Java NativeTradeItem类代码示例

import net.sf.freecol.common.model.NativeTradeItem; //导入依赖的package包/类
/**
 * Limit the number of items offered by the settlement.
 *
 * Used in the client to implement a Col1 restriction.
 *
 * @param n The number of items to offer.
 */
public void limitSettlementToUnit(int n) {
    List<NativeTradeItem> best = transform(this.settlementToUnit,
        NativeTradeItem::priceIsValid, Function.identity(),
        NativeTradeItem.descendingPriceComparator);
    if (best.size() <= n) return;
    for (NativeTradeItem nti : best.subList(n, best.size())) {
        nti.setPrice(NativeTradeItem.PRICE_INVALID);
    }
}
 

import net.sf.freecol.common.model.NativeTradeItem; //导入依赖的package包/类
/**
 * Can the unit owner buy more items in this session at present?
 *
 * @return True if not blocked, at peace, there are purchases to
 *     be made and space available.
 */
public boolean canBuy() {
    return getBuy() && !atWar() && this.unit.getSpaceLeft() > 0
        && any(getSettlementToUnit(), NativeTradeItem::priceIsValid);
}
 

import net.sf.freecol.common.model.NativeTradeItem; //导入依赖的package包/类
/**
 * Can the unit owner buy more items in this session at present?
 *
 * @return True if not blocked, at peace, and there are sales to be made.
 */
public boolean canSell() {
    return getSell() && !atWar()
        && any(getUnitToSettlement(), NativeTradeItem::priceIsValid);
}
 

import net.sf.freecol.common.model.NativeTradeItem; //导入依赖的package包/类
/**
 * Get the item being traded.
 *
 * @return The current {@code NativeTradeItem}.
 */
public NativeTradeItem getItem() {
    return this.item;
}
 

import net.sf.freecol.common.model.NativeTradeItem; //导入依赖的package包/类
/**
 * Set the item being traded.
 *
 * @param nti The new {@code NativeTradeItem}.
 */
public void setItem(NativeTradeItem nti) {
    this.item = nti;
}
 

import net.sf.freecol.common.model.NativeTradeItem; //导入依赖的package包/类
/**
 * Get the list of items the unit is able to offer the settlement.
 *
 * Note: some of these items might be currently invalid.
 *
 * @return A list of {@code NativeTradeItem}s the unit might sell.
 */
public List<NativeTradeItem> getUnitToSettlement() {
    return this.unitToSettlement;
}
 

import net.sf.freecol.common.model.NativeTradeItem; //导入依赖的package包/类
/**
 * Get the list of items the settlement is able to offer the unit.
 *
 * Note: some of these items might be currently invalid.
 *
 * @return A list of {@code NativeTradeItem}s the unit might buy.
 */
public List<NativeTradeItem> getSettlementToUnit() {
    return this.settlementToUnit;
}
 

import net.sf.freecol.common.model.NativeTradeItem; //导入依赖的package包/类
/**
 * Add an item to the unit list of items.
 *
 * @param nti The {@code NativeTradeItem} to add.
 */
public void addToUnit(NativeTradeItem nti) {
    this.unitToSettlement.add(nti);
}
 

import net.sf.freecol.common.model.NativeTradeItem; //导入依赖的package包/类
/**
 * Remove an item from the unit list of items.
 *
 * @param nti The {@code NativeTradeItem} to remove.
 */
public void removeFromUnit(NativeTradeItem nti) {
    removeInPlace(this.unitToSettlement, nti.goodsMatcher());
}