diff options
author | Jon Bratseth <bratseth@yahoo-inc.com> | 2016-06-15 23:09:44 +0200 |
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committer | Jon Bratseth <bratseth@yahoo-inc.com> | 2016-06-15 23:09:44 +0200 |
commit | 72231250ed81e10d66bfe70701e64fa5fe50f712 (patch) | |
tree | 2728bba1131a6f6e5bdf95afec7d7ff9358dac50 /predicate-search-core/src/main/java/com/yahoo/document/predicate/SimplePredicates.java |
Publish
Diffstat (limited to 'predicate-search-core/src/main/java/com/yahoo/document/predicate/SimplePredicates.java')
-rw-r--r-- | predicate-search-core/src/main/java/com/yahoo/document/predicate/SimplePredicates.java | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/predicate-search-core/src/main/java/com/yahoo/document/predicate/SimplePredicates.java b/predicate-search-core/src/main/java/com/yahoo/document/predicate/SimplePredicates.java new file mode 100644 index 00000000000..1b339767109 --- /dev/null +++ b/predicate-search-core/src/main/java/com/yahoo/document/predicate/SimplePredicates.java @@ -0,0 +1,70 @@ +// Copyright 2016 Yahoo Inc. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root. +package com.yahoo.document.predicate; + +import java.util.ArrayList; +import java.util.List; + +/** + * @author <a href="mailto:simon@yahoo-inc.com">Simon Thoresen Hult</a> + */ +public class SimplePredicates { + + public static Predicate newPredicate() { + return new Predicate() { + + @Override + protected void appendTo(StringBuilder out) { + out.append("<anon>"); + } + + }; + } + + public static Predicate newString(String str) { + return new StringNode(str); + } + + public static List<Predicate> newStrings(String... arr) { + List<Predicate> ret = new ArrayList<>(arr.length); + for (String str : arr) { + ret.add(newString(str)); + } + return ret; + } + + private static class StringNode extends Predicate { + + final String str; + + StringNode(String str) { + this.str = str; + } + + @Override + public int hashCode() { + return str.hashCode(); + } + + @Override + public boolean equals(Object obj) { + if (obj == this) { + return true; + } + if (!(obj instanceof StringNode)) { + return false; + } + StringNode rhs = (StringNode)obj; + if (!str.equals(rhs.str)) { + return false; + } + return true; + } + + @Override + protected void appendTo(StringBuilder out) { + out.append(str); + } + + } +} + |