pylucene 3.5.0-3

[pylucene.git] / lucene-java-3.5.0 / lucene / contrib / queryparser / src / java / org / apache / lucene / queryParser / core / nodes / OpaqueQueryNode.java

diff --git a/lucene-java-3.5.0/lucene/contrib/queryparser/src/java/org/apache/lucene/queryParser/core/nodes/OpaqueQueryNode.java b/lucene-java-3.5.0/lucene/contrib/queryparser/src/java/org/apache/lucene/queryParser/core/nodes/OpaqueQueryNode.java
new file mode 100644 (file)
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+++ b/lucene-java-3.5.0/lucene/contrib/queryparser/src/java/org/apache/lucene/queryParser/core/nodes/OpaqueQueryNode.java
@@ -0,0 +1,82 @@
+package org.apache.lucene.queryParser.core.nodes;
+
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import org.apache.lucene.queryParser.core.parser.EscapeQuerySyntax;
+
+/**
+ * A {@link OpaqueQueryNode} is used for specify values that are not supposed to
+ * be parsed by the parser. For example: and XPATH query in the middle of a
+ * query string a b @xpath:'/bookstore/book[1]/title' c d
+ */
+public class OpaqueQueryNode extends QueryNodeImpl {
+
+  private static final long serialVersionUID = 0L;
+
+  private CharSequence schema = null;
+
+  private CharSequence value = null;
+
+  /**
+   * @param schema
+   *          - schema identifier
+   * @param value
+   *          - value that was not parsed
+   */
+  public OpaqueQueryNode(CharSequence schema, CharSequence value) {
+    this.setLeaf(true);
+
+    this.schema = schema;
+    this.value = value;
+
+  }
+
+  @Override
+  public String toString() {
+    return "<opaque schema='" + this.schema + "' value='" + this.value + "'/>";
+  }
+
+  public CharSequence toQueryString(EscapeQuerySyntax escapeSyntaxParser) {
+    return "@" + this.schema + ":'" + this.value + "'";
+  }
+
+  @Override
+  public QueryNode cloneTree() throws CloneNotSupportedException {
+    OpaqueQueryNode clone = (OpaqueQueryNode) super.cloneTree();
+
+    clone.schema = this.schema;
+    clone.value = this.value;
+
+    return clone;
+  }
+
+  /**
+   * @return the schema
+   */
+  public CharSequence getSchema() {
+    return this.schema;
+  }
+
+  /**
+   * @return the value
+   */
+  public CharSequence getValue() {
+    return this.value;
+  }
+
+}