/** Check if two sets of keys are compatible to each other (matching types, key counts) */
public boolean areCompatible(Keys<?> other) throws IncompatibleKeysException {
TypeInformation<?>[] thisKeyFieldTypes = this.getKeyFieldTypes();
TypeInformation<?>[] otherKeyFieldTypes = other.getKeyFieldTypes();
if (thisKeyFieldTypes.length != otherKeyFieldTypes.length) {
throw new IncompatibleKeysException(IncompatibleKeysException.SIZE_MISMATCH_MESSAGE);
} else {
for (int i = 0; i < thisKeyFieldTypes.length; i++) {
if (!thisKeyFieldTypes[i].equals(otherKeyFieldTypes[i])) {
throw new IncompatibleKeysException(thisKeyFieldTypes[i], otherKeyFieldTypes[i]);
}
}
}
return true;
}
