment(); generationState.value = generationState.upperLimit.copy().subtract( incrementSize ); } return generationState.value.makeValueThenIncrement(); }
@Override public Serializable generate(AccessCallback callback) { if ( lastSourceValue == null || ! value.lt( lastSourceValue.copy().add( incrementSize ) ) ) { lastSourceValue = callback.getNextValue(); value = lastSourceValue.copy(); // handle cases where initial-value is less that one (hsqldb for instance). while ( value.lt( 1 ) ) { value.increment(); } } return value.makeValueThenIncrement(); }
@Override public Serializable generate(AccessCallback callback) { if ( lastSourceValue == null || ! value.lt( lastSourceValue.copy().add( incrementSize ) ) ) { lastSourceValue = callback.getNextValue(); value = lastSourceValue.copy(); // handle cases where initial-value is less that one (hsqldb for instance). while ( value.lt( 1 ) ) { value.increment(); } } return value.makeValueThenIncrement(); }
@Override public synchronized Serializable generate(AccessCallback callback) { final GenerationState generationState = locateGenerationState( callback.getTenantIdentifier() ); if ( generationState.lo > generationState.maxLo ) { generationState.lastSourceValue = callback.getNextValue(); generationState.lo = generationState.lastSourceValue.eq( 0 ) ? 1 : 0; generationState.hi = generationState.lastSourceValue.copy().multiplyBy( generationState.maxLo + 1 ); } generationState.value = generationState.hi.copy().add( generationState.lo++ ); return generationState.value.makeValue(); }
@Override public synchronized Serializable generate(AccessCallback callback) { final GenerationState generationState = locateGenerationState( callback.getTenantIdentifier() ); if ( generationState.lastSourceValue == null || ! generationState.value.lt( generationState.upperLimitValue ) ) { generationState.lastSourceValue = callback.getNextValue(); generationState.upperLimitValue = generationState.lastSourceValue.copy().add( incrementSize ); generationState.value = generationState.lastSourceValue.copy(); // handle cases where initial-value is less that one (hsqldb for instance). while ( generationState.value.lt( 1 ) ) { generationState.value.increment(); } } return generationState.value.makeValueThenIncrement(); }
@Override public Serializable generate(AccessCallback callback) { if ( callback.getTenantIdentifier() == null ) { final GenerationState local = localAssignedIds.get(); if ( local.value != null && local.value.lt( local.upperLimitValue ) ) { return local.value.makeValueThenIncrement(); } } synchronized (this) { final GenerationState generationState = locateGenerationState( callback.getTenantIdentifier() ); if ( generationState.lastSourceValue == null || !generationState.value.lt( generationState.upperLimitValue )) { generationState.lastSourceValue = callback.getNextValue(); generationState.upperLimitValue = generationState.lastSourceValue.copy().add( incrementSize ); generationState.value = generationState.lastSourceValue.copy(); // handle cases where initial-value is less that one (hsqldb for instance). while (generationState.value.lt( 1 )) { generationState.value.increment(); } } return generationState.value.makeValueThenIncrement(); } }