import com.sun.org.apache.xerces.internal.impl.xs.identity.XPathMatcher; //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.XPathMatcher; //导入依赖的package包/类
private void activateSelectorFor(IdentityConstraint ic) {
    Selector selector = ic.getSelector();
    FieldActivator activator = this;
    if (selector == null)
        return;
    XPathMatcher matcher = selector.createMatcher(activator, fElementDepth);
    fMatcherStack.addMatcher(matcher);
    matcher.startDocumentFragment();
}
 

import com.sun.org.apache.xerces.internal.impl.xs.identity.XPathMatcher; //导入依赖的package包/类
/** Ensures the size of the matchers array. */
private void ensureMatcherCapacity() {
    if (fMatchersCount == fMatchers.length) {
        XPathMatcher[] array = new XPathMatcher[fMatchers.length * 2];
        System.arraycopy(fMatchers, 0, array, 0, fMatchers.length);
        fMatchers = array;
    }
}
 

import com.sun.org.apache.xerces.internal.impl.xs.identity.XPathMatcher; //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;
}
 

import com.sun.org.apache.xerces.internal.impl.xs.identity.XPathMatcher; //导入依赖的package包/类
/** Adds a matcher. */
public void addMatcher(XPathMatcher matcher) {
    ensureMatcherCapacity();
    fMatchers[fMatchersCount++] = matcher;
}
 

import com.sun.org.apache.xerces.internal.impl.xs.identity.XPathMatcher; //导入依赖的package包/类
/** Returns the XPath matcher at the specified index. */
public XPathMatcher getMatcherAt(int index) {
    return fMatchers[index];
}