import com.sun.org.apache.xerces.internal.impl.xs.identity.ValueStore; //导入依赖的package包/类
/**
 * Request to activate the specified field. This method returns the
 * matcher for the field.
 *
 * @param field The field to activate.
 */
public XPathMatcher activateField(Field field, int initialDepth) {
    ValueStore valueStore =
        fValueStoreCache.getValueStoreFor(field.getIdentityConstraint(), initialDepth);
    setMayMatch(field, Boolean.TRUE);
    XPathMatcher matcher = field.createMatcher(this, valueStore);
    fMatcherStack.addMatcher(matcher);
    matcher.startDocumentFragment();
    return matcher;
}
 

import com.sun.org.apache.xerces.internal.impl.xs.identity.ValueStore; //导入依赖的package包/类
/**
 * Request to activate the specified field. This method returns the
 * matcher for the field.
 *
 * @param field The field to activate.
 */
public XPathMatcher activateField(Field field, int initialDepth) {
    ValueStore valueStore =
        fValueStoreCache.getValueStoreFor(field.getIdentityConstraint(), initialDepth);
    XPathMatcher matcher = field.createMatcher(valueStore);
    fMatcherStack.addMatcher(matcher);
    matcher.startDocumentFragment();
    return matcher;
}