From 0a8fd25fd85b28c804e4c81c90bd35fdb2e57a66 Mon Sep 17 00:00:00 2001
From: James Moger <james.moger@gitblit.com>
Date: Mon, 30 Jan 2017 16:38:24 -0500
Subject: Added bitwise AND and XOR DSL for where clauses

---
 src/main/java/com/iciql/BitCondition.java         | 82 +++++++++++++++++++++++
 src/main/java/com/iciql/Bitwise.java              | 31 +++++++++
 src/main/java/com/iciql/QueryCondition.java       | 13 ++++
 src/main/java/com/iciql/SQLDialect.java           |  4 ++
 src/main/java/com/iciql/SQLDialectDefault.java    | 14 ++++
 src/main/java/com/iciql/SQLDialectDerby.java      | 11 +++
 src/main/java/com/iciql/SQLDialectH2.java         | 19 ++++++
 src/main/java/com/iciql/SQLDialectHSQL.java       | 19 ++++++
 src/main/java/com/iciql/SQLDialectPostgreSQL.java |  6 ++
 src/main/java/com/iciql/SQLDialectSQLite.java     |  5 ++
 10 files changed, 204 insertions(+)
 create mode 100644 src/main/java/com/iciql/BitCondition.java
 create mode 100644 src/main/java/com/iciql/Bitwise.java

(limited to 'src/main/java/com/iciql')

diff --git a/src/main/java/com/iciql/BitCondition.java b/src/main/java/com/iciql/BitCondition.java
new file mode 100644
index 0000000..e76333f
--- /dev/null
+++ b/src/main/java/com/iciql/BitCondition.java
@@ -0,0 +1,82 @@
+/*
+ * Copyright 2017 James Moger.
+ *
+ * Licensed 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.
+ */
+
+package com.iciql;
+
+/**
+ * A bitwise condition contains two operands, a bit operation, and a comparison test.
+ *
+ * @param <A> the operand type
+ */
+
+class BitCondition<A, T> implements Token, Bitwise<A, T> {
+
+    enum Bitwise {
+        AND, XOR
+    }
+
+    Bitwise bitwiseType;
+    CompareType compareType;
+    A x, y, z;
+    Query<T> query;
+
+    BitCondition(A x, A y, Bitwise bitwiseType, Query<T> query) {
+        this.bitwiseType = bitwiseType;
+        this.x = x;
+        this.y = y;
+        this.query = query;
+    }
+
+    public QueryWhere<T> exceeds(A y) {
+        z = y;
+        compareType = CompareType.EXCEEDS;
+        return new QueryWhere<T>(query);
+    }
+
+    public QueryWhere<T> atLeast(A y) {
+        z = y;
+        compareType = CompareType.AT_LEAST;
+        return new QueryWhere<T>(query);
+    }
+
+    public QueryWhere<T> lessThan(A y) {
+        z = y;
+        compareType = CompareType.LESS_THAN;
+        return new QueryWhere<T>(query);
+    }
+
+    public QueryWhere<T> atMost(A y) {
+        z = y;
+        compareType = CompareType.AT_MOST;
+        return new QueryWhere<T>(query);
+    }
+
+    @SuppressWarnings("unchecked")
+    public <T> void appendSQL(SQLStatement stat, Query<T> query) {
+        stat.appendSQL("(");
+        switch (bitwiseType) {
+            case AND:
+                query.getDb().getDialect().prepareBitwiseAnd(stat, query, x, y);
+                break;
+            case XOR:
+                query.getDb().getDialect().prepareBitwiseXor(stat, query, x, y);
+                break;
+        }
+        stat.appendSQL(")");
+        stat.appendSQL(compareType.getString());
+        stat.appendSQL("" + z);
+    }
+}
diff --git a/src/main/java/com/iciql/Bitwise.java b/src/main/java/com/iciql/Bitwise.java
new file mode 100644
index 0000000..a2d1da5
--- /dev/null
+++ b/src/main/java/com/iciql/Bitwise.java
@@ -0,0 +1,31 @@
+/*
+ * Copyright 2017 James Moger.
+ *
+ * Licensed 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.
+ */
+
+package com.iciql;
+
+/**
+ * @author James Moger
+ */
+public interface Bitwise<A, T> {
+
+    QueryWhere<T> exceeds(A y);
+
+    QueryWhere<T> atLeast(A y);
+
+    QueryWhere<T> lessThan(A y);
+
+    QueryWhere<T> atMost(A y);
+}
diff --git a/src/main/java/com/iciql/QueryCondition.java b/src/main/java/com/iciql/QueryCondition.java
index 56de976..b7cb0d4 100644
--- a/src/main/java/com/iciql/QueryCondition.java
+++ b/src/main/java/com/iciql/QueryCondition.java
@@ -147,4 +147,17 @@ public class QueryCondition<T, A> {
         query.addConditionToken(new RuntimeParameter<A>(x, CompareType.LIKE));
         return new QueryWhere<T>(query);
     }
+
+    public Bitwise<A, T> bitAnd(A y) {
+        BitCondition<A, T> bitCondition = new BitCondition<A, T>(x, y, BitCondition.Bitwise.AND, query);
+        query.addConditionToken(bitCondition);
+        return bitCondition;
+    }
+
+    public Bitwise<A, T> bitXor(A y) {
+        BitCondition<A, T> bitCondition = new BitCondition<A, T>(x, y, BitCondition.Bitwise.XOR, query);
+        query.addConditionToken(bitCondition);
+        return bitCondition;
+    }
+
 }
diff --git a/src/main/java/com/iciql/SQLDialect.java b/src/main/java/com/iciql/SQLDialect.java
index 1cb4931..081b7e6 100644
--- a/src/main/java/com/iciql/SQLDialect.java
+++ b/src/main/java/com/iciql/SQLDialect.java
@@ -202,4 +202,8 @@ public interface SQLDialect {
      */
     String extractColumnName(String name);
 
+    <T, A> void prepareBitwiseAnd(SQLStatement stat, Query<T> query, A x, A y);
+
+    <T, A> void prepareBitwiseXor(SQLStatement stat, Query<T> query, A x, A y);
+
 }
diff --git a/src/main/java/com/iciql/SQLDialectDefault.java b/src/main/java/com/iciql/SQLDialectDefault.java
index 4f635a9..98f63c4 100644
--- a/src/main/java/com/iciql/SQLDialectDefault.java
+++ b/src/main/java/com/iciql/SQLDialectDefault.java
@@ -529,4 +529,18 @@ public class SQLDialectDefault implements SQLDialect {
         return o.toString();
     }
 
+    @Override
+    public <T, A> void prepareBitwiseAnd(SQLStatement stat, Query<T> query, A x, A y) {
+        query.appendSQL(stat, null, x);
+        stat.appendSQL(" & ");
+        query.appendSQL(stat, x, y);
+    }
+
+    @Override
+    public <T, A> void prepareBitwiseXor(SQLStatement stat, Query<T> query, A x, A y) {
+        query.appendSQL(stat, null, x);
+        stat.appendSQL(" ^ ");
+        query.appendSQL(stat, x, y);
+    }
+
 }
diff --git a/src/main/java/com/iciql/SQLDialectDerby.java b/src/main/java/com/iciql/SQLDialectDerby.java
index 77fc73e..fcaee1e 100644
--- a/src/main/java/com/iciql/SQLDialectDerby.java
+++ b/src/main/java/com/iciql/SQLDialectDerby.java
@@ -68,4 +68,15 @@ public class SQLDialectDerby extends SQLDialectDefault {
         stat.setSQL(buff.toString());
         return;
     }
+
+    @Override
+    public <T, A> void prepareBitwiseAnd(SQLStatement stat, Query<T> query, A x, A y) {
+        throw new IciqlException("{0} does not support bitwise operator AND", databaseName);
+    }
+
+    @Override
+    public <T, A> void prepareBitwiseXor(SQLStatement stat, Query<T> query, A x, A y) {
+        throw new IciqlException("{0} does not support bitwise operator XOR", databaseName);
+    }
+
 }
\ No newline at end of file
diff --git a/src/main/java/com/iciql/SQLDialectH2.java b/src/main/java/com/iciql/SQLDialectH2.java
index 12cc161..71c11a5 100644
--- a/src/main/java/com/iciql/SQLDialectH2.java
+++ b/src/main/java/com/iciql/SQLDialectH2.java
@@ -133,4 +133,23 @@ public class SQLDialectH2 extends SQLDialectDefault {
         buff.append(')');
         stat.setSQL(buff.toString());
     }
+
+    @Override
+    public <T, A> void prepareBitwiseAnd(SQLStatement stat, Query<T> query, A x, A y) {
+        stat.appendSQL("BITAND(");
+        query.appendSQL(stat, null, x);
+        stat.appendSQL(",");
+        query.appendSQL(stat, x, y);
+        stat.appendSQL(")");
+    }
+
+    @Override
+    public <T, A> void prepareBitwiseXor(SQLStatement stat, Query<T> query, A x, A y) {
+        stat.appendSQL("BITXOR(");
+        query.appendSQL(stat, null, x);
+        stat.appendSQL(",");
+        query.appendSQL(stat, x, y);
+        stat.appendSQL(")");
+    }
+
 }
\ No newline at end of file
diff --git a/src/main/java/com/iciql/SQLDialectHSQL.java b/src/main/java/com/iciql/SQLDialectHSQL.java
index 74a3dcc..43e6588 100644
--- a/src/main/java/com/iciql/SQLDialectHSQL.java
+++ b/src/main/java/com/iciql/SQLDialectHSQL.java
@@ -147,4 +147,23 @@ public class SQLDialectHSQL extends SQLDialectDefault {
         buff.append(')');
         stat.setSQL(buff.toString());
     }
+
+    @Override
+    public <T, A> void prepareBitwiseAnd(SQLStatement stat, Query<T> query, A x, A y) {
+        stat.appendSQL("BITAND(");
+        query.appendSQL(stat, null, x);
+        stat.appendSQL(",");
+        query.appendSQL(stat, x, y);
+        stat.appendSQL(")");
+    }
+
+    @Override
+    public <T, A> void prepareBitwiseXor(SQLStatement stat, Query<T> query, A x, A y) {
+        stat.appendSQL("BITXOR(");
+        query.appendSQL(stat, null, x);
+        stat.appendSQL(",");
+        query.appendSQL(stat, x, y);
+        stat.appendSQL(")");
+    }
+
 }
\ No newline at end of file
diff --git a/src/main/java/com/iciql/SQLDialectPostgreSQL.java b/src/main/java/com/iciql/SQLDialectPostgreSQL.java
index 97b92f8..103c480 100644
--- a/src/main/java/com/iciql/SQLDialectPostgreSQL.java
+++ b/src/main/java/com/iciql/SQLDialectPostgreSQL.java
@@ -158,4 +158,10 @@ public class SQLDialectPostgreSQL extends SQLDialectDefault {
         stat.setSQL(buff.toString());
     }
 
+    @Override
+    public <T, A> void prepareBitwiseXor(SQLStatement stat, Query<T> query, A x, A y) {
+        query.appendSQL(stat, null, x);
+        stat.appendSQL(" # ");
+        query.appendSQL(stat, x, y);
+    }
 }
\ No newline at end of file
diff --git a/src/main/java/com/iciql/SQLDialectSQLite.java b/src/main/java/com/iciql/SQLDialectSQLite.java
index b99bf96..35cd0f6 100644
--- a/src/main/java/com/iciql/SQLDialectSQLite.java
+++ b/src/main/java/com/iciql/SQLDialectSQLite.java
@@ -177,4 +177,9 @@ public class SQLDialectSQLite extends SQLDialectDefault {
         }
         return super.prepareStringParameter(o);
     }
+
+    @Override
+    public <T, A> void prepareBitwiseXor(SQLStatement stat, Query<T> query, A x, A y) {
+        throw new IciqlException("{0} does not support bitwise operator XOR", databaseName);
+    }
 }
-- 
cgit v1.2.3