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package gregtech.api.interfaces;
public interface ICondition<O> {
public boolean isTrue(O aObject);
// Utility Classes for adding relations between Conditions.
public static class Not<O> implements ICondition<O> {
private final ICondition<O> mCondition;
public Not(ICondition<O> aCondition) {
mCondition = aCondition;
}
@Override
public boolean isTrue(O aObject) {
return !mCondition.isTrue(aObject);
}
}
public static class Or<O> implements ICondition<O> {
private final ICondition<O>[] mConditions;
public Or(ICondition<O>... aConditions) {
mConditions = aConditions;
}
@Override
public boolean isTrue(O aObject) {
for (ICondition<O> tCondition : mConditions) if (tCondition.isTrue(aObject)) return true;
return false;
}
}
public static class Nor<O> implements ICondition<O> {
private final ICondition<O>[] mConditions;
public Nor(ICondition<O>... aConditions) {
mConditions = aConditions;
}
@Override
public boolean isTrue(O aObject) {
for (ICondition<O> tCondition : mConditions) if (tCondition.isTrue(aObject)) return false;
return true;
}
}
public static class And<O> implements ICondition<O> {
private final ICondition<O>[] mConditions;
public And(ICondition<O>... aConditions) {
mConditions = aConditions;
}
@Override
public boolean isTrue(O aObject) {
for (ICondition<O> tCondition : mConditions) if (!tCondition.isTrue(aObject)) return false;
return true;
}
}
public static class Nand<O> implements ICondition<O> {
private final ICondition<O>[] mConditions;
public Nand(ICondition<O>... aConditions) {
mConditions = aConditions;
}
@Override
public boolean isTrue(O aObject) {
for (ICondition<O> tCondition : mConditions) if (!tCondition.isTrue(aObject)) return true;
return false;
}
}
public static class Xor<O> implements ICondition<O> {
private final ICondition<O> mCondition1, mCondition2;
public Xor(ICondition<O> aCondition1, ICondition<O> aCondition2) {
mCondition1 = aCondition1;
mCondition2 = aCondition2;
}
@Override
public boolean isTrue(O aObject) {
return mCondition1.isTrue(aObject) != mCondition2.isTrue(aObject);
}
}
public static class Equal<O> implements ICondition<O> {
private final ICondition<O> mCondition1, mCondition2;
public Equal(ICondition<O> aCondition1, ICondition<O> aCondition2) {
mCondition1 = aCondition1;
mCondition2 = aCondition2;
}
@Override
public boolean isTrue(O aObject) {
return mCondition1.isTrue(aObject) == mCondition2.isTrue(aObject);
}
}
}
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